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window.loswp.showSignupCaptcha = false window.loswp.willEdgeCache = false; window.loswp.work = {"work":{"id":81089276,"created_at":"2022-06-09T06:08:24.589-07:00","from_world_paper_id":207823283,"updated_at":"2024-11-29T14:11:04.040-08:00","_data":{"publisher":"Elsevier BV","ai_title_tag":"Productivities of Marine Microalgae for Biodiesel from Iran","grobid_abstract":"In this work, the screening of 147 microalgal strains from the Persian Gulf and the Qeshm Island (Iran) were done in order to choose the best ones, in terms of growth (biomass) rate and lipid content for biodiesel production. A methodology, combining experiments in labscale and pilot plant (open pond) used to produce and evaluate biomass and lipid productivity is presented for the systematic investigation of the potential of different microalgae species. The culture conditions, including photo flux (180 mE m À2 s À1), photoperiod (12 h light/dark), temperature (25 C), pH (z8), air (carbon dioxide) and growth medium, were kept constant for all experiments. Microalgae were screened in two stages using optical density (for evaluation of biomass concentration) and Nile red and gas chromatography (for determination of lipid content and fatty acid fractions). In general, maximum specific growth rate and the maximum biomass productivity were obtained after 8e12-day culture. Nannochloropsis sp. and Neochloris sp. were selected from the marine microalgal culture collection, due to their high biomass (50 and 21.7 g L À1 , respectively) and oil content (52% and 46%, respectively). If the purpose is to produce biodiesel only from one species, Nannochloropsis sp. presented the most adequate fatty acid profile, namely linolenic and other polyunsaturated fatty acids. However, the microalgae Chlorella sp. can also be used if associated with other microalgal oils. In addition, selected strains could be potent candidates for commercial production in the open pond culture.","publication_date":"2011,,","publication_name":"Biomass and Bioenergy","grobid_abstract_attachment_id":"87254743"},"document_type":"paper","pre_hit_view_count_baseline":null,"quality":"high","language":"en","title":"Biomass and lipid productivities of marine microalgae isolated from the Persian Gulf and the Qeshm Island","broadcastable":true,"draft":null,"has_indexable_attachment":true,"indexable":true}}["work"]; window.loswp.workCoauthors = [2363014]; window.loswp.locale = "en"; window.loswp.countryCode = "SG"; window.loswp.cwvAbTestBucket = ""; window.loswp.designVariant = "ds_vanilla"; window.loswp.fullPageMobileSutdModalVariant = "control"; window.loswp.useOptimizedScribd4genScript = false; window.loginModal = {}; window.loginModal.appleClientId = 'edu.academia.applesignon'; window.userInChina = "false";</script><script defer="" src="https://accounts.google.com/gsi/client"></script><div class="ds-loswp-container"><div class="ds-work-card--grid-container"><div class="ds-work-card--container js-loswp-work-card"><div class="ds-work-card--cover"><div class="ds-work-cover--wrapper"><div class="ds-work-cover--container"><button class="ds-work-cover--clickable js-swp-download-button" data-signup-modal="{"location":"swp-splash-paper-cover","attachmentId":87254743,"attachmentType":"pdf"}"><img alt="First page of “Biomass and lipid productivities of marine microalgae isolated from the Persian Gulf and the Qeshm Island”" class="ds-work-cover--cover-thumbnail" src="https://0.academia-photos.com/attachment_thumbnails/87254743/mini_magick20220609-3572-18tn6vo.png?1654780314" /><img alt="PDF Icon" class="ds-work-cover--file-icon" src="//a.academia-assets.com/images/single_work_splash/adobe_icon.svg" /><div class="ds-work-cover--hover-container"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span><p>Download Free PDF</p></div><div class="ds-work-cover--ribbon-container">Download Free PDF</div><div class="ds-work-cover--ribbon-triangle"></div></button></div></div></div><div class="ds-work-card--work-information"><h1 class="ds-work-card--work-title">Biomass and lipid productivities of marine microalgae isolated from the Persian Gulf and the Qeshm Island</h1><div class="ds-work-card--work-authors ds-work-card--detail"><a class="ds-work-card--author js-wsj-grid-card-author ds2-5-body-md ds2-5-body-link" data-author-id="2363014" href="https://uni-mysore.academia.edu/ALIMOULAEINEJAD"><img alt="Profile image of ALI MOULAEI