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Development And Implementation Of A Novel Pressure Leach Process For The Recovery Of Cobalt And Copper At Chambishi, Zambia
By E. Munnik
The Chambishi Metals Cobalt Plant in Zambia has recently installed a novel oxidation/precipitation pressure leach process as part of the COSAC (CObalt from Slag And Copper as by-product) Project. Anir
Jan 1, 2003
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The State of Mine Closure in South Africa – What the Numbers Say
By M. Olalde, I. Watson
"The consequences of ineffective mine closure in South Africa are evident from the number of abandoned mines and operations on extended care-and-maintenance, the on-selling of mines to less well-resou
Jul 1, 2019
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Observations Of Behaviour Of Oxide Inclusions At Molten Slag/Steel Interfaces
By Y. Wang, S. Sridhar, B. Coletti, G. N. Shannon, S. Vantilt
The final removal of inclusions in the ladle, tundish, and mold in a continuous casting process involves the kinetic steps of liquid film drainage, interface rupture, and absorption of the inclusion i
Jan 1, 2004
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Coal Pillar Extraction Experiences In New South Wales
By G. H. Lind
New South Wales has a successful history of pillar extraction stretching back more than 60 years. Various methods of pillar extraction ranging from the rib pillar methods (such as the Wongawilli syst
Jan 1, 2002
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Chromite?A Cost-Effective Refractory Raw Material For Refractories In Various Metallurgical Applications
By N. McEwan
Keywords: refractories, chromite, Marico This paper examines the role of refractory-grade chromite in refractories. The chromite deposit at Verref?s Marico Chrome mine is described. The refractory
Jan 1, 2011
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Oxidative Precipitation Of Fe And Mn By Air/So2
By Michelle Mouton, Johanna van Deventer, Jussi Vaarno
Mintek has been involved in numerous projects to remove Fe and Mn from dilute Co sulphate solutions by means of oxidative precipitation using air/SO2. Test work was done using a gas induction system,
Jan 1, 2007
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An Overview Of Sampling Best Practice In African Mining
By I. C. Spangenberg
The status of sampling practices in the gold mining industry in Africa was determined as an initial step in a process to standardize sampling practices in the mining industry. Twenty-one gold mines, t
Jan 1, 2014
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Modelling open pit shovel-truck systems using the Machine Repair Model - Synopsis
By A. Krause
Shovel-truck systems for loading and hauling material in open pit mines are now routinely analysed using simulation models or off-the-shelf simulation software packages, which can be very expensive fo
Jan 1, 2007
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A Practical Approach To Plant-Scale Flotation Optimization - Synopsis
Decision-making regarding plant-scale reagent dosage regimes and air rates is a topic of ongoing investigation and high importance. The current work explains some techniques that have proven useful in
Jan 1, 2013
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Survey Slope Stability Monitoring: Lessons From Venetia Diamond Mine
By F. T. Cawood, M. A. Jooste
This paper describes the survey monitoring processes at Venetia, which are discussed under visual inspections, ad hoc investigations, system monitoring and slope stability radar monitoring. This is fo
Jan 1, 2006
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Increasing Capacity And Productivity In The Metals Markets Through Pneumatic Conveying And Process Injection Technologies - The Southern African Institute Of Mining And Metallurgy
By Mark Coleman
Pnuematic Conveying and Process Injection Technologies have been implimented in the metals markets for the last 40 years and have consideribly improved the productivity and the performance of many pro
Jan 1, 2008
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Management Of A Major Slope Failure At Nchanga Open Pit, Chingola, Zambia
By W. A. Naismith
On 16 July 2004, at 07:10 a collapse of about 1.8 million m3 (about 4 ½ million tons) took place on the north wall on Nchanga Open Pit. This collapse was the result of a developing instability that wa
Jan 1, 2005
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List of Papers Published by Danie Krige From 1951?2001
1. A statistical approach to some mine valuation and allied problems on the Witwatersrand. Unpublished Master?s Thesis, University of the Witwatersrand ? 1951. (Separate) 2. A statistical approach to
Jan 1, 2014
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Virtual Reality For Mine Safety Training In South Africa
By A. P. Squelch
The high incidence of accidents and fatalities in the South African mining industry, in particular those associated with falls of ground, is often attributed to ineffective and/or inappropriate traini
Jan 1, 2001
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Various Techniques To Produce Low Carbon Ferrochrome
By A. M. Ghodgaonkar, P. J. Bhonde, R. D. Angal
Primarily ferrochrome is used to introduce chromium into steels and alloys. Chromium enhances hardness, hardenability, corrosion, abrasion and wear resistance of the steel. High carbon ferrochrome
Jan 1, 2007
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Alternative Routes To Stainless Steel ? A Life Cycle Approach
A Life Cycle Assessment (LCA) of stainless steel production, including that of the nickel, ferronickel, ferrochromium and iron feedstocks was carried out using inventory data derived from the literatu
Jan 1, 2004
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Mine Closure From A Legal Perspective: Do The Provisions Of The New Mineral And Petroleum Resources Development Act And Draft Regulations Make Closure Legally Attainable?
By C. Dixon
The Abandoned Mine by C.C. Woollacott A heap of rocks marks the abandoned mine. The veld's unpitying silence lies around. Those broken stone?a mute and mournful sign Of human enterprise with fail
Jan 1, 2003
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Metallurgical Accounting In The Northparkes Concentrator - A Case Study (00982089-f990-4df9-a84d-f2282567e0f0)
By W. M. Jansen
In many mineral processing operations, the reported production figures for an accounting period may not make the best use of available data. While most of the mathematical approaches, such as check-in
Jan 1, 2007
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Factors affecting nickel recovery from slags produced during platinum smelting
By L. Andrews
Nickel is recovered as a by-product of the platinum-producing process operated by Anglo Platinum. The metal is mined mainly as sulphide minerals contained in platinum ores. These pass through the conc
Jan 1, 2004
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Recent Developments In Physico-Chemical Characterisation And Modelling Of Ferroalloy Slag Systems
By S. Sun
Recent studies on the physico-chemical properties of molten slags and oxide solid solutions of interest is reviewed. The review covers redox and phase equilibria in slags, viscosity, diffusivity, elec
Jan 1, 2004