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Date: 2019
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/291122
Description: Abstract: Mining is a strategic sector of the global economy. However, the effects of mining and mineral processing activities on human health and environment cannot be overemphasized. The prevailing ... More
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Date: 2018
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/280990
Description: Abstract: In this paper, the effect of weathering on the mineralogy and flotation performance of a weathered Platinum group metal (PGM) ore was investigated. A comprehensive characterisation of the we ... More
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Date: 2018
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/279939
Description: Abstract: The existing tin smelting processes have the disadvantages of high smelting temperature, long smelting time and especially high tin losses. In this paper, the effect of basicity on the produ ... More
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Date: 2018
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/282037
Description: Abstract: Most cassiterite ores contain a certain amount of niobium and tantalum, which report to the slag during tin production. The reduction time is said to enhance the formation of some phases whi ... More
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Date: 2018
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/280992
Description: Abstract: Liberation of Nb/Ta minerals from Cassiterite ore during comminution is difficult. Microwave pre-treatment of cassiterite ore using batch multiple mode microwave was done. The ore was charac ... More
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Date: 2018
Subject: Sulfurization | slag | CaSO4
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/282012
Description: Abstract: Disposal of waste in the metallurgical industry has become a challenge. Heaps of gypsum from hydrometallurgical plants using sulphates media are growing and pose an environmental problem. Th ... More
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Date: 2017
Subject: Niobium | Tantalum | Flotation
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/239075
Description: Abstract: Due to their chemical, physical and mechanical properties, niobium (Nb) and tantalum (Ta) are strategically used in various technical applications. About 130 different minerals contain tanta ... More
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Date: 2017
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/226003
Description: Abstract: Due to depletion of high grade ore deposits and reinforcement of environmental regulations, many mines have resorted to use mine waste as a secondary source of metals. This minimises waste d ... More
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Date: 2017
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/239275
Description: Abstract: Many low grade iron ore deposits which were previously ignored are being treated due to depletion of high grade iron ore deposits. Haematite flotation concentrate from a reverse flotation of ... More
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Date: 2017
Language: English
Type: Conference proceedings
Identifier: http://hdl.handle.net/10210/239288
Description: Abstract: South Africa host massive deposits of Platinum Group Metals (PGMs) in the Igneous Bushveld Complex. These deposits have been mined for a long time and in the process Mine sludge has been pro ... More
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Date: 2015-07-20
Type: Article
Identifier: uj:5230
Description: Please refer to full text to view abstract
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Date: 2015-07-20
Subject: Clay | Jarosite | Fly-ash
Type: Article
Identifier: uj:5165
Description: In this paper, the mineralogical and physical characterisation of Jarosite, Clay and Fly ash was investigated. The XRD results revealed the presence of alacranite (AsS) and jarosite (K (Fe3(SO4)2(OH)6 ... More
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Date: 2014
Type: Article
Identifier: uj:4795
Description: Froth flotation is widely used for concentration of base metal sulphide minerals in complex ores. One of the major challenges faced by flotation of these ores is the ever varying grade and mineralogy. ... More
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Date: 2014
Type: Article
Identifier: uj:4796
Description: Impala Platinum Metal Refinery (PMR) produces about 30 tonnes of salt every month after crystallisation of effluent from the refining processes. These crystallised salts contain impurities (heavy meta ... More
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Date: 2013
Type: Article
Identifier: uj:4969
Description: Jarosite precipitates produced at Impala’s Base Metal Refineries contain substantial amounts of nickel. Laboratory-scale experiments were carried out in an attempt to recover nickel by leaching with h ... More
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