NEJAD" class="ds-work-card--author-avatar" src="https://0.academia-photos.com/2363014/744683/18272526/s65_ali.moulaei_nejad.jpg" />ALI MOULAEI NEJAD</a></div><div class="ds-work-card--detail"><p class="ds-work-card--detail ds2-5-body-sm">2011, Biomass and Bioenergy</p><div class="ds-work-card--work-metadata"><div class="ds-work-card--work-metadata__stat"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">visibility</span><p class="ds2-5-body-sm" id="work-metadata-view-count">…</p></div><div class="ds-work-card--work-metadata__stat"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">description</span><p class="ds2-5-body-sm">5 pages</p></div><div class="ds-work-card--work-metadata__stat"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">link</span><p class="ds2-5-body-sm">1 file</p></div></div><script>(async () => { const workId = 81089276; const worksViewsPath = "/v0/works/views?subdomain_param=api&work_ids%5B%5D=81089276"; const getWorkViews = async (workId) => { const response = await fetch(worksViewsPath); if (!response.ok) { throw new Error('Failed to load work views'); } const data = await response.json(); return data.views[workId]; }; // Get the view count for the work - we send this immediately rather than waiting for // the DOM to load, so it can be available as soon as possible (but without holding up // the backend or other resource requests, because it's a bit expensive and not critical). const viewCount = await getWorkViews(workId); const updateViewCount = (viewCount) => { try { const viewCountNumber = parseInt(viewCount, 10); if (viewCountNumber === 0) { // Remove the whole views element if there are zero views. document.getElementById('work-metadata-view-count')?.parentNode?.remove(); return; } const commaizedViewCount = viewCountNumber.toLocaleString(); const viewCountBody = document.getElementById('work-metadata-view-count'); if (!viewCountBody) { throw new Error('Failed to find work views element'); } viewCountBody.textContent = `${commaizedViewCount} views`; } catch (error) { // Remove the whole views element if there was some issue parsing. document.getElementById('work-metadata-view-count')?.parentNode?.remove(); throw new Error(`Failed to parse view count: ${viewCount}`, error); } }; // If the DOM is still loading, wait for it to be ready before updating the view count. if (document.readyState === "loading") { document.addEventListener('DOMContentLoaded', () => { updateViewCount(viewCount); }); // Otherwise, just update it immediately. } else { updateViewCount(viewCount); } })();</script></div><p class="ds-work-card--work-abstract ds-work-card--detail ds2-5-body-md">In this work, the screening of 147 microalgal strains from the Persian Gulf and the Qeshm Island (Iran) were done in order to choose the best ones, in terms of growth (biomass) rate and lipid content for biodiesel production. A methodology, combining experiments in labscale and pilot plant (open pond) used to produce and evaluate biomass and lipid productivity is presented for the systematic investigation of the potential of different microalgae species. The culture conditions, including photo flux (180 mE m À2 s À1), photoperiod (12 h light/dark), temperature (25 C), pH (z8), air (carbon dioxide) and growth medium, were kept constant for all experiments. Microalgae were screened in two stages using optical density (for evaluation of biomass concentration) and Nile red and gas chromatography (for determination of lipid content and fatty acid fractions). In general, maximum specific growth rate and the maximum biomass productivity were obtained after 8e12-day culture. Nannochloropsis sp. and Neochloris sp. were selected from the marine microalgal culture collection, due to their high biomass (50 and 21.7 g L À1 , respectively) and oil content (52% and 46%, respectively). If the purpose is to produce biodiesel only from one species, Nannochloropsis sp. presented the most adequate fatty acid profile, namely linolenic and other polyunsaturated fatty acids. However, the microalgae Chlorella sp. can also be used if associated with other microalgal oils. In addition, selected strains could be potent candidates for commercial production in the open pond culture.