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Zvinowanda, Caliphs M.

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Date: 2020/01/12
Language: en
Type: Text
Identifier: tut:5009
Description: Pollution of water resources by acid mine drainage (AMD) has been an issue of primary concern in recent decades. This is rooted to the fact that AMD negatively aects the environment and its suitabilit ... More
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Date: 2017/05/18
Language: en
Type: Text
Identifier: tut:5773
Description: In recent decades, much research has been paying attention on the treatment and desalination of acid mine drainage (AMD) with minimal focus on the recovery of minerals from the resultant residues. Sol ... More
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Date: 2014/12/30
Language: en
Type: Text
Identifier: tut:5777
Description: Rooibos (Aspalathus linearis) plants are cultivated for the production of the Rooibos tea. In this work, biosorption process of Pb(II) from aqueous solution on Rooibos shoot powder (RSP) was studied i ... More
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Date: 2014/02/27
Language: en
Type: Text
Identifier: tut:5765
Description: Two nanofiltration (NF90 and Nano-Pro-3012) membranes were investigated for their capacity to remove metal ions. This study presents the effect of membrane roughness on the removal of toxic metal ions ... More
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Date: 2014/01/01
Language: en
Type: Text
Identifier: tut:6157
Description: HybridICE is an emerging freeze desalination technology for treating complex mine wastewaters. The technology works on the principle that growing ice crystals reject impurities during freezing. The bo ... More
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Date: 2013/03/01
Language: en
Type: Text
Identifier: tut:6156
Description: The HybridICE technology operates on the principle that growing ice crystals reject impurities during freezing and is a “zero liquid discharge” process, whereby the water is completely isolated from t ... More
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Date: 2012/04/21
Language: en
Type: Text
Identifier: tut:5771
Description: The intention of this study was to explore the efficacy and feasibility for Cu (II) adsorption onto fixed bed column of maize tassel-PVA beads. The effects of flow rate and bed height were explored. T ... More
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Date: 2012/03/20
Language: en
Type: Text
Identifier: tut:5779
Description: The use of desalination technologies which produce concentrated brines is acutely limited by inadequate waste brine disposal mechanisms such that the brine does not contaminate fresh water resources. ... More
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Date: 2011/01/01
Language: en
Type: Text
Identifier: tut:5955
Description: Polymeric mediators have been used in biosensor development. However, the synthesis of the polymeric mediators is tedious. To reduce the cost of biosensors organic polymer constituents, there is a sea ... More
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Date: 2010-10-01
Type: Text
Identifier: tut:1558
Description: Problem statement: Major adsorbent materials used in heavy metal ion removal from polluted aqueous streams are expensive and difficult to regenerate. In this study, the possibility of using Zea mays t ... More
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Date: 2010-04-13
Type: Text
Identifier: tut:1607
Description: Copper is a widely used metal which is also an essential micronutrient for human life. This metal, however, can be toxic to humans in high concentrations. The mining of copper has resulted in the cont ... More
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Date: 2009-04-09
Type: Text
Identifier: tut:1577
Description: Surface water and sediment samples collected from Jukskei River in South Africa, were subjected to different extraction techniques, liquid–liquid (LLE), solidphase extraction (SPE), activated carbon e ... More
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Date: 2009/02/10
Language: en
Type: Text
Identifier: tut:4979
Description: The objective of this study was to investigate the possibility of using maize tassel as an alternative adsorbent for the removal of chromium (VI) and cadmium (II) ions from aqueous solutions. The effe ... More
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Date: 2009
Type: Text
Identifier: tut:1553
Description: The potential of tassel from R52 maize cultivar for the removal of heavy metals from simulated and environmental aqueous samples as well as the physicochemical characteristics of tassel were investiga ... More
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Date: 2008-09-09
Type: Text
Identifier: tut:1583
Description: In this study, various physicochemical parameters were evaluated for maize tassel, a novel adsorbent. The Brunauer–Emmett–Teller (BET) isotherm was used to experimentally model N2-adsorption data (up ... More
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