TUTDoR

Showing items 1 - 15 of 18.

Add to Quick Collection   All 18 Results

Sort:
 Add All Items to Quick Collection
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
Full Text: Full Text
Date: 2019/07/25
Language: en
Type: Text
Identifier: tut:6170
Description: Mine water rich in metals requires sustainable and cost effective treatment that leads to recovery of resources. Consequently, this investigation was aimed at identifying a process for recovering clea ... More
Full Text: Full Text
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
Full Text: Full Text
Date: 2017/01/01
Language: en
Type: Text
Identifier: tut:6166
Description: Organochloride pesticides are important components of herbicides, insecticides and pesticides, that have been detected at low concentrations in both surface and ground waters with the potential of hea ... More
Full Text: Full Text
Date: 2016/08/16
Language: en
Type: Text
Identifier: tut:5304
Description: In this study, the influence ofmole ratio dosage of Mg(OH)2 andMg(HCO3)2 to that of Fe2+ and factors influencing the rate of Fe2+ oxidationwere studied using simulatedAMD. In addition, the consequence ... More
Full Text: Full Text
Date: 2015/03/13
Subject: Waste gypsum | Binders
Language: en
Type: Text
Identifier: tut:2993
Description: The recovery of better quality waste gypsum during acid mine drainage (AMD) neutralization is one step closer to achieving downstream waste gypsum beneficiation for recovery of valuable materials. Thi ... More
Full Text: Full Text
Date: 2014/09/11
Language: en
Type: Type
Identifier: tut:6281
Description: Acid mine drainage (AMD) treatment remains a virgin area for extensive research owing to the limitations of the existing and proposed AMDtreatment technologies. Hence, the current study aims to apply ... More
Full Text: Full Text
Date: 2014/05/25
Language: en
Type: Text
Identifier: tut:6689
Description: South Africa is experiencing a large environmental problem due to uncontrolled discharge of acid mine water into public water courses. The need for neutralisation and desalination of acid mine drainag ... More
Full Text: Full Text
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
Full Text: Full Text
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
Full Text: Full Text
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
Full Text: Full Text
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
Full Text: Full Text
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
Full Text: Full Text
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
Full Text: Full Text
Date: 2012/01/01
Language: en
Type: Text
Identifier: tut:5774
Description: The proposed magnesium-barium-oxide process consists of metal removal with Mg(OH)2, magnesium and sulphate removal with Ba(OH)2 and calcium removal with CO2. The raw materials, Mg(OH)2 and Ba(OH)2 are ... More
Full Text: Full Text