</p><div class="ds-work-card--button-container"><button class="ds2-5-button js-swp-download-button" data-signup-modal="{"location":"continue-reading-button--work-card","attachmentId":87254743,"attachmentType":"pdf","workUrl":"https://www.academia.edu/81089276/Biomass_and_lipid_productivities_of_marine_microalgae_isolated_from_the_Persian_Gulf_and_the_Qeshm_Island"}">See full PDF</button><button class="ds2-5-button ds2-5-button--secondary js-swp-download-button" data-signup-modal="{"location":"download-pdf-button--work-card","attachmentId":87254743,"attachmentType":"pdf","workUrl":"https://www.academia.edu/81089276/Biomass_and_lipid_productivities_of_marine_microalgae_isolated_from_the_Persian_Gulf_and_the_Qeshm_Island"}"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span>Download PDF</button></div><div class="ds-signup-banner-trigger-container"><div class="ds-signup-banner-trigger ds-signup-banner-trigger-control"></div></div><div class="ds-signup-banner ds-signup-banner-control"><div id="ds-signup-banner-close-button"><button class="ds2-5-button ds2-5-button--secondary ds2-5-button--inverse"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">close</span></button></div><div class="ds-signup-banner-ctas"><img src="//a.academia-assets.com/images/academia-logo-capital-white.svg" /><h4 class="ds2-5-heading-serif-sm">Sign up for access to the world's latest research</h4><button class="ds2-5-button ds2-5-button--inverse ds2-5-button--full-width js-swp-download-button" data-signup-modal="{"location":"signup-banner"}">Sign up for free<span class="material-symbols-outlined" style="font-size: 20px" translate="no">arrow_forward</span></button></div><div class="ds-signup-banner-divider"></div><div class="ds-signup-banner-reasons"><div class="ds-signup-banner-reasons-item"><span class="material-symbols-outlined" style="font-size: 24px" translate="no">check</span><span>Get notified about relevant papers</span></div><div class="ds-signup-banner-reasons-item"><span class="material-symbols-outlined" style="font-size: 24px" translate="no">check</span><span>Save papers to use in your research</span></div><div class="ds-signup-banner-reasons-item"><span class="material-symbols-outlined" style="font-size: 24px" translate="no">check</span><span>Join the discussion with peers</span></div><div class="ds-signup-banner-reasons-item"><span class="material-symbols-outlined" style="font-size: 24px" translate="no">check</span><span>Track your impact</span></div></div></div><script>(() => { // Set up signup banner show/hide behavior: // 1. 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A successful and economically viable algae based oil industry depends on the selection of appropriate algal strains. In this study ten species of microalgae were prospected to determine their suitability for oil production: Chaetoceros gracilis, Chaetoceros mulleri, Chlorella vulgaris, Dunaliella sp., Isochrysis sp., Nannochloropsis oculata, Tetraselmis sp., Tetraselmis chui, Tetraselmis tetrathele and Thalassiosira weissflogii. The study was carried out in 3 L glass flasks subjected to constant aeration and controlled artificial illumination and temperature at two different salinities. After harvesting, the extraction of oil was carried out using the Bligh and Dyer method assisted by ultrasound. Results showed that C. gracilis presented the highest oil content and that C. vulgaris presented the highest oil production.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Bioprospecting for oil producing microalgal strains: Evaluation of oil and biomass production for ten microalgal strains","attachmentId":79860334,"attachmentType":"pdf","work_url":"https://www.academia.edu/69959317/Bioprospecting_for_oil_producing_microalgal_strains_Evaluation_of_oil_and_biomass_production_for_ten_microalgal_strains","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/69959317/Bioprospecting_for_oil_producing_microalgal_strains_Evaluation_of_oil_and_biomass_production_for_ten_microalgal_strains"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="1" data-entity-id="81798540" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/81798540/Evaluation_of_the_potential_for_some_isolated_microalgae_to_produce_biodiesel">Evaluation of the potential for some isolated microalgae to produce biodiesel</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="14005123" href="https://independent.academia.edu/RawheyaSalahElDin">Rawheya Salah El Din</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Egyptian Journal of Petroleum, 2015</p><p class="ds-related-work--abstract ds2-5-body-sm">The energy and the world food crises have ignited interest in algal culture for making biodiesel, bioethanol, biobutanol and other biofuels using the land