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The 'lock-up' of gold in run-of-mine mils at Randfontein Estates
By D. B. Paterson
In view of decreasing head grades, the relatively high gold price, and recent developments in metal evaluation, an exercise was initiated to determine the extent of gold concentration, the mode of occ
Jan 1, 1988
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Improvement of the Cobalt Process at the Chemicals of Africa (Chemaf) Usoke Plant – Effect of Seed Recycle
By Jo Katembo, Patty Bwando, Patient K. Ilunga, Yves Kalubi, Emman Mulaj
"From 2010, the dolomite concentration in the ore fed to the Usoke Plant increased, resulting in a significant increase in the gangue acid consumption and Mg build-up in the circuit, and thus an incre
Jan 1, 2015
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Hydraulic Hoisting Technology For Platinum Mines
By G. van den Berg
Anglo Platinum has initiated a project to investigate hydraulic hoisting technology for platinum mines. Hydraulic hoisting systems are categorized as pumping, fluidizing feeder or displacement feede
Jan 1, 2004
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Coatings To Retard The Formation Of Tarnish On Silver And Silver Alloys.
By M Scott, J J. McEwan
Silver and silver alloys tarnish readily by the formation of tarnish on the surface when exposed to a wide range of sulphur-containing atmospheres. This tarnish is unsightly and undesirable and can be
Jan 1, 2006
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Presidential Address: Truth and Error in Scientific Publishing
By R. T. Jones
"SynopsisScientific progress relies on the publication of ideas and experimental results that can be replicated, tested, and improved over time. The first printed book on metallurgy to have been publi
Jan 1, 2015
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Challenges And Solutions In PGM Furnace Operation: High Matte Temperature And Copper Cooler Corrosion
The key aspects of process metallurgy that distinguish platinum group metal (PGM) concentrate smelting from that of other base metal sulphide concentrates are presented. These differences include cons
Jan 1, 2012
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Keynote: Address: A tribute to Prof. D.G. Krige for his contributions over a period of more than half a century
By R. C. M. Minnitt, W. Dr. Assibey-Bonsu, F. A. Camisani-Calzolari
Born in Bothaville (OFS) on the 26th August 1919, Daniel G. Krige grew up in Krugersdorp on the West Rand. Hematriculated from Monument High School in Krugersdorpin 1934 at the age of 15 and graduated
Jan 1, 2003
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Case Studies Of Simultaneous Mining And Mineral Processing Optimization Applied To Platinum And Nickel Operations ? Synopsis
By S. Burks
This paper develops the themes explored by the authors at the Fourth International Platinum Conference,. Optimization techniques can be used to significantly increase the value of mining businesses by
Jan 1, 2013
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The determination of stable inter-pillar spans at Tau Lekoa Mine
Ground control problems in the form of large dome or wedge collapses have been experienced at Tau Lekoa Mine since production began. Crush pillars in various configurations have been used and through
Jan 1, 2003
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Development Of Alternative Techniques For Matte Level Measurements In Sulphide Smelting Furnaces
By B. van Beek, J. Ndlovu, K. T. Hara, J. M. A. Geldenhuis
This paper describes the development of an alternative technique for measuring the matte level height in sulphide smelting furnaces. The initial studies involved applying electrochemical oxygen probes
Jan 1, 2004
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Redox catalysts for Becher aeration
By S. Fletcher, C. Calle, K. Constanti-Carey, R. Ruzbacky, M. D. Horne
Laboratory test-work has established that two classes of redox catalysts based on anthraquinone and bipyridinium derivatives are effective in accelerating the rate of removal of metallic iron from red
Jan 1, 2003
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Numerical modeling of Hydro-Mechanical fracture behavior
By A. Pellegrino, F. Collin, C. Guiducci, R. Charlier
A numerical approach for modeling coupled Hydro-Mechanical fracture behavior in 2D is presented in this paper. This approach accounts for the strong dependence of the flow characteristics on fracture
Jan 1, 2003
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Underground Haulage Selection: Shaft Or Ramp For A Small-Scale Underground Mine
By B. Elevli
This paper deals with the selection of alternative accesses to a podiform chromite orebody in Turkey. The most important alternatives studied in a related project have been stated as a new vertical sh
Jan 1, 2002
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Teetered Bed Separators ? The Australian Experience
By R. Drummond
The fourth Teetered Bed Separator (TBS) has just been installed in Australia, and trials have been run in many sites. There is a growing recognition of the potential advantages of using TBS technology
Jan 1, 2002
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Rock cut slope stability analysis in Sinpal-Ildong region using distinct element method
By J. H. Rhee, H. B. Ku, J. S. Lee, H. J. Park, B. S. Jang
A large wedge failure had occurred in the study area which was under construction. Therefore, in order to analyze the potential instability for this rock slope, the authors conducted numerical analys
Jan 1, 2003
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Mineralogical Solutions For Pyrometallurgical Problems - Synopsis
By L. Andrews
Mineralogy, traditionally associated with concentrator studies, is being increasingly applied to problems in pyrometallurgy. Such investigations commonly make use of a number of techniques, and the re
Jan 1, 2011
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The Corrosion Behaviour Of Steel In Seawater
By H Möller
The purpose of this paper is to give an overview of the corrosion behaviour of steel in seawater. It is shown that the corrosion products (oxy-hydroxides and calcareous deposits) that are formed durin
Jan 1, 2006
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Application of Manufacturing Management and Improvement Methodologies in the Southern African Mining Industry
By J. O. Claassen
"A study conducted at 22 operating mines in the southern African region indicated that each mine employs about five management and improvement methods with roots in the manufacturing industry. All res
Jan 1, 2016
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South Africa's position in the world's supply of minerals
By B. G. Russell
A wide range of minerals is found within the Republic of South Africa, many of which are exploited to a greater extent than in similar deposits found elsewhere. It is often asked whether this is atrib
Jan 1, 1986
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Fluidized Bed Roasting Of Micro-Pelletized Zinc Concentrate: Part I?Pellet Strength And Roasting Kinetics - Synopsis
By S. Heukelman
Zinc or, a zinc refinery in South Africa, uses oxygen enrichment of up to 26% O2 in its fluidizing air to increase concentrate-throughput in its fluidized bed roasters. The aim of the study is to dete
Jan 1, 2011