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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: 2019/06/27
Language: en
Type: Text
Identifier: tut:6657
Description: Remediation of copper(II) and zinc(II) ions with the aid of metal-organic frameworks (MOFs) from its respective aqueous media was carried out. The MOFs were prepared by a solvothermal synthesis proced ... 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: 2013/01/01
Language: en
Type: Text
Identifier: tut:6659
Description: This work was studied to determine the flux decline during nanofiltration of iron and deionised water. The rejection characteristic of iron was also studied. A stirred-cell was used for the experiment ... More
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Date: 2012/07/11
Language: en
Type: Text
Identifier: tut:6660
Description: Upon cooling, water reverts to its solid form – ice. Due to the small dimensions and lattice configuration of the ice crystal, inclusion of compounds in the crystal lattice is impossible. Mechanisms o ... More
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Date: 2012/04/23
Language: en
Type: Text
Identifier: tut:7106
Description: The use of flotation technique for the recovery of calcium carbonate (CaCO3) from wastewater treatment sludge was investigated in this study. The parameters that were investigated included dosage of f ... 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: 2012/03/01
Language: en
Type: Text
Identifier: tut:6679
Description: South Africa currently faces both a shortage of water as well as deterioration in the quality of the available water due to industrial activities such as mining and power generation. The CSIR-ABC proc ... More
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Date: 2012/01/02
Language: en
Type: Text
Identifier: tut:7113
Description: Recent studies have linked air pollution in cities to chronic health problems like cardiovascular and cardio-respiratory deaths in the population. Pollution of the atmosphere in Harare, the capital of ... More
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Date: 2012/01/01
Language: en
Type: Text
Identifier: tut:6688
Description: The solids that result from mine wastewater treatment usually contain elevated levels of contaminants that were originally contained in the wastewater. These must be carefully disposed or treated to a ... More
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