that is not suitable for agriculture. Algal fuel is an alternative to fossil fuel that uses algae as its source of natural deposits. Microalgal lipids are the oils of the future for sustainable biodiesel production. One of the most important roles in obtaining oil from microalgae is the choice of species. A total of fifteen microalgal isolates, obtained from brackish and fresh waters, were assayed at the laboratory for their ability to high biomass productivity and lipid content. Only three microalgae were selected as the most potent isolates for biomass and lipid production. They have been identified as Chlorella vulgaris, Scenedesmus quadri and Trachelomonas oblonga. All of them were cultivated on BG11 media and harvested by centrifugation. The dry weight of the three isolates was recorded as 1.23, 1.09 and 0.9 g/l while the lipid contents were 37%, 34% and 29%, respectively which can be considered a promising biomass production and lipid content.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Evaluation of the potential for some isolated microalgae to produce biodiesel","attachmentId":87717985,"attachmentType":"pdf","work_url":"https://www.academia.edu/81798540/Evaluation_of_the_potential_for_some_isolated_microalgae_to_produce_biodiesel","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/81798540/Evaluation_of_the_potential_for_some_isolated_microalgae_to_produce_biodiesel"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="2" data-entity-id="32974879" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/32974879/Marine_microalgal_culturing_in_open_pond_systems_for_biodiesel_production_Critical_parameters">Marine microalgal culturing in open pond systems for biodiesel production—Critical parameters</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="1237674" href="https://nitc.academia.edu/NidhinSreekumar">Nidhin Sreekumar</a></div><p class="ds-related-work--abstract ds2-5-body-sm">The best recovery of Nannochloropsis oculata from the culture broth and effect on content of lipids In the present scenario, petroleum sourced fuel consumption is unsustainable; therefore, there is a high demand for the development of renewable transport fuels for environmental and economic sustainability. Microalgal fuel, with the significant feature of being carbon neutral, serves as one of the potent tools for tackling the fuel crisis. Enormous researches have been explored using fresh water species on biodiesel production; nevertheless, marine species are still in a grey area, even though reported to have higher lipid content. The current review focuses on a wide spectrum of marine microalgal sources with phycology under the criteria of open pond systems for algal oil production. The discussion on the lipid expression in the marine species have been critically analysed through the vital parameters such as solar irradiation, temperature, pH, nutrient pressure, agitation, CO 2 supply, culture depth, aeration, etc. The parameters are interdependent and, if scrutinized wisely, could result in enhanced lipid productivity. Therefore, the open pond culture of marine microalgae with top prioritized parameters such as nitrogen stress, pH, and light penetration will be a suitable combination for the efficient and effective biodiesel production. V C 2016 AIP Publishing LLC. [http://dx.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Marine microalgal culturing in open pond systems for biodiesel production—Critical parameters","attachmentId":53096957,"attachmentType":"pdf","work_url":"https://www.academia.edu/32974879/Marine_microalgal_culturing_in_open_pond_systems_for_biodiesel_production_Critical_parameters","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/32974879/Marine_microalgal_culturing_in_open_pond_systems_for_biodiesel_production_Critical_parameters"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="3" data-entity-id="108539348" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/108539348/Microalgal_potential_for_sustainable_biodiesel_production_and_other_bioactives_compounds">Microalgal potential for sustainable biodiesel production and other bioactives compounds</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="2288501" href="https://gjust.academia.edu/KulvinderBajwa">DR. Kulvinder Bajwa</a></div><p class="ds-related-work--metadata ds2-5-body-xs">2022</p><p class="ds-related-work--abstract ds2-5-body-sm">Microalgae have been gaining wide attention from scienti c and industrial