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wastes</title> <meta name="description" content="Search results for: rust wastes"> <meta name="keywords" content="rust wastes"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="rust wastes"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 630</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: rust wastes</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">630</span> Synthesis of Iron-Based Perovskite Type Catalysts from Rust Wastes as a Source of Iron</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20P.%20Joshi">M. P. Joshi</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Deganello"> F. Deganello</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20F.%20Liotta"> L. F. Liotta</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20La%20Parola"> V. La Parola</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Pantaleo"> G. Pantaleo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For the first time, commercial iron nitrate was replaced by rust wastes, as a source of Iron for the preparation of LaFeO₃ powders by solution combustion synthesis (SCS). A detailed comparison with a reference powder obtained by SCS, starting from a commercial iron nitrate, was also performed. Several techniques such as X-ray diffraction combined with Rietveld refinement, mass plasma atomic emission spectroscopy, nitrogen adsorption measurements, temperature programmed reduction, X-ray photoelectron spectroscopy, Fourier transform analysis and scanning electron microscopy were used for the characterization of the rust wastes as well as of the perovskite powders. The performance of this ecofriendly material was evaluated by testing the activity and selectivity in the propylene oxidation, in order to use it for the benefit of the environment. Characterization and performance results clearly evidenced limitations and peculiarities of this new approach. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=perovskite%20type%20catalysts" title="perovskite type catalysts">perovskite type catalysts</a>, <a href="https://publications.waset.org/abstracts/search?q=solution%20combustion%20synthesis" title=" solution combustion synthesis"> solution combustion synthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=X-ray%20diffraction" title=" X-ray diffraction"> X-ray diffraction</a>, <a href="https://publications.waset.org/abstracts/search?q=rust%20wastes" title=" rust wastes"> rust wastes</a> </p> <a href="https://publications.waset.org/abstracts/76645/synthesis-of-iron-based-perovskite-type-catalysts-from-rust-wastes-as-a-source-of-iron" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76645.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">333</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">629</span> Reaction of Nine Candidate Wheat Lines/Mutants against Leaf Rust: Lodging and Aphid Population under Field Condition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Mohsan">Muhammad Mohsan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehboob%20Ur-Rahman"> Mehboob Ur-Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Sana%20Zulfiqar"> Sana Zulfiqar</a>, <a href="https://publications.waset.org/abstracts/search?q=Shumila%20Ashfaq"> Shumila Ashfaq</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Brown Rust (Puccinia triticina), also known as leaf rust, pose a serious threat to wheat cultivation in the world. Nine candidate wheat lines/mutants were subjected to rust inoculation, lodging and aphid population in vivo conditions. Four lines/mutants (E-284, E-505, 2008-6 MR and 2008-14MR) were found resistant to leaf rust attack. Two lines (PGMB 15-29 and 2011-1 MR) displayed moderately resistant reactions against the disease. Three lines/mutants were depicted as susceptible to leaf rust. The lowest population of aphids, i.e., 16.67, was observed on 2008-14MR. Three lines/mutants (NN1-47, NN1-89 and PGMB 15-29) were found under zero level of lodging. The presence and absence of different leaf rust-resistant genes like Lr13, Lr34, Lr46 and Lr67 were assessed with the help of molecular markers. All the wheat lines/mutants were found loaded with leaf rust-resistant genes such as Lr13 and Lr 34, while Lr46 and Lr67 were found in 66% of wheat lines/mutants. The resistant source can be exploited in the breeding program to develop rust, aphid and lodging with race-nonspecific resistant wheat variety. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wheat" title="wheat">wheat</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20rust" title=" leaf rust"> leaf rust</a>, <a href="https://publications.waset.org/abstracts/search?q=lodging" title=" lodging"> lodging</a>, <a href="https://publications.waset.org/abstracts/search?q=aphid" title=" aphid"> aphid</a> </p> <a href="https://publications.waset.org/abstracts/162424/reaction-of-nine-candidate-wheat-linesmutants-against-leaf-rust-lodging-and-aphid-population-under-field-condition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162424.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">89</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">628</span> Genetic Analysis of Rust Resistance Genes in Global Wheat</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aktar-Uz-Zaman">Aktar-Uz-Zaman</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Tuhina-Khatun"> M. Tuhina-Khatun</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Hanafi%20Musa"> Mohamed Hanafi Musa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Three rust diseases: leaf (brown) rust caused by Puccinia triticina Eriks, stripe (yellow) rust caused by Puccinia striiformis West, and stem (black) rust caused by Puccinia graminis f. sp. tritici are economically important diseases of wheat in world wide. Yield loss due to leaf rust is 40% in susceptible cultivars. Yield losses caused by the stem rust pathogens in the mid of 20 century reached 20-30% in Eastern and Central Europe and the most virulent stem rust race Ug99 emerged first in Uganda and after that in Kenya, Ethiopia, Yemen, in the Middle East and South Asia. Yield losses were estimated up to 100%, whereas, up to 80% have been reported in Kenya during 1999. In case of stripe rust, severity level has been recorded 60% - 70% as compared to 100% severity of susceptible check in disease screening nurseries in Kenya. Improvement of resistant varieties or cultivars is the sustainable, economical and environmentally friendly approaches for increasing the global wheat production to suppress the rust diseases. More than 68 leaf rust, 49 stripe rust and 53 stem rust resistance genes have been identified in the global wheat cultivars or varieties using different molecular breeding approaches. Among these, Lr1, Lr9, Lr10, Lr19, Lr21, Lr24, Lr25, Lr28, Lr29, Lr34, Lr35, Lr37, Lr39, Lr47, Lr51, Lr3bg, Lr18, Lr40, Lr46, and Lr50 leaf rust resistance genes have been identified by using molecular, enzymatic and microsatellite markers from African, Asian, European cultivars of hexaploid wheat (Triticum aestivum), durum wheat and diploid wheat species. These genes are located on 20, of the 21 chromosomes of hexaploid wheat. Similarly, Sr1, Sr2, Sr24, and Sr3, Sr31 stem rust resistance genes have been recognized from wheat cultivars of Pakistan, India, Kenya, and Uganda etc. A race of P. striiformis (stripe rust) Yr9, Yr18, and Yr29 was first observed in East Africa, Italy, Pakistan and India wheat cultivars. These stripe rust resistance genes are located on chromosomes 1BL, 4BL, 6AL, 3BS and 6BL in bread wheat cultivars. All these identified resistant genes could be used for notable improvement of susceptible wheat cultivars in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hexaploid%20wheat" title="hexaploid wheat">hexaploid wheat</a>, <a href="https://publications.waset.org/abstracts/search?q=resistance%20genes" title=" resistance genes"> resistance genes</a>, <a href="https://publications.waset.org/abstracts/search?q=rust%20disease" title=" rust disease"> rust disease</a>, <a href="https://publications.waset.org/abstracts/search?q=triticum%20aestivum" title=" triticum aestivum"> triticum aestivum</a> </p> <a href="https://publications.waset.org/abstracts/36183/genetic-analysis-of-rust-resistance-genes-in-global-wheat" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36183.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">483</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">627</span> Resistance Evaluation of Common Wheat Varieties/Lines to Leaf Rust and Stripe Rust at Seedling and Adult-Plant Stage in China, Gansu Province</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shelin%20Jin">Shelin Jin</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin%20Huang"> Jin Huang</a>, <a href="https://publications.waset.org/abstracts/search?q=Shiqin%20Cao"> Shiqin Cao</a>, <a href="https://publications.waset.org/abstracts/search?q=Qiuzhen%20Jia"> Qiuzhen Jia</a>, <a href="https://publications.waset.org/abstracts/search?q=Bo%20Zhang"> Bo Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhenyu%20Sun"> Zhenyu Sun</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Stripe rust and leaf rust, caused by Puccinia striiformis f.sp. tritici and Puccinia recondita f.sp. tritici are two of the most damaging diseases of wheat in China. In recent years, leaf rust has migrated to some wheat growing areas previously suitable for stripe rust, resulting in a mixture of the two diseases occurring in the same area and at the same time, and seriously damage wheat production in China, Gansu Province. The most effective method of prevention those two diseases are through the use of resistant cultivars. However, many studies have only carried out of resistance of wheat varieties for a single disease; resistance to both diseases is unknown. In order to definite the resistance composition of wheat varieties to these two diseases, 715 wheat varieties/lines from 8 breeding units in Gansu province were collected to test for the resistance to stripe rust and leaf rust at seedling stage in greenhouse and at adult plant stage in field in 2016-2018, respectively. Spore suspensions with the fresh mixture races of CYR32, CYR33, and CYR34 of Puccinia striiformis f.sp. tritici and mixture races of THTP, THTT, TKTT, and THTS of Puccinia recondita f.sp. tritici were used for inoculation separately. The result shows that only 4.74% of the varieties/lines show comprehensive resistance to strip rust and leaf rust at all growth stages, and there are 34 wheat varieties/lines including Tianxuan 67, 2006-1-4-1-4-2-7-2-3-10, 03-139-1-2-2-1-2-1, Qingnong 21, Lenghan 5, 04-203-1-1-1 and so on. In seedling stage, the frequencies of resistant varieties/lines to wheat strip rust and leaf rust were 56.64% and 30.23%. While the materials were susceptible to these diseases were 43.36% and 69.77%. 