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The Transition From Open Pit To Underground Mining: An Unusual Slope Failure Mechanism At Palabora
By Hao Li, Allan Moss, Richard K. Brummer
At the Palabora Mine, the transition to caving 400 m below the bottom of the 800 m deep pit resulted in a slope failure of the North wall that began in 2003, and is still mobile. This failure can be
Jan 1, 2006
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Ore Pass Practice In Canadian Mines
This paper reviews ore pass practice in some Canadian mines in Quebec and Ontario. In particular it reviews ore pass configuration, flow control mechanisms and monitoring practice. A review of the typ
Jan 1, 2005
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Occupational health and safety management tool
By T. Güyagüler, A. Güngör
Labour protection, that is prevention of occupational disease and reduction in the frequency of accident, has always been a matter of major concern of mining industry. Management and the government sh
Jan 1, 2003
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Determination of Value at Risk for Long-term Production Planning in Open Pit Mines in the Presence of Price Uncertainty
By M. Rahmanpour
"Mine planning is a multidisciplinary procedure that aims to guarantee the profitability of a mining operation in changing and uncertain conditions. Mine plans are normally classified as long-term, in
Jan 1, 2016
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Evaluation of Different Adsorbents for Copper Removal From Cobalt Electrolyte
By V. Yahorava
Ion exchange is considered to be an effective technology for the removal of various impurities from cobalt advance electrolytes. With the correct choice of resin, ion exchange can consistently remove
Jan 1, 2014
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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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Improved Flotation Performance At Karee Platinum Mine Through Better Level Control
By J. H. Schubert
Mintek has developed a level-control system, FloatStar, for use in flotation circuits. Instead of controlling levels separately in each unit, the controller monitors levels throughout the circuit. It
Jan 1, 1999
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The Use And Applicability Of Flow Models To Quantify Intermine Flow In The Western Witbank Coalfields
After the closure of collieries, they naturally start to fill up with water. As a result, hydraulic gradients develop between them and different hydraulic pressures are exerted onto peripheral areas o
Jan 1, 2005
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Some Aspects On Selective Dispersion Of Fine Particles With Special Emphasis On Egyptian Ground Calcium Carbonate
By F. H. Abd EL-Rahiem
A selective dispersion process is presented and the work carried out to find optimum process conditions to minimise the colouring material in ground calcium carbonate (GCC) is described. The feed mate
Jan 1, 2004
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The Use Of Neural Network Analysis Of Diagnostic Leaching Data In Gold Liberation Modelling
By K. R. P. Petersen
Paper written on project work carried out in partial fulfilment of M.Sc. Eng.(Metallurgical Engineering) degree The interrelationship between mineral liberation and leaching behaviour of a gold ore
Jan 1, 2003
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Spotlight On Inf Acon 80
By C. W. P. Finn
INFACON is of special significance to people in South Africa who are interested in ferro-alloys, because it was in South Africa that the idea of regular international congresses on ferro-alloys was co
Jan 1, 1981
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The Application Of Ausmelt Technology To Base Metal Smelting, Now And In The Future
By P. N. Vernon
Ausmelt top entry submerged lance technology offers a cost-effective means of carrying out a range of base metal smelting operations with minimum impact on the environment. The system is capable of
Jan 1, 1997
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Mine Haul Road Maintenance Management Systems
In surface mining operations, ultra-heavy trucks operate on haul road networks which are typically from 10?40 km in length. These road networks are often not optimally designed and maintained and as a
Jan 1, 2003
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Development And Test Of A Sociotechnical Model For Accident/Injury Occurrences In Underground Coalmines
By P. S. Paul
Mine accidents/injuries are complex and generally characterized by several factors, from technical to social characteristics. In this paper, a sociotechnical model for work injury in mines was develop
Jan 1, 2005
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A cleaner production assessment of the ultra-fine coal waste generated in South Africa - Synopsis
By J. F. Reddick
The South African coal mining industry is currently disposing of about 10 million tons of ultra-fine coal (<150 µm) per year. Once discarded, these sulphur-containing ultra-fines contribute to several
Jan 1, 2007
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Modelling And Assessment Of The Long-Term Leachate Generation Potential In Deposits Of Ferro-Chromiun Slags
The environmental impact of solid waste materials is closely linked to their potential to produce a hazardous leachate once deposited in a landfill. This potential is conventionally assessed with simp
Jan 1, 2000
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Setting The Scene: Rockpass Accident Statistics And General Guidelines For The Design Of Rockpasses
Records over the past ten years indicate that there is potential for serious multiple accidents due to engulfing associated with rockpasses. Significant attention is not usually given to the design of
Jan 1, 2005
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How Do Bacteria Interact With Minerals?
Sulphide minerals, such as pyrite and sphalerite, are leached by ferric sulphate. This reaction produces ferrous sulphate and other dissolved products. The ferrous sulphate is re-oxidized to ferric su
Jan 1, 2000
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Virtual reality applications in the Australian minerals industry
Virtual Reality (VR) simulations are excellent tools for training, education, simulation of abnormal and dangerous conditions in mines and solving complex problems. Although the concept of VR has been
Jan 1, 2003
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Application of an environmental valuation approach that incorporates externality costs in sustainability decision-making of the metallurgical sector - Synopsis
By M. Nyoka
Consideration of the economic, environmental, and social impacts associated with the life-cycle of a technology is of increasing importance for decision-making in industry. It has been suggested that
Jan 1, 2007