point of view as a source of high-lipid feedstock to produce biodiesel. Current research work was focused primarily on biodiesel production using algal biomass with the objectives of collection, isolation, screening and characterization of appropriate algal species. In this context, sixty seven microalgal strains were isolated including fresh and marine water sources from ve regions of India. Screening of high lipid microalgae strains was carried out using Nile Red method for detection of neutral lipid droplets. Out of sixty seven, four potent biodiesel producing strains namely Chlorococcum aquaticum, Scenedesmus obliquus, Nannochloropsis oculata and Chlorella pyrenoidosa were selected on the basis of high lipid and biomass accumulation and having desirable FAME pro le of palmitic (16:0), palmitoleic (C16:1), stearic (C-18:0) and oleic acids (C-18:1), respectively, which implies that these strains can be successfully used for biodiesel production.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Microalgal potential for sustainable biodiesel production and other bioactives compounds","attachmentId":106893926,"attachmentType":"pdf","work_url":"https://www.academia.edu/108539348/Microalgal_potential_for_sustainable_biodiesel_production_and_other_bioactives_compounds","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/108539348/Microalgal_potential_for_sustainable_biodiesel_production_and_other_bioactives_compounds"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="4" data-entity-id="68102345" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/68102345/Fatty_Acid_Profile_of_Microalgal_Oils_as_a_Criterion_for_Selection_of_the_Best_Feedstock_for_Biodiesel_Production">Fatty Acid Profile of Microalgal Oils as a Criterion for Selection of the Best Feedstock for Biodiesel Production</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="182300581" href="https://independent.academia.edu/AdamKoniuszy">Adam Koniuszy</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Energies</p><p class="ds-related-work--abstract ds2-5-body-sm">Microalgae are considered to be potentially attractive feedstocks for biodiesel production, mainly due to their fast growth rate and high oil content accumulated in their cells. In this study, the suitability for biofuel production was tested for Chlorella vulgaris, Chlorella fusca, Oocystis submarina, and Monoraphidium strain. The effect of nutrient limitation on microalgae biomass growth, lipid accumulation, ash content, fatty acid profile, and selected physico-chemical parameters of algal biodiesel were analysed. The study was carried out in vertical tubular photobioreactors of 100 L capacity. The highest biomass content at 100% medium dose was found for Monoraphidium 525 ± 29 mg·L−1. A 50% reduction of nutrients in the culture medium decreased the biomass content by 23% for O. submarina, 19% for Monoraphidium, 13% for C. vulgaris and 9% for C. fusca strain. Nutrient limitation increased lipid production and reduced ash content in microalgal cells. The highest values were observe...</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Fatty Acid Profile of Microalgal Oils as a Criterion for Selection of the Best Feedstock for Biodiesel Production","attachmentId":78698626,"attachmentType":"pdf","work_url":"https://www.academia.edu/68102345/Fatty_Acid_Profile_of_Microalgal_Oils_as_a_Criterion_for_Selection_of_the_Best_Feedstock_for_Biodiesel_Production","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/68102345/Fatty_Acid_Profile_of_Microalgal_Oils_as_a_Criterion_for_Selection_of_the_Best_Feedstock_for_Biodiesel_Production"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="5" data-entity-id="19155480" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/19155480/Isolation_and_Evaluation_of_Oil_Producing_Microalgae_from_Subtropical_Coastal_and_Brackish_Waters">Isolation and Evaluation of Oil-Producing Microalgae from Subtropical Coastal and Brackish Waters</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="39352305" href="https://independent.academia.edu/SkyeThomashall">Skye Thomas-hall</a><span>, </span><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="39470796" href="https://independent.academia.edu/YaqiongLi">Yaqiong Li</a></div><p class="ds-related-work--metadata ds2-5-body-xs">PLoS ONE, 2012</p><p class="ds-related-work--abstract ds2-5-body-sm">Microalgae have been widely reported as a promising source of biofuels, mainly based on their high areal