71 varieties/lines were resistant to those two diseases, accounted for 9.93%. 10 varieties/lines, accounted for 1.4%, were highly resistant (including immune/near immune) to those two diseases. In adult-plant stage, the frequencies of resistant varieties/lines to wheat strip rust and leaf rust were 76.53% and 36.11%. While the materials were susceptible to these diseases were 23.47% and 63.89%. 137 varieties/lines were resistant to those two diseases, accounted for 19.16%. 59 varieties/lines, accounted for 8.25%, were highly resistant (including immune/near immune) to those two diseases. Overall, the 715 varieties /lines had high resistance to wheat strip rust, but poor resistance to leaf rust. This study found out some resistant materials which had better comprehensive resistance to leaf rust and strip rust, also pointed out the resistance characteristics of 715 varieties/lines to those two diseases at the seedling stage and adult-plant stage, which will be of great guiding significance in wheat resistance breeding and comprehensive control those two diseases in China, Gansu Province in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Puccinia%20striiformis%20f.sp.%20tritici" title="Puccinia striiformis f.sp. tritici">Puccinia striiformis f.sp. tritici</a>, <a href="https://publications.waset.org/abstracts/search?q=Puccinia%20recondita%20f.sp.%20tritici" title=" Puccinia recondita f.sp. tritici"> Puccinia recondita f.sp. tritici</a>, <a href="https://publications.waset.org/abstracts/search?q=resistance%20of%20variety" title=" resistance of variety"> resistance of variety</a>, <a href="https://publications.waset.org/abstracts/search?q=wheat" title=" wheat"> wheat</a> </p> <a href="https://publications.waset.org/abstracts/107461/resistance-evaluation-of-common-wheat-varietieslines-to-leaf-rust-and-stripe-rust-at-seedling-and-adult-plant-stage-in-china-gansu-province" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107461.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">118</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">626</span> Steel Bridge Coating Inspection Using Image Processing with Neural Network Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Elbeheri">Ahmed Elbeheri</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarek%20Zayed"> Tarek Zayed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Steel bridges deterioration has been one of the problems in North America for the last years. Steel bridges deterioration mainly attributed to the difficult weather conditions. Steel bridges suffer fatigue cracks and corrosion, which necessitate immediate inspection. Visual inspection is the most common technique for steel bridges inspection, but it depends on the inspector experience, conditions, and work environment. So many Non-destructive Evaluation (NDE) models have been developed use Non-destructive technologies to be more accurate, reliable and non-human dependent. Non-destructive techniques such as The Eddy Current Method, The Radiographic Method (RT), Ultra-Sonic Method (UT), Infra-red thermography and Laser technology have been used. Digital Image processing will be used for Corrosion detection as an Alternative for visual inspection. Different models had used grey-level and colored digital image for processing. However, color image proved to be better as it uses the color of the rust to distinguish it from the different backgrounds. The detection of the rust is an important process as it’s the first warning for the corrosion and a sign of coating erosion. To decide which is the steel element to be repainted and how urgent it is the percentage of rust should be calculated. In this paper, an image processing approach will be developed to detect corrosion and its severity. Two models were developed 1st to detect rust and 2nd to detect rust percentage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=steel%20bridge" title="steel bridge">steel bridge</a>, <a href="https://publications.waset.org/abstracts/search?q=bridge%20inspection" title=" bridge inspection"> bridge inspection</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20corrosion" title=" steel corrosion"> steel corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20processing" title=" image processing"> image processing</a> </p> <a href="https://publications.waset.org/abstracts/83264/steel-bridge-coating-inspection-using-image-processing-with-neural-network-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83264.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">306</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">625</span> The Effects of Agricultural Waste Compost Applications on Soil Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ilker%20S%C3%B6nmez">Ilker Sönmez</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Kaplan"> Mustafa Kaplan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The wastes that come out as a result of agricultural productions are disposed randomly and always by burning. Agricultural wastes have a great volume and agricultural wastes cause environmental pollution. Spent mushroom compost and cut flower carnation wastes have a serious potential in Turkey and especially in Antalya. One of the best evaluation methods of agricultural wastes is composting methods and so agricultural wastes transformed for a new product. In this study, agricultural wastes were evaluated the effects of compost and organic material on soil pH, EC, soil organic matter, and macro-micro nutrient contents of soil that it growth carnation. The effects of compost applications on soils were found to be statistically significant. Organic material applications have caused an increase in all physical and chemical parameters except for pH that pH decreased with compost added in soils. The best results among the compost applications were determined R1 compost that R1 compost included %75 Carnation Wastes + %25 Spent Mushroom Compost. The structural properties of soils can be improved with reusing of agricultural wastes by composting so it can be provided that decreasing the harmful effects of organic wastes on the environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agricultural%20wastes" title="agricultural wastes">agricultural wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=carnation%20wastes" title=" carnation wastes"> carnation wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=composting" title=" composting"> composting</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20material" title=" organic material"> organic material</a>, <a href="https://publications.waset.org/abstracts/search?q=spent%20mushroom%20compost" title=" spent mushroom compost"> spent mushroom compost</a> </p> <a href="https://publications.waset.org/abstracts/28976/the-effects-of-agricultural-waste-compost-applications-on-soil-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28976.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">384</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">624</span> A Review on the Usage of Ceramic Wastes in Concrete Production</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=O.%20Zimbili">O. Zimbili</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20Salim"> W. Salim</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Ndambuki"> M. Ndambuki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Construction and Demolition (C&D) wastes contribute the highest percentage of wastes worldwide (75%). Furthermore, ceramic materials contribute the highest percentage of wastes within the C&D wastes (54%). The current option for disposal of ceramic wastes is landfill. This is due to unavailability of standards, avoidance of risk, lack of knowledge and experience in using ceramic wastes in construction. The ability of ceramic wastes to act as a pozzolanic material in the production of cement has been effectively explored. The results proved that temperatures used in the manufacturing of these tiles (about 900 ⁰C) are sufficient to activate pozzolanic properties of clay. They also showed that, after optimization (11-14% substitution), the cement blend performs better, with no morphological differences between the cement blended with ceramic waste, and that blended with other pozzolanic materials. Sanitary ware and electrical insulator porcelain wastes are some wastes investigated for usage as aggregates in concrete production. When optimized, both produced good results, better than when natural aggregates are used. However, the research on ceramic wastes as partial substitute for fine aggregates or cement has not been overly exploited as the other areas. This review has been concluded with focus on investigating whether ceramic wall tile wastes used as partial substitute for cement and fine aggregates could prove to be beneficial since the two materials are the most high-priced during concrete production. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blended" title="blended">blended</a>, <a href="https://publications.waset.org/abstracts/search?q=morphological" title=" morphological"> morphological</a>, <a href="https://publications.waset.org/abstracts/search?q=pozzolanic" title=" pozzolanic"> pozzolanic</a>, <a href="https://publications.waset.org/abstracts/search?q=waste" title=" waste "> waste </a> </p> <a href="https://publications.waset.org/abstracts/2534/a-review-on-the-usage-of-ceramic-wastes-in-concrete-production" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2534.