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On the role of slag in the oxygen converter processBy H. Jalkanen, L. Holappa
The main role of slag in oxygen converter processes is to absorb the non-volatile oxidation products of hot metal impurities, Si, P, Mn, Ti, V, etc. The importance of converter slag as deP and de Smed
Jan 1, 2004
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Characterization Of The Leaching Properties Of A Uranium Leaching PulpBy J. Roodt
Paper written on project work carried out in partial fulfilment of B. Eng (Metallurgical Engineering) degree This work was done to characterize the leaching of a uranium containing pulp processed b
Jan 1, 2003
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Pilot-Plant Solvent Extraction Of Cobalt And Nickel For Avmin?s Nkomati ProjectBy A. Feather
Avmin have developed a flowsheet for the refining of copper, nickel and cobalt from Nkomati concentrates. Cobalt is recovered from calcium-saturated solution using Cyanex® 272. Nickel is subsequently
Jan 1, 2002
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Construction Of Permanent Intruded Plugs At South Deep Gold MineBy D. A. Bruce
The paper describes the construction of 5 plugs to resist high water heads at depth within the South Deep Gold Mine, Randfontein, South Africa. A total of 20 segments were involved to create these plu
Jan 1, 2006
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Research into fire fighting and fire prevention in South AfricaBy A. Whillier
The decisive action taken by mine managements in recent years has been the main factor in bringing about the present downward trend in mine fires. A better understanding of the fundamental factors tha
Jan 1, 1981
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Multicriteria Selection For An Alumina-Cement Plant Location In East Azerbaijan Province Of IranOne of the most important factors leading to the success of a cement plant is its location. A multicriteria decision-making method is used to rank alternative plant locations. The set of criteria is e
Jan 1, 2005
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Development Of The Density Distribution Model In A Gas-Solid Phase Fluidized Bed For Dry Coal SeparationBy Y. He
The nature of the density distribution in a gas-solid phase fluidized bed for dry coal separation is an important factor in influencing the performance. However, during coal processing, fine slime wou
Jan 1, 2002
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Case Study Of The Rockpass System At Kloof No. 3 ShaftBy R. Hart
In this paper, problems that have been experienced with the rockpass system at Kloof Mine No. 3 Shaft are described. Actions that have been taken to overcome the problems are also described. These inc
Jan 1, 2006
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Survey And Geotechnical Slope Monitoring ConsiderationsBy F. T. Cawood
Monitoring of the slopes of surface mines can prevent loss of life, loss of equipment, loss of production and possibly the loss of the mine. The effectiveness of such monitoring depends on the extent
Jan 1, 2006
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Kinetic Studies On The Leaching Reactions In The Autoclave Circuit Of The Tati Hydrometallurgical Demonstration PlantBy B. D. Paphane
Since the commissioning of the Tati Hydrometallurgical Demonstration Plant (HDP), which produces Ni and Cu cathodes as well as Co salt from sulphide concentrate employing Activox® technology for leach
Jun 1, 2013
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Mud Rushes And Methods Of Combating ThemBy R. Butcher
Mud rushes are hazardous occurrences that have occurred frequently in mines in South Africa, and have been the cause of numerous fatalities in the past. Mud rush incidents not associated with accident
Jan 1, 2005
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The Use Of Steel Fibre Reinforced Shotcrete For The Support Of Mine OpeningsBy M. Vandewalle
What separates the support of mining openings from the support of similar civil engineering structures is the fact that mine openings have to survive large deformations as a result of changing stress
Jan 1, 1998
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Annual Report - For The Year Ended 30th June, 2000Council for 1999/2000 President M.H. Rogers President Elect Dr L.A. Cramer Vice Presidents Senior A.A.B. Douglas Junior S.J. Ramokgopa Immediate Past President J.R. Dixon Hon
Jan 1, 2001
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Rate Of Reoxidation Of Ultra-Low Carbon Steel In Contact With Slag Of Various CompositionsBy K. Y. Lee, J. M. Park, C. W. Park
Laboratory-scale experiments were carried out to investigate the effect of ladle slag composition on the decreasing behaviour of aluminum content in steel, i.e., reoxidation of molten steel in contact
Jan 1, 2004
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Sulphuric Acid Leaching Of Zinc And Copper From Nigerian Complex Sulphide Ore In The Presence Of Hydrogen PeroxideBy P. A. Olubambi
The leaching of zinc and copper from Nigerian bulk sulphide ore with sulphuric acid in the presence of hydrogen peroxide was studied. The aim of the study was to investigate the effectiveness of hydr
Jan 1, 2006
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A Historical Perspective On The Economics Of The Ownership Of Mineral Rights OwnershipBy F. T. Cawood
?It is in the interest of stability and investor confidence that the healthy and necessary debate on such a (minerals) policy should soon find its way to consensus.? (President Nelson Mandela at the10
Jan 1, 1998
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Solid State Reduction Of Chromite With CoBy M. Reuter, C. Schuffeneger, T. Seppälä, L. Holappa
Reaction kinetics of solid-state reduction of chromite pellets (laboratory made and industrial) and lumpy ore was investigated by the thermogravimetric analysis (TGA) technique. Carbon monoxide was us
Jan 1, 2004
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Development Of An Empirical Model Of A Nickeliferous Chromite Leaching System By Means Of Genetic ProgrammingBy D. J. Greeff
By making use of genetic programming, empirical models for metallurgical processes can be evolved that are more cost-effective than models determined by means of classical statistical techniques. Thes
Jan 1, 1998
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Bateman Mega DMS Modules- Successes And Challenges - IntroductionBy N September, R Abate
Bateman Modular (previously Van Eck and Lurie) has been building and supplying the mining industry with modular DMS plants for the last 30 years. These DMS modules range in capacity from 1 tph to 200
Jan 1, 2006
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Electrical Energy Management In The Ferroalloy BusinessBy P. J. Brereton-Stiles, M. S. Rennie, N. Singh
Ferroalloy producers are large-scale users of electrical energy, which in many countries is in short supply and increasingly expensive. Preheating and/or pre-reduction using natural gas, recycled furn
Jan 1, 2004