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The Dual-Electrode DC Arc Furnace ? Modelling Insights
By Q. G. Reynolds
Keywords: Pyrometallurgy, furnace, DC, reverse polarity, dual-electrode The dual-electrode direct current (DC) arc furnace uses two graphite electrodes, one connected as cathode, and one as anode.
Jan 1, 2011
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Experiments on stope closure as a diagnostic measure of rock behaviour
By D. F. Malan, M. Grave, J. A. L. Napier
Previous fundamental research projects have indicated the value of continuous closure measurements in deep tabular excavations for improved support design, hazard assessment and for quantifying the ef
Jan 1, 2003
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Metal Accounting In The Platinum Industry: How Effective Is It? - Synopsis
The AMIRA Code of Practice and Guidelines for Metal Accounting was developed in response to demand from a number of sponsor companies, including one major platinum producer. Since its publication in 2
Jan 1, 2013
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A review of information on the influence of plan curvature on rock slope stability and its effect on the volume of wedge failures
By R. Armstrong
The stability of rock slopes is significantly influenced by their curvature in plan view. The importance of this in open pit mining is indicated by the fact that, in a deep pit, steepening of the slop
Jan 1, 2003
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Occupational Health And Safety Risks Associated With Sulphur Dioxide
By C. J. Badenhorst
Oxides of sulphur are corrosive and are produced when sulphur-containing fuels are burned. Sulphur dioxide (SO2) is a colourless gas with a characteristic, irritating, pungent odour. Exposure routes t
Jan 1, 2007
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A basic triboelectric series for heavy minerals from inductive electrostatic separation behaviour ? Synopsis
By D. N. Ferguson
The separation of certain minerals by electrostatic techniques can be difficult due to their similar electrical conductivity, and any technique to improve this can be useful in certain difficult separ
Jan 1, 2010
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Energy considerations in the current PGM processing flowsheet utilizing new technologies ? Synopsis
By C. M. Rule
Energy efficiency is currently a significant area of interest due to the Eskom power situation, which led to severe power impacts to the PGM, and indeed whole SA primary industries, in early 2008. An
Jan 1, 2009
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Hard Rock Cutting And The Development Of A Continuous Mining Machine For Narrow Platinum Reefs - Introduction
By R. G. B. Pickering
The hard rock gold and platinum mines in South Africa have seen little development in the technology of mining. Holes are still drilled in the rock?though the latest water hydraulic rockdrills will co
Jan 1, 2002
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Innovative And Safe Copper Launder Design
By B. Leong, H. Joubert
Keywords: Pyrometallurgy, furnace, auxiliary equipment, copper slag launders Pyromet has designed copper launders for tapping slag. What makes Pyromet?s launder design innovative and safe is that
Jan 1, 2006
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Winning Paper: Optimization Of A Raiseline At Mponeng Mine
By N. Ragoonanthun
Paper written on project work carried out in partial fulfilment of B.Sc. (Mining Engineering) degree This report investigates the optimization of a raiseline in order to open up the ore reserve qui
Jan 1, 2003
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Probabilistic modelling of lithological domains and its application to resource evaluation - Synopsis
The modelling of lithological domains is a critical step in mineral resource and reserve evaluation. Deterministic models rely on an interpretation of the available drill hole data and expert knowledg
Jan 1, 2007
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Use A Cansolve SO2 Scrubbing System To Better Link Your Batch-Operated Furnace With Its By-Product Sulphuric Acid Plant
By P. Roy
Smelting or converting of sulphide concentrates and mattes in a batch operation presents a challenge when directing the off- gas to a conventional acid plant. The Hindustan Zinc Ltd. (a division of th
Jan 1, 2007
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Increasing The Capacity Of The Grinding Circuits Without Installing More Mills
By Godofredo F. Barrios
For years urethane screen surfaces have been used in a wide range of wet screening applications where openings from as fine as 100 microns and coarser have been used. The purpose of this paper i
Jan 1, 2007
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Use a Can solve SO2 scrubbing system to better link your batch-operated furnace with its by-product sulphuric acid plant - Synopsis
By P. Roy
Smelting or converting of sulphide concentrates and mattes in a batch operation presents a challenge when directing the off- gas to a conventional acid plant. The Hindustan Zinc Ltd. (a division of th
Jan 1, 2007
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Comparison Between Artisanal and Smallscale Mining in Ghana and South Africa: Lessons Learnt and Ways Forward
By A. A. Debrah
Artisanal and small-scale mining (ASM) plays a fundamental role in the national and local economies of resource-rich countries in Africa. As such, more effort must be geared towards fostering this typ
Jan 1, 2014
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The Ultimate Screener - Introduction
By R. Dass
Paper written on project work carried out in partial fulfilment of B. Sc Eng (Extractive Metallurgy) degree Screening is an industrial process that splits material at a specific cut size into one f
Jan 1, 2004
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The Design Of Stable Stope Spans For Shallow Mining Operations
By A. H. Swart
Unplanned stope panel collapses occur on most near-surface and shallow mines in South Africa. Although these incidents often occur during blasting, they pose a major threat to the safety of undergroun
Jan 1, 2005
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Geotechnical risk assessment of an underground magnesite mine
By T. Frömmer, H. Wagner
An inter-disciplinary geotechnical study has been carried out in an Austrian magnesite mine. The paper describes the how geological data, in situ and laboratory tests as well as subjective, empirical,
Jan 1, 2003
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Development Of Modified Gas Indices For Early Detection Of Spontaneous Heating In Coal Pillars
By D. C. Panigrahi
Extensive field studies have been carried out to investigate the pillar fire problems in one coal mine in India. A Thermal IR gun and a Thermovision camera have been employed for thermal scanning to a
Jan 1, 2004
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Comment On The Paper ?Neutralization Of Bioleach Liquors? By B.M. Nyombolo, J.W. Neale, And P.J. Van Staden - In The Journal Of SAIMM, Vol. 100. No. 7. Pp. 403?408
By J. M. Schaekers
In the first part of the article, the authors give a broad overview of the chemistry and some engineering aspects of bioleach processes, eventually leading to the important and critical issue of the s
Jan 1, 2001