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">367</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">623</span> Unequal Contributions of Parental Isolates in Somatic Recombination of the Stripe Rust Fungus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Xianming%20Chen">Xianming Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu%20Lei"> Yu Lei</a>, <a href="https://publications.waset.org/abstracts/search?q=Meinan%20Wang"> Meinan Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The dikaryotic basidiomycete fungus, Puccinia striiformis, causes stripe rust, one of the most important diseases of wheat and barley worldwide. The pathogen is largely reproduced asexually, and asexual recombination has been hypothesized to be one of the mechanisms for the pathogen variations. To test the hypothesis and understand the genetic process of asexual recombination, somatic recombinant isolates were obtained under controlled conditions by inoculating susceptible host plants with a mixture of equal quantity of urediniospores of isolates with different virulence patterns and selecting through a series of inoculation on host plants with different genes for resistance to one of the parental isolates. The potential recombinant isolates were phenotypically characterized by virulence testing on the set of 18 wheat lines used to differentiate races of the wheat stripe rust pathogen, P. striiformis f. sp. tritici (Pst), for the combinations of Pst isolates; or on both sets of the wheat differentials and 12 barley differentials for identifying races of the barley stripe rust pathogen, P. striiformis f. sp. hordei (Psh) for combinations of a Pst isolate and a Psh isolate. The progeny and parental isolates were also genotypically characterized with 51 simple sequence repeat and 90 single-nucleotide polymorphism markers. From nine combinations of parental isolates, 68 potential recombinant isolates were obtained, of which 33 (48.5%) had similar virulence patterns to one of the parental isolates, and 35 (51.5%) had virulence patterns distinct from either of the parental isolates. Of the 35 isolates of distinct virulence patterns, 11 were identified as races that had been previously detected from natural collections and 24 were identified as new races. The molecular marker data confirmed 66 of the 68 isolates as recombinants. The percentages of parental marker alleles ranged from 0.9% to 98.9% and were significantly different from equal proportions in the recombinant isolates. Except for a couple of combinations, the greater or less contribution was not specific to any particular parental isolates as the same parental isolates contributed more to some of the progeny isolates but less to the other progeny isolates in the same combination. The unequal contributions by parental isolates appear to be a general role in somatic recombination for the stripe rust fungus, which may be used to distinguish asexual recombination from sexual recombination in studying the evolutionary mechanisms of the highly variable fungal pathogen. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=molecular%20markers" title="molecular markers">molecular markers</a>, <a href="https://publications.waset.org/abstracts/search?q=Puccinia%20striiformis" title=" Puccinia striiformis"> Puccinia striiformis</a>, <a href="https://publications.waset.org/abstracts/search?q=somatic%20recombination" title=" somatic recombination"> somatic recombination</a>, <a href="https://publications.waset.org/abstracts/search?q=stripe%20rust" title=" stripe rust "> stripe rust </a> </p> <a href="https://publications.waset.org/abstracts/62774/unequal-contributions-of-parental-isolates-in-somatic-recombination-of-the-stripe-rust-fungus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62774.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">243</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">622</span> Wastes of Oil Drilling: Treatment Techniques and Their Effectiveness</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abbas%20Hadj%20Abbas">Abbas Hadj Abbas</a>, <a href="https://publications.waset.org/abstracts/search?q=Hacini%20%20Massaoud"> Hacini Massaoud</a>, <a href="https://publications.waset.org/abstracts/search?q=Aiad%20Lahcen"> Aiad Lahcen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Hassi-Messoud’s oil industry, the systems which are water based (WBM) are generally used for drilling in the first phase. For the rest of the well, the oil mud systems are employed (OBM). In the field of oil exploration, panoply of chemical products is employed in the drilling fluids formulation. These components of different natures and whose toxicity and biodegradability are of ill-defined parameters are; however, thrown into nature. In addition to the hydrocarbon (HC, such as diesel) which is a major constituent of oil based mud, we also can notice spills as well as a variety of other products and additives on the drilling sites. These wastes are usually stored in places called (crud wastes). These may cause major problems to the ecosystem. To treat these wastes, we have considered two methods which are: solidification/ stabilization (chemical) and thermal. So that we can evaluate the techniques of treatment, a series of analyses are performed on dozens of specimens of wastes before treatment. After that, and on the basis of our analyses of wastes, we opted for diagnostic treatments of pollution before and after solidification and stabilization. Finally, we have done some analyses before and after the thermal treatment to check the efficiency of the methods followed in the study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wastes%20treatment" title="wastes treatment">wastes treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20oil%20pollution" title=" the oil pollution"> the oil pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20norms" title=" the norms"> the norms</a>, <a href="https://publications.waset.org/abstracts/search?q=wastes%20drilling" title=" wastes drilling"> wastes drilling</a> </p> <a href="https://publications.waset.org/abstracts/52890/wastes-of-oil-drilling-treatment-techniques-and-their-effectiveness" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52890.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">294</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">621</span> Aflatoxin Contamination of Abattoir Wastes in Ogun State, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20F.%20Gbadebo">A. F. Gbadebo</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20O.%20Atanda"> O. O. Atanda</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20C.%20Adetunji"> M. C. Adetunji</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study investigated the level of aflatoxin contamination of abattoir wastes in Ogun State, Nigeria, due to continued complaints of poor hygiene of abattoir centers in the states as a result of improper disposal of abattoir wastes. Wastes from the three senatorial districts of the state were evaluated for their levels of aflatoxin contamination. The moisture content, total plate count, fungal counts, percentage frequency of fungal occurrence as well as the level of aflatoxin contamination of the abattoir wastes were determined by standard methods. The moisture content of the wastes ranged between 79.10-87.46 %, total plate count from 1.37-3.27×10³cfu/ml, and fungal counts from 2.73-3.30×10²cfu/ml. Four fungal species: Aspergillus niger, Aspergillus flavus, Aspergillus ochraceus, and Penicillium citrinum were isolated from the wastes, with Aspergillus flavus having the highest percentage frequency of occurrence of 29.76%. The aflatoxin content of the samples was found to range between 3.20-4.80 µg/kg. These findings showed that abattoir wastes from Ogun State are contaminated with aflatoxins and pose a health risk to humans and animals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=abattoir%20wastes" title="abattoir wastes">abattoir wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=aflatoxin" title=" aflatoxin"> aflatoxin</a>, <a href="https://publications.waset.org/abstracts/search?q=microbial%20load" title=" microbial load"> microbial load</a>, <a href="https://publications.waset.org/abstracts/search?q=Ogun%20state" title=" Ogun state"> Ogun state</a> </p> <a href="https://publications.waset.org/abstracts/156770/aflatoxin-contamination-of-abattoir-wastes-in-ogun-state-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156770.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">137</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">620</span> Agricultural Solid Wastes Generation in Nigeria and Their Recycling Potentials into Building Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Usman%20Aliyu%20Jalam">Usman Aliyu Jalam</a>, <a href="https://publications.waset.org/abstracts/search?q=Shuaibu%20Alolo%20Sumaila"> Shuaibu Alolo Sumaila</a>, <a href="https://publications.waset.org/abstracts/search?q=Sa%E2%80%99adiya%20Iliyasu%20Muhammed"> Sa’adiya Iliyasu Muhammed </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Modern building industry lays much emphasis on sophisticated materials that have high embodied energy with intrinsic distinctiveness for damaging the environment. But today, advances in solid waste management have resulted in alternative building materials as partial or complete replacement of the conventional materials like cement, aggregate etc particularly for low cost housing. Investigations carried out revealed that an estimated 18.0 million tonnes of agricultural solid wastes are being generated in Nigeria annually. This constitutes a problem not only to the natural environment but also to the built environment more particularly with the way the wastes are being dispose of. The paper has discussed the present status on the generation and utilisation of agricultural solid wastes, their recycling potentials and environmental implications. It further discovered that although considerable quantity of these wastes were found to have the potentials of being recycled as building materials, the availability of the appropriate technology remains a big challenge in the country. Moreover, majority of the wastes type have gained popularity as fuel. As such, the economic and environmental benefits of recycling the wastes and the use of the wastes as fuel need further investigation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agricultural%20waste" title="agricultural waste">agricultural waste</a>, <a href="https://publications.waset.org/abstracts/search?q=building" title=" building"> building</a>, <a href="https://publications.waset.org/abstracts/search?q=environment" title=" environment"> environment</a>, <a href="https://publications.waset.org/abstracts/search?q=materials" title=" materials"> materials</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigeria" title=" Nigeria"> Nigeria</a> </p> <a href="https://publications.waset.org/abstracts/6662/agricultural-solid-wastes-generation-in-nigeria-and-their-recycling-potentials-into-building-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6662.