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Comparison of Typical Copper Ore Grinding Processes for Approximately 15 kt/d Throughput in AfricaBy I. Druce, C. Li, T. Qu, J. Dong, W. Y. Xinchao, V. Nkuna
CITIC Heavy Industries has a large installed base of grinding equipment throughout Africa in different configurations, including high-pressure grinding rollers with ball mill and semi-autogenous ball
Jan 1, 2023
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Evaluating the potential drilling success of exploration programmes using a three-dimensional geological model – A case studyBy R. K. W. Merkle, F. A. S. Reyneke, Z. Harris, P. W. J. Delport
The technological advancements in computing power in the last 30 years have enabled the practical visualization of complex geological environments in three-dimensional (3D) space. 3D models and their
Feb 2, 2022
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The link between photovoltaics, sustainability, and the metals industry, N.J. Bartie and M.A. ReuterBy M. A. Reuter, N. J. Bartie
Metals make modern societies function, and increasingly, various high purity precious and special metals endow sustainability-driving technologies with specific functionalities. These metals become he
Jan 1, 2020
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Local magnitude calibration of seismic events in the West Rand, Far West Rand, and Klerksdorp–Orkney– Stilfontein–Hartebeesfontein gold mining areasBy M. B. C. Brandt
Richter magnitudes for seismic events were calibrated for use as a Local magnitude scale in the West Rand (WR), Far West Rand (FWR), and Klerksdorp–Orkney–Stilfontein–Hartebeesfontein (KOSH) gold mini
Nov 1, 2021
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Geological setting and concentration of scandium in the Flatreef and eastern limb chromitites of the Bushveld ComplexBy F. Roelofse, D. Grobler, and M. Purchase, C. Gauert, E. Kotze
Scandium is an important industrial metal for which demand is projected to increase in the future. Although many Sc deposits are secondary, Sc is scavenged by clinopyroxene during fractional crystalli
Sep 1, 2022
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A review of circular economy opportunities in the mining sectorBy F. Magweregwede, S. Khan
Circular economy opportunities for the mining sector are presented in this paper. A literature review was undertaken, followed by qualitative data gathering through survey questionnaires and unstructu
Dec 15, 2025
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Further design of quaternary diammonium reagents hosted on polymer nanofibers for hexachloridoiridate(IV) specificity, P. Moleko-Boyce, M. Ngayeka, and Z. TshentuBy Z. Tshentu, M. Ngayek, P. Moleko-Boyce
This paper is focused on the development of iridium(IV)-specific quaternary diammonium cations containing electron-donating substituents in the benzyl group of methyl and electron-withdrawing substitu
Jan 1, 2020
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Deformation and fracture behaviour of the g-TiAl based intermetallic alloysBy M. N. Mathabathe, A. S. Bolokang, C. W. Siyasiya, R. J. Mostert, G. Govender
The b-solidifying g-TiAl intermetallic alloys of nominal composition Ti-48Al (binary alloy), Ti-48Al-2Nb (ternary alloy), Ti-48Al-2Nb-0.7Cr (quaternary alloy), and Ti-48Al-2Nb-0.7Cr-0.3Si (quinary all
Apr 1, 2021
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Numerical investigation into slag solidification inside an ilmenite DC arc furnace using a finite element method approachBy A. Mainza, A. Mabentsela
A finite element model of a 5 m radius DC arc ilmenite furnace in idling mode was used to test the notion that the slag solidifies when it comes in to contact with colder pig iron, thus constituting t
Mar 30, 2023
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Key Aspects of Bench Flotation as a Geometallurgical Characterization ToolBy V. Ross
"Bench-scale flotation tests play a major role in the geometallurgical process value chain. Despite their apparent simplicity, these tests pose pitfalls in terms of operation, as well as the interpret
Mar 1, 2019
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Feasibility of tailings retreatment to unlock value and create environmental sustainability of the Louis Moore tailings dump near Giyani, South AfricaBy N. K. Singo, J. D. Kramers
The reprocessing of tailings resources to extract gold on an industrial scale has become common practice. While these projects are common in the Witwatersrand basin, similar low-technology processes a
Jul 1, 2021
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Investigation of stress in a pothole in the Bushveld Complex: A case studyBy B. P. Watson, D. Hoffmann, D. P. Roberts
Potholes on the Merensky and UG2 reefs in the Bushveld Complex occur as near-circular to elliptical depressions or slumps on the reef horizon, normally presenting as severe disruptions which prevent e
Jan 1, 2021
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Prediction of burden distribution and electrical resistance in submerged arc furnaces using discrete element method modellingBy G. Akdogan, Q. G. Reynolds, S. J. Baumgartner
A computational model of a submerged arc furnace (SAF) used in the production of ferrochrome is presented. The model‘s intended use is to investigate the extent to which intrinsic and extrinsic proper
Apr 16, 2024
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Study on flotation separation of cervantite and quartz using cationic collectors, J. Wang, F. Dong, Z. Wang, F. Yang, and D. MingxiaBy F. Dong, F. Yang, J. Wang, Z. Wang, D. Mingxia
Antimony oxide ores are important antimony resources, but their recovery is still a problem. In this paper, the adsorption behaviour and mechanism of dodecamine and quaternary ammonium salt on the sur
Jan 1, 2020
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Cobalt Alloy Re-Melting and Recovery as Cobalt-Rich Slag: A Position PaperBy W. Jilowa, C. Nguni, M. Simukoko, C. Nampungwe
The upsurge in cobalt price and demand is propelled by high demand from the electronics and electric vehicle industry. Konkola Copper Mines has cobalt occurring with copper in the ratio 1:10 in ore. T
Jan 1, 2023
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Is Water Conservation And Water Demand Management A Real Option?By F. Botha
South Africa is amongst the 40 driest counties in the world, with extreme weather conditions and beset by both droughts and floods. Coupled with economic growth is an increased demand on water resour
Jan 1, 2012
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A Methodology for Assessing the Cumulative Impact of a Mineral Transportation System on Air QualityBy E. Kumar, L. A. Kumar
"A methodology is proposed to develop an optimization model to understand the impact of transporting minerals, from mines to the final destination, on air quality. Recently, there has been increasing
Jan 1, 2017
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Book Gold Metallurgy in South AfricaBook Review Gold Metallurgy in South Africa, edited by R. J. Adamson and published by the Chamber of Mines of South Africa, Johannesburg, 1972. The metallurgical processes used for the recovery of gol
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Temperature-elevated hydration effect on stress behaviour of cemented paste backfillBy W. K. Ting, A. Hasan
Mine stope is typically backfilled with cemented paste backfill, which provides a regional underground stability and also a reduction of aboveground tailings accumulation. During backfilling, a phenom
Jan 30, 2026
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Short interval management system for improving mining efficiency by optimising mining processes with real time mining data APCOM 2021By J. Saunders, N. Pretorius, G. Krafft, T. P. Katakwa
Imagine being able to see all the future planned mining activities in real time. This is exactly what SIMS (Short Interval Management System) will enable you to do. SIMS is a real time short interval
Sep 1, 2021