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Analysis Of Transport Phenomena In Submerged Arc Furnace For Ferrochrome Production
Ferrochrome is the major chromium source for stainless steel production, and submerged-arc furnaces (SAF) are most commonly utilised to smelt chromite ores into ferrochrome by using suitable carbonace
Jan 1, 2004
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Experimental Model Study For Separation And Dissolution Of Liquid Inclusions At The Interface Between Steel And Slag
By M. Magnelöv, Du Sichen, U. Sjöström
An experimental study has been performed to investigate the behaviour and separation of inclusions at the interface between steel and slag. The study has been limited to liquid inclusions because they
Jan 1, 2004
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Bioleaching Of Base Metal Sulphide Concentrates: A Comparison Of High And Low Temperature Bioleaching
By D. W. Dew
Billiton Process Research has carried out extensive research over the past four years to develop new process technology using bioleaching for extraction of copper and nickel from their sulphide concen
Jan 1, 2000
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Separation Of Nickel And Cobalt From Calcium, Magnesium And Manganese By Solvent Extraction With Synergistic Mixtures Of Carboxylic Acids
By A. C. du Preez
The separation of nickel and cobalt from calcium, magnesium and manganese by solvent extraction using synergistic mixtures of carboxylic acids was studied. Addition of certain viable synergists to com
Jan 1, 2004
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Annual Report - For The Year Ended 30th June, 1999
Council for 1999/2000 President J.R. Dixon President Elect M.H. Rogers Vice Presidents Senior Dr L.A. Cramer Junior A.A.B. Douglas Immediate Past President R.P. Mohring Ho
Jan 1, 1999
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The Transformation Of Ferrochromium Smelting Technologies During The Last Decades
By J. Daavittila, P. Jokinen, M. Honkaniemi
In the latter part of the 1980?s Outokumpu Chrome in Tornio, Finland, was in a situation when its twenty-year-old ferrochrome plant was becoming inefficient to sustain economically sound production. T
Jan 1, 2004
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Activity Based Costing: Challenging The Way We Cost Underground Coal Mining Systems
By G. H. Lind
This paper discusses the traditional costing approach currently used in the underground coal mining industry. Activity Based Costing (ABC) is identified as being a potentially more effective manner in
Jan 1, 2001
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Multicriteria Choice Of Ore Transport System For An Underground Mine: Application Of PROMETHEE Methods
By B. Elevli
The aim of this paper is to demonstrate the implementation of multicriteria analysis in selection of the most suitable underground ore transport system for a chromite mine in Turkey. The related probl
Jan 1, 2004
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Sawability Prediction Of Carbonate Rocks From Brittleness Indexes
By O. Gunaydin
Performance measurements of large-diameter circular saws were conducted on eight different carbonate rocks in marble factories located in some areas of Turkey. Rock samples were collected from these f
Jan 1, 2004
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Investigations Into The Effect Of Discontinuities On The Strength Of Coal Pillars
The major proportion of South African coal is extracted by the bord-and-pillar mining method which requires that the overlying strata be supported by pillars of coal. The stability of the pillars is a
Jan 1, 1997
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First Cycle Experience Of A Business Process Re-Engineering Programme At Shabanie Mine
By C. Musingwini
In the past ten to fifteen years, many organizations have applied business process re-engineering (BPR) to significantly improve their business competitiveness or stave off closures. The mining indust
Jan 1, 2005
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Practical Aspects Of The Ventilation Of High-Speed Developing Tunnels In Hot Working Environments
The excavation of ramps and tunnels often requires high-speed development with (or without) the use of high-energy mining equipment such as loaders, dump trucks, TBMs and roadheaders. This high-spee
Jan 1, 2000
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South African Coal Pillar Database
By J. N. Van der Merwe
The research described in the paper was aimed at providing standardized information of cases of failed and intact coal pillars in the form of databases to researchers. It also offered the opportunity
Jan 1, 2006
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Annual Report - For The Year Ended 30th June, 2002
Council for 2001/2002 President A.A.B. Douglas President-elect S.J. Ramokgopa Vice-presidents Senior F.M.G. Egerton Junior Prof. T.R. Stacey Immediate Past-president Dr L.A. Cra
Jan 1, 2002
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Melting Of Platinum Group Metal Concentrates In South Africa
By J. Nell
An overview is given of the matte melting process used for the beneficiation of South African platinum group metal (PGM) ores. Most producers use six-electrode furnaces to melt the concentrate and Pie
Jan 1, 2004
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Reductant Selection In Ferro-Alloy Production: The Case For The Importance Of Dissolution In The Metal
The typical reactions which the reductants undergo during ferroalloy production are reviewed, and identified as reaction with CO2 and with SiO, and dissolution in metal. Available reactivity tests for
Jan 1, 2002
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Interaction Between The Block Cave And The Pit Slopes At Palabora Mine (9bc522bc-fe6d-493d-b039-b6a950e034a4)
By A. Moss
The Palabora Mining Company has successfully extended the life of its operation by developing a 30 000 tpd block cave underground mine below the now closed open pit. The process of transitioning from
Jan 1, 2006
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Analysis for pillar extraction potential (A-PEP)—a risk-based program for underground coal mining
By G. H. Lind
Research into the safe and economic extraction of underground coal pillars in the Witbank and Highveld coalfields of South Africa highlighted that future practices will have to consider pertinent risk
Jan 1, 2003
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Development Of A Risk-Based Mine Closure Cost Calculation Model
By A. du Plessis
The study summarized in this paper focused on expanding existing South African mine closure cost calculation models to provide a new model that incorporates risks, which could have an effect on the cl
Jan 1, 2006
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Durability and Subzero Temperature Effects on Argillaceous Clastic Rocks
By G. Dhakal, J. -I. Kodama, K. Neaupane, T. Yoneda
ABSTRACT Durability tests and evaluation of sub-zero temperature effects to some argillaceous clastic rocks were carried out. Welded tuff, limestone, sandstone and schist samples collected from di
Jan 1, 2003