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">401</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">619</span> Research on Eco-Sustainable Recycling of Industrial Wastes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liliana%20Cr%C4%83c">Liliana Crăc</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolae%20Giorgi"> Nicolae Giorgi</a>, <a href="https://publications.waset.org/abstracts/search?q=Gheorghe%20Fometescu"> Gheorghe Fometescu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Romania, billions of tonnes of wastes are generated yearly, an important amount being stored within industrial dumps that covers high soil areas and affects the environment quality, especially of ground and surface waters. Landfill represents in Romania the most important way for wastes removal, over 75% being generated every year, the costs with the dumps construction being considerable. In most of the cases, the wastes generated mainly by the energy industry, oil exploitation and metallurgy, are still considered wastes with NO-use, and their removal and neutralization represent for transport, handling and storing, high non-productive expenses which raise the cost of the useful products obtained. The paper presents a recycling idea of three types of wastes in order to use them for building materials manufacturing, by promoting ECOWASTES LIFE+ project, whose aim is to demonstrate that the recycling of waste from energy industry (coal combustion waste), petroleum extraction (drilling mud) and metallurgy (steelmaking slag) is technically feasible. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fly%20ash" title="fly ash">fly ash</a>, <a href="https://publications.waset.org/abstracts/search?q=drilled%20solid%20wastes" title=" drilled solid wastes"> drilled solid wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=metallurgical%20slag" title=" metallurgical slag"> metallurgical slag</a>, <a href="https://publications.waset.org/abstracts/search?q=recycling" title=" recycling"> recycling</a>, <a href="https://publications.waset.org/abstracts/search?q=building%20materials" title=" building materials"> building materials</a> </p> <a href="https://publications.waset.org/abstracts/15190/research-on-eco-sustainable-recycling-of-industrial-wastes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15190.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">312</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">618</span> Estimation of Desktop E-Wastes in Delhi Using Multivariate Flow Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sumay%20Bhojwani">Sumay Bhojwani</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashutosh%20Chandra"> Ashutosh Chandra</a>, <a href="https://publications.waset.org/abstracts/search?q=Mamita%20Devaburman"> Mamita Devaburman</a>, <a href="https://publications.waset.org/abstracts/search?q=Akriti%20Bhogal"> Akriti Bhogal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article uses the Material flow analysis for estimating e-wastes in the Delhi/NCR region. The Material flow analysis is based on sales data obtained from various sources. Much of the data available for the sales is unreliable because of the existence of a huge informal sector. The informal sector in India accounts for more than 90%. Therefore, the scope of this study is only limited to the formal one. Also, for projection of the sales data till 2030, we have used regression (linear) to avoid complexity. The actual sales in the years following 2015 may vary non-linearly but we have assumed a basic linear relation. The purpose of this study was to know an approximate quantity of desktop e-wastes that we will have by the year 2030 so that we start preparing ourselves for the ineluctable investment in the treatment of these ever-rising e-wastes. The results of this study can be used to install a treatment plant for e-wastes in Delhi. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=e-wastes" title="e-wastes">e-wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=Delhi" title=" Delhi"> Delhi</a>, <a href="https://publications.waset.org/abstracts/search?q=desktops" title=" desktops"> desktops</a>, <a href="https://publications.waset.org/abstracts/search?q=estimation" title=" estimation"> estimation</a> </p> <a href="https://publications.waset.org/abstracts/37549/estimation-of-desktop-e-wastes-in-delhi-using-multivariate-flow-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37549.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">259</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">617</span> Characterization of Coastal Solid Waste: Basis for the Development of Waste Collector</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arnold%20I.%20Malag">Arnold I. Malag</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study wants to establish the data on the characteristics of coastal solid waste in main Island of Masbate as a model for technology interventions. The research utilized the Google Maps to measure the coastal length and Fishbowl Method for area identification. The solid wastes gathered were classified as residual, non-biodegradable, recyclable wastes, and special wastes, based on the waste analysis and characterization manual of Philippine Environmental Governance Project. The wastes were evaluated by weight in kg., dimension in cm., and characteristics as floating or non-floating. Based on the dimension of coastal solid waste, the biodegradable, recyclable, residual and special waste have the average of 40.95 cm., 16.25 cm., 31.37 cm., and 0.725cm. respectively. The waste in the coastal areas is dominated by biodegradable, followed by residual, then recyclable and special wastes with the data of 0.566 kg/m, 0.533 kg/m, 0.114 kg/m and .0007 kg/m respectively. The 97.15% of solid wastes collected is characterized as “floating”, where in the sources are the nearest rivers and waterways and/or the nearest populated areas adjacent to the island. This accumulation of solid wastes can be minimized and controlled by utilizing a floating equipment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=solid%20waste" title="solid waste">solid waste</a>, <a href="https://publications.waset.org/abstracts/search?q=coastal%20waste" title=" coastal waste"> coastal waste</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20characterization" title=" waste characterization"> waste characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20collector" title=" waste collector"> waste collector</a> </p> <a href="https://publications.waset.org/abstracts/161892/characterization-of-coastal-solid-waste-basis-for-the-development-of-waste-collector" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161892.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">83</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">616</span> Legal Regulation and Critical Analysis for an Effectively Treatment of Pharmaceutical Waste </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Merita%20Dauti">Merita Dauti</a>, <a href="https://publications.waset.org/abstracts/search?q=Edita%20Alili-Idrizi"> Edita Alili-Idrizi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sihana%20Ahmeti%20%E2%80%93Lika"> Sihana Ahmeti –Lika</a>, <a href="https://publications.waset.org/abstracts/search?q=Ledjan%20Malaj"> Ledjan Malaj </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The extermination and proper disposal of pharmaceutical wastes from expired and unused medications remains a disputable issue due to their specific nature and characteristics. Even though the hazards from these wastes are already well known in terms of environment and human health, people still treat them as usual wastes. At a national level, in many countries the management of pharmaceutical and medical wastes has been one of the main objectives in order to protect people’s health and the environment. Even though many legal regulations exist in this respect, there has not been a single law that would clearly explain the procedures of returning medicines, ways of selection, treatment and extermination of pharmaceutical wastes. This paper aims at analyzing the practices of pharmaceutical waste management and treatment in some European countries as well as a review of the legislation and official guidelines in managing these kinds of wastes and protecting the environment and human health. A suitable treatment and management of expired medications and other similar wastes would be in the interest of public health in the first place, as well as in the interest of healthcare institutions and other bodies engaged in environment protection. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pharmaceutical%20waste" title="pharmaceutical waste">pharmaceutical waste</a>, <a href="https://publications.waset.org/abstracts/search?q=legal%20regulation" title=" legal regulation"> legal regulation</a>, <a href="https://publications.waset.org/abstracts/search?q=proper%20disposal" title=" proper disposal"> proper disposal</a>, <a href="https://publications.waset.org/abstracts/search?q=environment%20pollution" title=" environment pollution"> environment pollution</a> </p> <a href="https://publications.waset.org/abstracts/10453/legal-regulation-and-critical-analysis-for-an-effectively-treatment-of-pharmaceutical-waste" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10453.