productivity of biomass and lipids as triacylglycerides and the possibility for cultivation on non-arable land. The isolation and selection of suitable strains that are robust and display high growth and lipid accumulation rates is an important prerequisite for their successful cultivation as a bioenergy source, a process that can be compared to the initial selection and domestication of agricultural crops. We developed standard protocols for the isolation and cultivation for a range of marine and brackish microalgae. By comparing growth rates and lipid productivity, we assessed the potential of subtropical coastal and brackish microalgae for the production of biodiesel and other oil-based bioproducts. This study identified Nannochloropsis sp., Dunaniella salina and new isolates of Chlorella sp. and Tetraselmis sp. as suitable candidates for a multiple-product algae crop. We conclude that subtropical coastal microalgae display a variety of fatty acid profiles that offer a wide scope for several oil-based bioproducts, including biodiesel and omega-3 fatty acids. A biorefinery approach for microalgae would make economical production more feasible but challenges remain for efficient harvesting and extraction processes for some species.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Isolation and Evaluation of Oil-Producing Microalgae from Subtropical Coastal and Brackish Waters","attachmentId":40461456,"attachmentType":"pdf","work_url":"https://www.academia.edu/19155480/Isolation_and_Evaluation_of_Oil_Producing_Microalgae_from_Subtropical_Coastal_and_Brackish_Waters","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/19155480/Isolation_and_Evaluation_of_Oil_Producing_Microalgae_from_Subtropical_Coastal_and_Brackish_Waters"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="6" data-entity-id="54373141" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/54373141/Characterization_of_microalgal_species_isolated_from_fresh_water_bodies_as_a_potential_source_for_biodiesel_production">Characterization of microalgal species isolated from fresh water bodies as a potential source for biodiesel production</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="45774248" href="https://independent.academia.edu/RAbouShanab">Reda Abou-Shanab</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Applied Energy, 2011</p><p class="ds-related-work--abstract ds2-5-body-sm">Due to increasing oil prices and climate change concerns, biodiesel has gained attention as an alternative energy source. Biodiesel derived from microalgae is a potentially renewable and carbon-neutral alternative to petroleum fuels. One of the most important decisions in obtaining oil from microalgae is the choice of algal species to use. Eight microalgae from a total of 33 isolated cultures were selected based on their morphology and ease of cultivation. Five cultures were isolated from river and identified as strains of Scenedesmus obliquus YSR01, Nitzschia cf. pusilla YSR02, Chlorella ellipsoidea YSR03, S. obliquus YSR04, and S. obliquus YSR05, and three were isolated from wastewater and identified as S. obliquus YSW06, Micractinium pusillum YSW07, and Ourococcus multisporus YSW08, based on LSU rDNA (D1-D2) and ITS sequence analyses. S. obliquus YSR01 reached a growth rate of 1.68 ± 0.28 day À1 at 680 nm and a biomass concentration of 1.57 ± 0.67 g dwt L À1 , with a high lipid content of 58 ± 1.5%. Under similar environmental conditions, M. pusillum reached a growth rate of 2.3 ± 0.55 day À1 and a biomass concentration of 2.28 ± 0.16 g dwt L À1 , with a relatively low lipid content of 24 ± 0.5% w/w. The fatty acid compositions of the studied species were mainly myristic, palmitic, palmitoleic, oleic, linoleic, g-linolenic, and linolenic acids. Our results suggest that S. obliquus YSR01 can be a possible candidate species for producing oils for biodiesel, based on its high lipid and oleic acid contents.