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Search results for: Z. Mkhize

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Mkhize</title> <meta name="description" content="Search results for: Z. Mkhize"> <meta name="keywords" content="Z. Mkhize"> <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 ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="Z. 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Mkhize"> <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> 2</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Z. Mkhize</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> The Sequestration of Heavy Metals Contaminating the Wonderfonteinspruit Catchment Area using Natural Zeolite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=P.P.%20Diale">P.P. Diale</a>, <a href="https://publications.waset.org/search?q=S.S.L.%20Mkhize"> S.S.L. Mkhize</a>, <a href="https://publications.waset.org/search?q=E.%20Muzenda"> E. Muzenda</a>, <a href="https://publications.waset.org/search?q=J.%20Zimba"> J. Zimba</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For more than 120 years, gold mining formed the backbone the South Africa-s economy. The consequence of mine closure was observed in large-scale land degradation and widespread pollution of surface water and groundwater. This paper investigates the feasibility of using natural zeolite in removing heavy metals contaminating the Wonderfonteinspruit Catchment Area (WCA), a water stream with high levels of heavy metals and radionuclide pollution. Batch experiments were conducted to study the adsorption behavior of natural zeolite with respect to Fe2+, Mn2+, Ni2+, and Zn2+. The data was analysed using the Langmuir and Freudlich isotherms. Langmuir was found to correlate the adsorption of Fe2+, Mn2+, Ni2+, and Zn2+ better, with the adsorption capacity of 11.9 mg/g, 1.2 mg/g, 1.3 mg/g, and 14.7 mg/g, respectively. Two kinetic models namely, pseudo-first order and pseudo second order were also tested to fit the data. Pseudo-second order equation was found to be the best fit for the adsorption of heavy metals by natural zeolite. Zeolite functionalization with humic acid increased its uptake ability. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=gold-mining" title="gold-mining">gold-mining</a>, <a href="https://publications.waset.org/search?q=natural%20zeolites" title=" natural zeolites"> natural zeolites</a>, <a href="https://publications.waset.org/search?q=water%20pollution" title=" water pollution"> water pollution</a>, <a href="https://publications.waset.org/search?q=WestRand." title=" WestRand."> WestRand.</a> </p> <a href="https://publications.waset.org/595/the-sequestration-of-heavy-metals-contaminating-the-wonderfonteinspruit-catchment-area-using-natural-zeolite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/595/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/595/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/595/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/595/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/595/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/595/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/595/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/595/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/595/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/595/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/595.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">2525</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> HPTLC Fingerprint Profiling of Protorhus longifolia Methanolic Leaf Extract and Qualitative Analysis of Common Biomarkers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=P.%20S.%20Seboletswe">P. S. Seboletswe</a>, <a href="https://publications.waset.org/search?q=Z.%20Mkhize"> Z. Mkhize</a>, <a href="https://publications.waset.org/search?q=L.%20M.%20Katata-Seru"> L. M. Katata-Seru</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p><em>Protorhus longifolia </em>is known as a medicinal plant that has been used traditionally to treat various ailments such as hemiplegic paralysis, blood clotting related diseases, diarrhoea, heartburn, etc. The study reports a High-Performance Thin Layer Chromatography (HPTLC) fingerprint profile of <em>Protorhus longifolia</em> methanolic extract and its qualitative analysis of gallic acid, rutin, and quercetin. HPTLC analysis was achieved using CAMAG HPTLC system equipped with CAMAG automatic TLC sampler 4, CAMAG Automatic Developing Chamber 2 (ADC2), CAMAG visualizer 2, CAMAG Thin Layer Chromatography (TLC) scanner and visionCATS CAMAG HPTLC software. Mobile phase comprising toluene, ethyl acetate, formic acid (21:15:3) was used for qualitative analysis of gallic acid and revealed eight peaks while the mobile phase containing ethyl acetate, water, glacial acetic acid, formic acid (100:26:11:11) for qualitative analysis of rutin and quercetin revealed six peaks. HPTLC sillica gel 60 F254 glass plates (10 &times; 10) were used as the stationary phase. Gallic acid was detected at the R<sub>f</sub> = 0.35; while rutin and quercetin were not evident in the extract. Further studies will be performed to quantify gallic acid in <em>Protorhus longifolia</em> leaves and also identify other biomarkers.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Biomarkers" title="Biomarkers">Biomarkers</a>, <a href="https://publications.waset.org/search?q=fingerprint%20profiling" title=" fingerprint profiling"> fingerprint profiling</a>, <a href="https://publications.waset.org/search?q=gallic%20acid" title=" gallic acid"> gallic acid</a>, <a href="https://publications.waset.org/search?q=HPTLC" title=" HPTLC"> HPTLC</a>, <a href="https://publications.waset.org/search?q=Protorhus%20longifolia." title=" Protorhus longifolia."> Protorhus longifolia.</a> </p> <a href="https://publications.waset.org/10010946/hptlc-fingerprint-profiling-of-protorhus-longifolia-methanolic-leaf-extract-and-qualitative-analysis-of-common-biomarkers" class="btn btn-primary btn-sm">Procedia</a> <a 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