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">333</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">615</span> 3D Modeling of Tunis Soft Soil Settlement Reinforced with Plastic Wastes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aya%20Rezgui">Aya Rezgui</a>, <a href="https://publications.waset.org/abstracts/search?q=Lasaad%20Ajam"> Lasaad Ajam</a>, <a href="https://publications.waset.org/abstracts/search?q=Belgacem%20Jalleli"> Belgacem Jalleli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Tunis soft soils present a difficult challenge as construction sites and for Geotechnical works. Currently, different techniques are used to improve such soil properties taking into account the environmental considerations. One of the recent methods is involving plastic wastes as a reinforcing materials. The present study pertains to the development of a numerical model for predicting the behavior of Tunis Soft soil (TSS) improved with recycled Monobloc chair wastes.3D numerical models for unreinforced TSS and reinforced TSS aims to evaluate settlement reduction and the values of consolidation times in oedometer conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tunis%20soft%20soil" title="Tunis soft soil">Tunis soft soil</a>, <a href="https://publications.waset.org/abstracts/search?q=settlement" title=" settlement"> settlement</a>, <a href="https://publications.waset.org/abstracts/search?q=plastic%20wastes" title=" plastic wastes"> plastic wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=finte%20-difference" title=" finte -difference"> finte -difference</a>, <a href="https://publications.waset.org/abstracts/search?q=FLAC3D%20modeling" title=" FLAC3D modeling"> FLAC3D modeling</a> </p> <a href="https://publications.waset.org/abstracts/146070/3d-modeling-of-tunis-soft-soil-settlement-reinforced-with-plastic-wastes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146070.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">135</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">614</span> Lagrangian Approach for Modeling Marine Litter Transport</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sarra%20Zaied">Sarra Zaied</a>, <a href="https://publications.waset.org/abstracts/search?q=Arthur%20Bonpain"> Arthur Bonpain</a>, <a href="https://publications.waset.org/abstracts/search?q=Pierre%20Yves%20Fravallo"> Pierre Yves Fravallo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The permanent supply of marine litter implies their accumulation in the oceans, which causes the presence of more compact wastes layers. Their Spatio-temporal distribution is never homogeneous and depends mainly on the hydrodynamic characteristics of the environment and the size and location of the wastes. As part of optimizing collect of marine plastic wastes, it is important to measure and monitor their evolution over time. For this, many research studies have been dedicated to describing the wastes behavior in order to identify their accumulation in oceans areas. Several models are therefore developed to understand the mechanisms that allow the accumulation and the displacements of marine litter. These models are able to accurately simulate the drift of wastes to study their behavior and stranding. However, these works aim to study the wastes behavior over a long period of time and not at the time of waste collection. This work investigates the transport of floating marine litter (FML) to provide basic information that can help in optimizing wastes collection by proposing a model for predicting their behavior during collection. The proposed study is based on a Lagrangian modeling approach that uses the main factors influencing the dynamics of the waste. The performance of the proposed method was assessed on real data collected from the Copernicus Marine Environment Monitoring Service (CMEMS). Evaluation results in the Java Sea (Indonesia) prove that the proposed model can effectively predict the position and the velocity of marine wastes during collection. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=floating%20marine%20litter" title="floating marine litter">floating marine litter</a>, <a href="https://publications.waset.org/abstracts/search?q=lagrangian%20transport" title=" lagrangian transport"> lagrangian transport</a>, <a href="https://publications.waset.org/abstracts/search?q=particle-tracking%20model" title=" particle-tracking model"> particle-tracking model</a>, <a href="https://publications.waset.org/abstracts/search?q=wastes%20drift" title=" wastes drift"> wastes drift</a> </p> <a href="https://publications.waset.org/abstracts/139690/lagrangian-approach-for-modeling-marine-litter-transport" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139690.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">192</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">613</span> Corrosion Monitoring of Weathering Steel in a Simulated Coastal-Industrial Environment </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thee%20Chowwanonthapunya">Thee Chowwanonthapunya</a>, <a href="https://publications.waset.org/abstracts/search?q=Junhua%20Dong"> Junhua Dong</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei%20Ke"> Wei Ke</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The atmospheres in many cities along the coastal lines in the world have been rapidly changed to coastal-industrial atmosphere. Hence, it is vital to investigate the corrosion behavior of steel exposed to this kind of environment. In this present study, Electrochemical Impedance Spectrography (EIS) and film thickness measurements were applied to monitor the corrosion behavior of weathering steel covered with a thin layer of the electrolyte in a wet-dry cyclic condition, simulating a coastal-industrial environment at 25 oC and 60 % RH. The results indicate that in all cycles, the corrosion rate increases during the drying process due to an increase in anion concentration and an acceleration of oxygen diffusion enhanced by the effect of the thinning out of the electrolyte. During the wet-dry cyclic corrosion test, the long-term corrosion behavior of this steel depends on the periods of exposure. Corrosion process is first accelerated and then decelerated. The decelerating corrosion process is contributed to the formation of the protective rust, favored by the wet-dry cycle and the acid regeneration process during the rusting process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=atmospheric%20corrosion" title="atmospheric corrosion">atmospheric corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=EIS" title=" EIS"> EIS</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20alloy" title=" low alloy"> low alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=rust" title=" rust "> rust </a> </p> <a href="https://publications.waset.org/abstracts/24922/corrosion-monitoring-of-weathering-steel-in-a-simulated-coastal-industrial-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24922.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">449</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">612</span> Physicochemical Characterization of Waste from Vegetal Extracts Industry for Use as Briquettes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ma%C3%ADra%20O.%20Palm">Maíra O. Palm</a>, <a href="https://publications.waset.org/abstracts/search?q=Cintia%20Marangoni"> Cintia Marangoni</a>, <a href="https://publications.waset.org/abstracts/search?q=Ozair%20Souza"> Ozair Souza</a>, <a href="https://publications.waset.org/abstracts/search?q=Noeli%20Sellin"> Noeli Sellin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wastes from a vegetal extracts industry (cocoa, oak, Guarana and mate) were characterized by particle size, proximate and ultimate analysis, lignocellulosic fractions, high heating value, thermal analysis (Thermogravimetric analysis – TGA, and Differential thermal analysis - DTA) and energy density to evaluate their potential as biomass in the form of briquettes for power generation. All wastes presented adequate particle sizes to briquettes production. The wastes showed high moisture content, requiring previous drying for use as briquettes. Cocoa and oak wastes had the highest volatile matter contents with maximum mass loss at 310 ºC and 450 ºC, respectively. The solvents used in the aroma extraction process influenced in the moisture content of the wastes, which was higher for mate due to water has been used as solvent. All wastes showed an insignificant loss mass after 565 °C, hence resulting in low ash content. High carbon and hydrogen contents and low sulfur and nitrogen contents were observed ensuring a low generation of sulfur and nitrous oxides. Mate and cocoa exhibited the highest carbon and lignin content, and high heating value. The dried wastes had high heating value, from 17.1 MJ/kg to 20.8 MJ/kg. The results indicate the energy potential of wastes for use as fuel in power generation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agro-industrial%20waste" title="agro-industrial waste">agro-industrial waste</a>, <a href="https://publications.waset.org/abstracts/search?q=biomass" title=" biomass"> biomass</a>, <a href="https://publications.waset.org/abstracts/search?q=briquettes" title=" briquettes"> briquettes</a>, <a href="https://publications.waset.org/abstracts/search?q=combustion" title=" combustion"> combustion</a> </p> <a href="https://publications.waset.org/abstracts/73017/physicochemical-characterization-of-waste-from-vegetal-extracts-industry-for-use-as-briquettes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73017.