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Characterization of microalgal species isolated from fresh water bodies as a potential source for biodiesel production","attachmentId":70768909,"attachmentType":"pdf","work_url":"https://www.academia.edu/54373141/Characterization_of_microalgal_species_isolated_from_fresh_water_bodies_as_a_potential_source_for_biodiesel_production","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/54373141/Characterization_of_microalgal_species_isolated_from_fresh_water_bodies_as_a_potential_source_for_biodiesel_production"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="7" data-entity-id="74998811" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/74998811/Continuous_culture_methodology_for_the_screening_of_microalgae_for_oil">Continuous culture methodology for the screening of microalgae for oil</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="146542564" href="https://independent.academia.edu/anaarmendariz10">ana armendariz</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Journal of Biotechnology, 2015</p><p class="ds-related-work--abstract ds2-5-body-sm">A basic criterion in the selection of microalgae suitable as source of oil for biodiesel should be their actual capacity to produce lipids or, more properly, the fatty acid yield. Performance assessment of ten preselected microalgae under both batch and continuous culture points to the latter approach as the most adequate for evaluating fatty acid productivity. Differences were patent in continuous culture among strains that otherwise had analogous oil accumulation potential under batch culture. Some promising strains under batch culture (like Muriella aurantiaca and Monoraphidium braunii) exhibited, however, values for actual fatty acid productivity lower than 40 mg L-1 d-1 in continuous regime. The analysis performed in photochemostat under continuous culture regime revealed the great potential of Chlorococcum olefaciens, Pseudokirchneriella subcapitata and Scenedesmus almeriensis as oil producing microalgae. Fatty acid productivity levels over 90 mg L-1 d-1 were recorded for the latter strains under moderate nitrogen limitation, conditions which led to an enrichment in saturated and monounsaturated fatty acids, a more suitable profile as raw material for biodiesel. The continuous culture methodology employed represents a sound procedure for screening microalgae for biofuel production, providing a reliable evaluation of their fatty acid production capacity, under conditions close to those of outdoor production systems.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Continuous culture methodology for the screening of microalgae for oil","attachmentId":83671172,"attachmentType":"pdf","work_url":"https://www.academia.edu/74998811/Continuous_culture_methodology_for_the_screening_of_microalgae_for_oil","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/74998811/Continuous_culture_methodology_for_the_screening_of_microalgae_for_oil"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="8" data-entity-id="15011679" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/15011679/Mass_cultivation_of_various_algal_species_and_their_evaluation_as_a_potential_candidate_for_lipid_production">Mass cultivation of various algal species and their evaluation as a potential candidate for lipid production</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="34173329" href="https://independent.academia.edu/FarahAslam">Farah Aslam</a><span>, </span><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="34014368" href="https://lcwu.academia.edu/FaizaSaleem">Faiza Saleem</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Natural Product Research, 2015</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Mass cultivation of various algal species and their evaluation as a potential candidate for lipid production","attachmentId":43659870,"attachmentType":"pdf","work_url":"https://www.academia.edu/15011679/Mass_cultivation_of_various_algal_species_and_their_evaluation_as_a_potential_candidate_for_lipid_production","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/15011679/Mass_cultivation_of_various_algal_species_and_their_evaluation_as_a_potential_candidate_for_lipid_production"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="9" data-entity-id="6036359" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/6036359/Microalgae_as_an_Oil_Producer_for_Biofuel_Applications">Microalgae as an Oil Producer for Biofuel Applications</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="9059109" href="https://jeppiaarcollege.academia.edu/ShaleeshaStanley">Shaleesha Stanley</a></div><p class="ds-related-work--abstract ds2-5-body-sm">Microalgae are more promising feed stocks to their widespread availability and higher oil yields. As with any biological lipid, this is a potential feedstock for making the renewable fuel biodiesel. However, extracting and purifying oil from algae continues to prove a significant challenge in producing both microalgae byproducts and biofuel, as microbial oil extraction is relatively energy-intensive and costly. The aim of the research work is to produce biodiesel from micro algal species. Chaetoceros sp were identified for the research work and studied for their lipid, carbohydrate and protein content. The main aim of the project is to make use of the algae present in the water bodies and to extract the useful algal oil meant for biodiesel production to meet the challenges of fuel requirement in the present scenario. Microalgal oil was extracted from Chaetoceros sp. and the physicochemical properties were determined. The density, viscosity, acid value, saponification value and free fatty acids were recorded as 1.305gm/ml, 6.2mm 2 /s, 2.5339mg/gm of oil, 173.56mg/gm of oil, and 0.71gm/100 gm of algae (Oleic acid). The fatty acid profile showed pentadecanoic acid (17.56%), 1.Nonadecenoic acid (20.1%), methyl palmitate (2.91%), methyl linoleate (12.07%), palmitic acid (1.97%) as major fatty acids.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Microalgae as an Oil Producer for Biofuel Applications","attachmentId":32972271,"attachmentType":"pdf","work_url":"https://www.academia.edu/6036359/Microalgae_as_an_Oil_Producer_for_Biofuel_Applications","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/6036359/Microalgae_as_an_Oil_Producer_for_Biofuel_Applications"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div></div></div><div class="ds-sticky-ctas--wrapper js-loswp-sticky-ctas hidden"><div class="ds-sticky-ctas--grid-container"><div class="ds-sticky-ctas--container"><button class="ds2-5-button js-swp-download-button" data-signup-modal="{"location":"continue-reading-button--sticky-ctas","attachmentId":87254743,"attachmentType":"pdf","workUrl":null}">See full PDF</button><button class="ds2-5-button ds2-5-button--secondary js-swp-download-button" data-signup-modal="{"location":"download-pdf-button--sticky-ctas","attachmentId":87254743,"attachmentType":"pdf","workUrl":null}"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span>Download PDF</button></div></div></div><div class="ds-below-fold--grid-container"><div class="ds-work--container js-loswp-embedded-document"><div class="attachment_preview" data-attachment="Attachment_87254743" style="display: none"><div class="js-scribd-document-container"><div class="scribd--document-loading js-scribd-document-loader" style="display: block;"><img alt="Loading..." src="//a.academia-assets.com/images/loaders/paper-load.gif" /><p>Loading Preview</p></div></div><div style="text-align: center;"><div class="scribd--no-preview-alert js-preview-unavailable"><p>Sorry, preview is currently unavailable. You can download the paper by clicking the button above.</p></div></div></div></div><div class="ds-sidebar--container js-work-sidebar"><div class="ds-related-content--container"><h2 class="ds-related-content--heading">Related papers</h2><div class="ds-related-work--container js-related-work-sidebar-card" data-collection-position="0" data-entity-id="27333340" data-sort-order="default"><a class="ds-related-work--title js-related-work-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/27333340/Potential_assessment_of_microalgal_oils_for_biodiesel_production_A_review">Potential assessment of microalgal oils for biodiesel production: A review</a><div class="ds-related-work--metadata"><a class="js-related-work-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="1720865" href="https://iitr-in.academia.edu/MahendraPalSharma">Mahendra Pal Sharma</a></div><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline 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data-collection-position="1" data-entity-id="83284886" data-sort-order="default"><a class="ds-related-work--title js-related-work-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/83284886/Screening_of_marine_microalgae_strains_from_Moroccan_coasts_for_biodiesel_production">Screening of marine microalgae strains from Moroccan coasts for biodiesel production</a><div class="ds-related-work--metadata"><a class="js-related-work-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="58532075" href="https://independent.academia.edu/iwahby">imane wahby</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Renewable Energy, 2017</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Screening of marine microalgae strains from Moroccan coasts for biodiesel 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