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">207</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">611</span> A Multi-Objective Methodology for Selecting Lean Initiatives in Modular Construction Companies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saba%20Shams%20Bidhendi">Saba Shams Bidhendi</a>, <a href="https://publications.waset.org/abstracts/search?q=Steven%20Goh"> Steven Goh</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrew%20Wandel"> Andrew Wandel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The implementation of lean manufacturing initiatives has produced significant impacts in improving operational performance and reducing manufacturing wastes in the production process. However, selecting an appropriate set of lean strategies is critical to avoid misapplication of the lean manufacturing techniques and consequential increase in non-value-adding activities. To the author’s best knowledge, there is currently no methodology to select lean strategies that considers their impacts on manufacturing wastes and performance metrics simultaneously. In this research, a multi-objective methodology is proposed that suggests an appropriate set of lean initiatives based on their impacts on performance metrics and manufacturing wastes and within manufacturers’ resource limitation. The proposed methodology in this research suggests the best set of lean initiatives for implementation that have highest impacts on identified critical performance metrics and manufacturing wastes. Therefore, manufacturers can assure that implementing suggested lean tools improves their production performance and reduces manufacturing wastes at the same time. A case study was conducted to show the effectiveness and validate the proposed model and methodologies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lean%20manufacturing" title="lean manufacturing">lean manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=lean%20strategies" title=" lean strategies"> lean strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=manufacturing%20wastes" title=" manufacturing wastes"> manufacturing wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=manufacturing%20performance" title=" manufacturing performance"> manufacturing performance</a>, <a href="https://publications.waset.org/abstracts/search?q=optimisation" title=" optimisation"> optimisation</a>, <a href="https://publications.waset.org/abstracts/search?q=decision%20making" title=" decision making"> decision making</a> </p> <a href="https://publications.waset.org/abstracts/97420/a-multi-objective-methodology-for-selecting-lean-initiatives-in-modular-construction-companies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97420.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">193</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">610</span> Using Construction Wastes and Recyclable Materials in Sustainable Concrete Manufacture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20T.%20El-Hawary">Mohamed T. El-Hawary</a>, <a href="https://publications.waset.org/abstracts/search?q=Carsten%20Koenke"> Carsten Koenke</a>, <a href="https://publications.waset.org/abstracts/search?q=Amr%20M.%20El-Nemr"> Amr M. El-Nemr</a>, <a href="https://publications.waset.org/abstracts/search?q=Nagy%20F.%20Hanna"> Nagy F. Hanna</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sustainable construction materials using solid construction wastes are of great environmental and economic significance. Construction wastes, demolishing wastes, and wastes coming out from the preparation of traditional materials could be used in sustainable concrete manufacture, which is the main scope of this paper. Ceramics, clay bricks, marble, recycled concrete, and many other materials should be tested and validated for use in the manufacture of green concrete. Introducing waste materials in concrete helps in reducing the required landfills, leaving more space for land investments, and decrease the environmental impact of the concrete buildings industry in both stages -construction and demolition-. In this paper, marble aggregate is used as a replacement for the natural aggregate in sustainable green concrete production. The results showed that marble aggregates can be used as a full replacement for the natural aggregates in eco-friendly green concrete. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coarse%20aggregate%20replacement" title="coarse aggregate replacement">coarse aggregate replacement</a>, <a href="https://publications.waset.org/abstracts/search?q=economical%20designs" title=" economical designs"> economical designs</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20concrete" title=" green concrete"> green concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=marble%20aggregates" title=" marble aggregates"> marble aggregates</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20management" title=" waste management"> waste management</a> </p> <a href="https://publications.waset.org/abstracts/119963/using-construction-wastes-and-recyclable-materials-in-sustainable-concrete-manufacture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/119963.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">148</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">609</span> Reduction Conditions of Briquetted Solid Wastes Generated by the Integrated Iron and Steel Plant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G%C3%B6khan%20Polat">Gökhan Polat</a>, <a href="https://publications.waset.org/abstracts/search?q=Dicle%20Kocao%C4%9Flu%20Y%C4%B1lmazer"> Dicle Kocaoğlu Yılmazer</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhlis%20Nezihi%20Sar%C4%B1dede"> Muhlis Nezihi Sarıdede</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Iron oxides are the main input to produce iron in integrated iron and steel plants. During production of iron from iron oxides, some wastes with high iron content occur. These main wastes can be classified as basic oxygen furnace (BOF) sludge, flue dust and rolling scale. Recycling of these wastes has a great importance for both environmental effects and reduction of production costs. In this study, recycling experiments were performed on basic oxygen furnace sludge, flue dust and rolling scale which contain 53.8%, 54.3% and 70.2% iron respectively. These wastes were mixed together with coke as reducer and these mixtures are pressed to obtain cylindrical briquettes. These briquettes were pressed under various compacting forces from 1 ton to 6 tons. Also, both stoichiometric and twice the stoichiometric cokes were added to investigate effect of coke amount on reduction properties of the waste mixtures. Then, these briquettes were reduced at 1000°C and 1100°C during 30, 60, 90, 120 and 150 min in a muffle furnace. According to the results of reduction experiments, the effect of compacting force, temperature and time on reduction ratio of the wastes were determined. It is found that 1 ton compacting force, 150 min reduction time and 1100°C are the optimum conditions to obtain reduction ratio higher than 75%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Coke" title="Coke">Coke</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20oxide%20wastes" title=" iron oxide wastes"> iron oxide wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=recycling" title=" recycling"> recycling</a>, <a href="https://publications.waset.org/abstracts/search?q=reduction" title=" reduction"> reduction</a> </p> <a href="https://publications.waset.org/abstracts/47134/reduction-conditions-of-briquetted-solid-wastes-generated-by-the-integrated-iron-and-steel-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47134.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">340</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">608</span> Sustainable Biostimulant and Bioprotective Compound for the Control of Fungal Diseases in Agricultural Crops</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Geisa%20Lima%20Mesquita%20Zambrosi">Geisa Lima Mesquita Zambrosi</a>, <a href="https://publications.waset.org/abstracts/search?q=Maisa%20Ciampi%20Guillardi"> Maisa Ciampi Guillardi</a>, <a href="https://publications.waset.org/abstracts/search?q=Fl%C3%A1via%20Rodrigues%20Patr%C3%ADcio"> Flávia Rodrigues Patrício</a>, <a href="https://publications.waset.org/abstracts/search?q=Oliveiro%20Guerreiro%20Filho"> Oliveiro Guerreiro Filho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Certified agricultural products are important components of the food industry. However, certifiers have been expanding the list of restricted or prohibited pesticides, limiting the options of products for phytosanitary control of plant diseases, but without offering alternatives to the farmers. Soybean and coffee leaf rust, brown eye spots, and Phoma leaf spots are the main fungal diseases that pose a serious threat to soybean and coffee cultivation worldwide. In conventional farming systems, these diseases are controlled by using synthetic fungicides, which, in addition to intensifying the occurrence of fungal resistance, are highly toxic to the environment, farmers, and consumers. In organic, agroecological, or regenerative farming systems, product options for plant protection are limited, being available only copper-based compounds, and biodefensivesornon-standard homemade products. Therefore, there is a growing demand for effective bioprotectors with low environmental impact for adoption in more sustainable agricultural systems. Then, to contribute to covering such a gap, we have developed a compound based on plant extracts and metallic elements for foliar application. This product has both biostimulant and bioprotective action, which promotes sustainable disease control, increases productivity as well as reduces damage to the environment. The product's components have complementary mechanisms that promote protection against the disease by directly acting on the pathogens and activating the plant's natural defense system. The protective ability of the product against three coffee diseases (coffee leaf rust, brown eye spot, and Phoma leaf spot) and against soybean rust disease was evaluated, in addition to its ability to promote plant growth. Our goal is to offer an effective alternative to control the main coffee fungal diseases and soybean fungal diseases, with a biostimulant effect and low toxicity. The proposed product can also be part of the integrated management of coffee and soybean diseases in conventional farming associated with chemical and biological pesticides, offering the market a sustainable coffee and soybean with high added value and low residue content. Experiments were carried out under controlled conditions to evaluate the effectiveness of the product in controlling rust, phoma, and cercosporiosis in comparison to control-inoculated plants that did not receive the product. The in vitro and in vivo effects of the product on the pathogen were evaluated using light microscopy and scanning electron microscopy, respectively. The fungistatic action of the product was demonstrated by a reduction of 85% and 95% in spore germination and disease symptoms severity on the leaves of coffee plants, respectively. The formulation had both a protective effect, acting to prevent infection by coffee leaf rust, and a curative effect, reducing the rust symptoms after its establishment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plant%20disease" title="plant disease">plant disease</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20fungicide" title=" natural fungicide"> natural fungicide</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20health" title=" plant health"> plant health</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=alternative%20disease%20management" title=" alternative disease management"> alternative disease management</a> </p> <a href="https://publications.waset.org/abstracts/183842/sustainable-biostimulant-and-bioprotective-compound-for-the-control-of-fungal-diseases-in-agricultural-crops" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183842.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">42</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">607</span> Conical Spouted Bed Combustor for Combustion of Vine Shoots Wastes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20J.%20San%20Jos%C3%A9">M. J. San José</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Alvarez"> S. Alvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20L%C3%B3pez"> R. López</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to prove the applicability of a conical spouted bed combustor for the thermal exploitation of vineyard pruning wastes, the flow regimes of beds consisting of vine shoot beds and an inert bed were established under different operating conditions. The effect of inlet air temperature on the minimum spouted velocity was evaluated. Batch combustion of vine shoots in a conical spouted bed combustor was conducted at temperatures in the range 425-550 ºC with an inert bed. The experimental values of combustion efficiency of vine shoot calculated from the concentration the exhaust gases were assessed. The high experimental combustion efficiency obtained evidenced the proper suitability of the conical spouted bed combustor for the thermal combustion of vine shoots. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biomass%20wastes" title="biomass wastes">biomass wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20combustion" title=" thermal combustion"> thermal combustion</a>, <a href="https://publications.waset.org/abstracts/search?q=conical%20spouted%20beds" title=" conical spouted beds"> conical spouted beds</a>, <a href="https://publications.waset.org/abstracts/search?q=vineyard%20wastes" title=" vineyard wastes"> vineyard wastes</a> </p> <a href="https://publications.waset.org/abstracts/91570/conical-spouted-bed-combustor-for-combustion-of-vine-shoots-wastes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91570.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">199</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">606</span> Sustainable Use of Agricultural Waste to Enhance Food Security and Conserve the Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20M.%20Tawfik">M. M. Tawfik</a>, <a href="https://publications.waset.org/abstracts/search?q=Ezzat%20M.%20Abd%20El%20Lateef"> Ezzat M. Abd El Lateef</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20B.%20Mekki"> B. B. Mekki</a>, <a href="https://publications.waset.org/abstracts/search?q=Amany%20A.%20Bahr"> Amany A. Bahr</a>, <a href="https://publications.waset.org/abstracts/search?q=Magda%20H.%20Mohamed"> Magda H. Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Gehan%20S.%20Bakhoom"> Gehan S. Bakhoom</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The rapid increase in the world’s population coupled by decrease the arable land per capita has resulted into an increased demand for food which has in turn led to the production of large amounts of agricultural wastes, both at the farmer, municipality and city levels. Agricultural wastes can be a valuable resource for improving food security. Unfortunately, agricultural wastes are likely to cause pollution to the environment or even harm to human health. This calls for increased public awareness on the benefits and potential hazards of agricultural wastes, especially in developing countries. Agricultural wastes (residual stalks, straw, leaves, roots, husks, shells etcetera) and animal waste (manures) are widely available, renewable and virtually free, hence they can be an important resource. They can be converted into heat, steam, charcoal, methanol, ethanol, bio diesel as well as raw materials (animal feed, composting, energy and biogas construction etcetera). agricultural wastes are likely to cause pollution to the environment or even harm to human health, if it is not used in a sustainable manner. Organic wastes could be considered an important source of biofertilizer for enhancing food security in the small holder farming communities that would not afford use of expensive inorganic fertilizers. Moreover, these organic wastes contain high levels of nitrogen, phosphorus, potassium, and organic matter important for improving nutrient status of soils in urban agriculture. Organic compost leading to improved crop yields and its nutritional values as compared with inorganic fertilization. This paper briefly reviews how agricultural wastes can be used to enhance food security and conserve the environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agricultural%20waste" title="agricultural waste">agricultural waste</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20compost" title=" organic compost"> organic compost</a>, <a href="https://publications.waset.org/abstracts/search?q=environment" title=" environment"> environment</a>, <a href="https://publications.waset.org/abstracts/search?q=valuable%20resources" title=" valuable resources"> valuable resources</a> </p> <a href="https://publications.waset.org/abstracts/22402/sustainable-use-of-agricultural-waste-to-enhance-food-security-and-conserve-the-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22402.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">520</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">605</span> Fundamental Research on Factors Affecting the Under-Film Corrosion Behavior of Coated Steel Members</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20Sakamoto">T. Sakamoto</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Kainuma"> S. Kainuma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Firstly, in order to examine the influence of the remaining amount of the rust on the coating film durability, the accelerated deterioration tests were carried out. In order to prepare test specimens, uncoated steel plates were corroded by the Salt Spray Test (SST) prior to the accelerated deterioration tests, and then the prepared test specimens were coated by epoxy resin and phthalic acid resin each of which has different gas-barrier performance. As the result, it was confirmed that the under-film corrosion occurred in the area and the adjacency to great quantities of salt exists in the rust, and did not occurred in the specimen which was applied the epoxy resin paint after the surface preparation by the power tool. Secondly, in order to clarify the influence of the corrosive factors on the coating film durability, outdoor exposure tests were conducted for one year on actual steel bridge located at a coastal area. The tests specimens consist of coated corroded plates and the uncoated steel plates, and they were installed on the different structural members of the bridge for one year. From the test results, the uncoated steel plates which were installed on the underside of the member are easily corrosive and had highly correlation with the amount of salt in the rust. On the other hand, the most corrosive under-film steel was the vertical surface of the web plate. Thus, it was confirmed that under-film corrosion rate was not match with corrosion rate of the uncoated steel. Consequently, it is estimated that the main factors of under-film corrosion are gas-barrier property of coating film and corrosive factors such as water vapor and temperature. The salt which significantly corrodes the uncoated steel plate is not directly related to the under-film corrosion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=accelerated%20deterioration%20test" title="accelerated deterioration test">accelerated deterioration test</a>, <a href="https://publications.waset.org/abstracts/search?q=coating%20durability" title=" coating durability"> coating durability</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20factor" title=" environmental factor"> environmental factor</a>, <a href="https://publications.waset.org/abstracts/search?q=under-film%20corrosion" title=" under-film corrosion"> under-film corrosion</a> </p> <a href="https://publications.waset.org/abstracts/39312/fundamental-research-on-factors-affecting-the-under-film-corrosion-behavior-of-coated-steel-members" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39312.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">370</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">604</span> Anaerobic Digestion of Organic Wastes for Biogas Production</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ayhan%20Varol">Ayhan Varol</a>, <a href="https://publications.waset.org/abstracts/search?q=Aysenur%20Ugurlu"> Aysenur Ugurlu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the depletion of fossil fuels and climate change, there is a rising interest in renewable energy sources. In this concept, a wide range of biomass (energy crops, animal manure, solid wastes, etc.) are used for energy production. There has been a growing interest in biomethane production from biomass. Biomethane production from organic wastes is a promising alternative for waste management by providing organic matter stabilization. Anaerobic digestion of organic material produces biogas, and organic substrate is degraded into a more stable material. Therefore, anaerobic digestion technology helps reduction of carbon emissions and produces renewable energy. The hydraulic retention time (HRT) and organic loading rate (OLR), as well as TS (VS) loadings, influences the anaerobic digestion of organic wastes significantly. The optimum range for HRT varies between 15 days to 30 days, whereas OLR differs between 0.5 to 5 g/L.d depending on the substrate type and its lipid, protein and carbohydrate contents. The organic wastes have biogas production potential through anaerobic digestion. In this study, biomethane production potential of wastes like sugar beet bagasse, agricultural residues, food wastes, olive mill pulp, and dairy manure having different characteristics was investigated in mesophilic CSTR reactor, and their performances were compared. The reactor was mixed in order to provide homogenized content at a rate of 80 rpm. The organic matter content of these wastes was between 85 to 94 % with 61% (olive pulp) to 22 % (food waste) dry matter content. The hydraulic retention time changed between 20-30 days. High biogas productions, 13.45 to 5.70 mL/day, were achieved from the wastes studied when operated at 9 to 10.5% TS loadings where OLR varied between 2.92 and 3.95 gVS/L.day. The results showed that food wastes have higher specific methane production rate and volumetric methane production potential than the other wastes studied, under the similar OLR values. The SBP was 680, 585, 540, 390 and 295 mL/g VS for food waste, agricultural residues, sugar beet bagasse, olive pulp and dairy manure respectively. The methane content of the biogas varied between 72 and 60 %. The volatile solids conversion rate for food waste was 62%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biogas%20production" title="biogas production">biogas production</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20wastes" title=" organic wastes"> organic wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=biomethane" title=" biomethane"> biomethane</a>, <a href="https://publications.waset.org/abstracts/search?q=anaerobic%20digestion" title=" anaerobic digestion"> anaerobic digestion</a> </p> <a href="https://publications.waset.org/abstracts/52438/anaerobic-digestion-of-organic-wastes-for-biogas-production" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52438.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">280</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">603</span> A Comparative Study on Fish Raised with Feed Formulated with Various Organic Wastes and Commercial Feed</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Charles%20Chijioke%20Dike">Charles Chijioke Dike</a>, <a href="https://publications.waset.org/abstracts/search?q=Hugh%20Clifford%20Chima%20Maduka"> Hugh Clifford Chima Maduka</a>, <a href="https://publications.waset.org/abstracts/search?q=Chinwe%20A.%20Isibor"> Chinwe A. Isibor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fish is among the products consumed at a very high rate. In most countries of the world, fish are used as part of the daily meal. The high cost of commercial fish feeds in Africa has made it necessary the development of an alternative source of fish feed processing from organic waste. The objective of this research is to investigate the efficacy of fish feeds processed from various animal wastes in order to know whether those feeds shall be alternatives to commercial feeds. This work shall be carried out at the Research Laboratory Unit of the Department of Human Biochemistry, Faculty of Basic Medical Sciences, College of Health Sciences, Nnamdi Azikiwe University (NAU), Nnewi Campus, Anambra State. The fingerlings to be used shall be gotten from the Agricultural Department of NAU, Awka, Anambra State, and allowed to acclimatize for 14 d. Animal and food wastes shall be gotten from Nnewi. The fish shall be grouped into 1-13 (Chicken manure only, cow dung only, pig manure only, chicken manure + yeast, cow dung + yeast, pig manure + yeast, chicken manure + other wastes + yeast, cow dung + other wastes + yeast, and pig manure + other wastes + yeast. Feed assessment shall be carried out by determining bulk density, feed water absorption, feed hardness, feed oil absorption, and feed water stability. The nutritional analysis shall be carried out on the feeds processed. The risk assessment shall be done on the fish by determining methylmercury (MeHg), polycyclic aromatic hydrocarbons (PAHs), and dichloro-diphenyl-trichloroethane (DDT) in the fish. The results from this study shall be analyzed statistically using SPSS statistical software, version 25. The hypothesis is that fish feeds processed from animal wastes are efficient in raising catfish. The outcome of this study shall provide the basis for the formulation of fish feeds from organic wastes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=assessment" title="assessment">assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=feeds" title=" feeds"> feeds</a>, <a href="https://publications.waset.org/abstracts/search?q=health%20risk" title=" health risk"> health risk</a>, <a href="https://publications.waset.org/abstracts/search?q=wastes" title=" wastes"> wastes</a> </p> <a href="https://publications.waset.org/abstracts/161292/a-comparative-study-on-fish-raised-with-feed-formulated-with-various-organic-wastes-and-commercial-feed" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161292.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">104</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">602</span> A Study of Lean Principles Implementation in the Libyan Healthcare and Industry Sectors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nasser%20M.%20Amaitik">Nasser M. Amaitik</a>, <a href="https://publications.waset.org/abstracts/search?q=Ngwan%20F.%20Elsagzli"> Ngwan F. Elsagzli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Lean technique is very important in the service and industrial fields. It is defined as an effective tool to eliminate the wastes. In lean the wastes are defined as anything which does not add value to the end product. There are wastes that can be avoided, but some are unavoidable to many reasons. The present study aims to apply the principles of lean in two different sectors, healthcare, and industry. Two case studies have been selected to apply the experimental work. The first case was Al-Jalaa Hospital while the second case study was the Technical Company of Aluminum Sections in Benghazi, Libya. In both case studies the Value Stream Map (VSM) of the current state has been constructed. The proposed plans have been implemented by merging or eliminating procedures or processes. The results obtained from both case studies showed improvement in capacity, idle time and utilized time. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=healthcare%20service%20delivery" title="healthcare service delivery">healthcare service delivery</a>, <a href="https://publications.waset.org/abstracts/search?q=idle%20time" title=" idle time"> idle time</a>, <a href="https://publications.waset.org/abstracts/search?q=lean%20principles" title=" lean principles"> lean principles</a>, <a href="https://publications.waset.org/abstracts/search?q=utilized%20time" title=" utilized time"> utilized time</a>, <a href="https://publications.waset.org/abstracts/search?q=value%20stream%20mapping" title=" value stream mapping"> value stream mapping</a>, <a href="https://publications.waset.org/abstracts/search?q=wastes" title=" wastes"> wastes</a> </p> <a href="https://publications.waset.org/abstracts/2847/a-study-of-lean-principles-implementation-in-the-libyan-healthcare-and-industry-sectors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2847.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">287</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">601</span> Investigation of Biochar from Banana Peel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anurita%20Selvarajoo">Anurita Selvarajoo</a>, <a href="https://publications.waset.org/abstracts/search?q=Svenja%20Hanson"> Svenja Hanson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Growing energy needs and increasing environmental issues are creating awareness for alternative energy which substitutes the non-renewable and polluting fossil fuels. Agricultural wastes are a good feedstock for biochar production through the pyrolysis process. There is potential to generate solid fuel from agricultural wastes, as there are large quantities of agricultural wastes available in Malaysia. This paper outlines the experimental study on the pyrolysis of banana peel. The effects of pyrolysis temperatures on the yield of biochar from the banana peel were investigated. Banana peel was pyrolysed in a horizontal tubular reactor under inert atmosphere by varying the temperatures between 300 and 700 0C. With increasing temperature, the total biochar yield decreased with increased heating value. It was found that the pyrolysis temperature had major effect on the yield of biochar product. It also exerted major influence on the heating value and C,H and O composition. The obtained biochar ranged between 31.9 to 56.7 %wt, at different pyrolysis temperatures. The optimum biochar yield was obtained at 325 0C. Biochar yield obtained at optimum temperature was 47 % wt with a heating value of 25.9 MJ kg-1. The study has been performed in order to demonstrate that agricultural wastes like banana peel are also important source of solid fuel. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agricultural%20Wastes" title="agricultural Wastes">agricultural Wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=banana%20peel" title=" banana peel"> banana peel</a>, <a href="https://publications.waset.org/abstracts/search?q=biochar" title=" biochar"> biochar</a>, <a href="https://publications.waset.org/abstracts/search?q=pyrolysis" title=" pyrolysis"> pyrolysis</a> </p> <a href="https://publications.waset.org/abstracts/23963/investigation-of-biochar-from-banana-peel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23963.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">297</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=rust%20wastes&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=rust%20wastes&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=rust%20wastes&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=rust%20wastes&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=rust%20wastes&page=6">6</a></li> <li class="page-item"><a class="page-link" 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