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Mortimer Smelter: Operations Description
By C. Sima, M. Legoabe
Keywords: Pyrometallurgy, furnace, platinum Mortimer Smelter is one of the three smelting operations in the Anglo Platinum Group. It is located in the Limpopo Province, approximately 100 km north
Jan 1, 2006
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Enhancement of Profitability of Central African Copperbelt Operations using Direct Cobalt Electrowinning Process
By N. Mulaudzi, S. Archer
"Direct cobalt electrowinning was developed to produce unrefined cobalt metal as an alternative to producing a mixed hydroxide product (MHP), which is the common cobalt intermediate product in African
Jan 1, 2015
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Energy-Saving Flotation Equipment
By N. F. Mescheriakov
New mechanical and pneumatic-mechanical flotation machines with axial impellers have been developed. Industrial tests show that these machines ensure lower power expenditure (on flotation) by 1.5-2.0
Jan 1, 1998
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A Comparison of Test Procedures for Estimating the Bond Ball Work Index on Zambian/DRC Copper–Cobalt Ores and Evaluation of Suitability for Use in Geometallurgical Studies
By Elizma Ford, Vincent Sithole
"Two shortened test procedures for estimating the Bond ball work index are compared for suitability of use on Zambian/DRC-type copper–cobalt ores. The first procedure is based on a batch milling test
Jan 1, 2015
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Effect of Yield Strength on Wear Rates of Railway Wheels
By J. W. van der Merwe, A. S. Bolokang, M. J. Phasha, V. J. Matjeke, C. Moopanar
"Excessive wear rates on railway wheels can result in rolling-stock derailments. If wear is detected early the possible derailments can be prevented by prematurely replacing wheelsets, although the in
Jan 1, 2016
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Lessons Learnt From Heap Leaching Operations In South America - An Update
By B. Ulrich
The basis of this paper is a compilation of work in the design and construction of copper heap leach facilities, and interviews with various heap leach operations personnel in Chile and Peru. The purp
Jan 1, 2003
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Compliance With International Environmental Standards And Expectations: Review Of International Developments - Introduction
By J. Glazewski
The mining industry in South Africa has developed its own environmental guidelines in the form of an Aide-Mémoire1,which is an extension of the previous rehabilitation provisions to include all aspect
Jan 1, 2000
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Estimating the in-situ mass strength and time to failure of coal pillars in bord-and-pillar workings
By J. A. Taylor, R. J. Fowell
Abstract: The amount of published literature pertaining to the field of rock mechanics has increased markedly in recent years. Whilst computer applications aid our understanding of the mechanisms of
Jan 1, 2003
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Breakage mechanisms and an encouraging correlation between the Bond parameters and the friability value ? Synopsis
By H. T. Ozkahraman
It is important to know the breakage mechanism in materials since this knowledge influences the results of subsequent grinding operations. There are two distinct failure mechanisms in breakage: one is
Jan 1, 2010
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Integration Of The Mining Plan In A Mining Automation System Using State-Of-The-Art Technology At De Beers Finsch Mine
By D. J. Burger
This paper will highlight the system components of a successful underground mining automation project recently launched at DeBeers Finsch Mine. It will also show that integration of short-term mine pl
Jan 1, 2006
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Survey And Geotechnical Slope Monitoring Considerations
By 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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Outsourcing Of Professional Services
Outsourcing of specialist and non-continuous services is common practice in international mining operations. There is an increasing trend towards this practice in South Africa as a result of the major
Jan 1, 1999
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A Long Hole Stoping System For Mining Narrow Platinum Reefs - Introduction
By P. van Dorssen
In South African metalliferous mines, stoping operations are largely confined to narrow, tabular orebodies making mechanization extremely difficult. Limited flexibility in terms of stope width has nec
Jan 1, 2002
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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 and testing of a vehicle collision avoidance system based on GPS and wireless networks for open-pit mines
By A. Nieto
A vehicle proximity warning–collision avoidance system is being developed using GPS and wireless local area networks to improve safety of off-highway trucks in open pit mines. After two-and a-half yea
Jan 1, 2003
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Post-Mining Land Use Opportunities in Developing Countries?A Review
By D. Limpitlaw
The origins of mine closure practice have influenced the way in which it is implemented by companies and regulators. Mine closure practices essentially started developing in the 1970s in countries wit
Jan 1, 2014
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The Standard Reactivity Test As A Measure Of Lime?s Quality
By J. H. Potgieter
The method used to assess the reactivity of lime was evaluated to gauge it usefulness as a quality control tool. The effect of particle sizes, different lime and water masses for a fixed s:l ratio and
Jan 1, 2002
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Microstructure Evolution In Ti-6Al-4V Alloy During Hydrogen Dosing At Elevated Temperature - Synopsis
By L. A. Matthews
The embrittlement of the Ti-6Al-4V alloy by hydrogen dosing at elevated temperature has been investigated. Metal coupons were subjected to isothermal treatments in a partial hydrogen atmosphere in the
Jan 1, 2011
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A New Royalty For South African Mineral Resources
By F. T. Cawood
The new South African Mineral Policy has major implications on the way mineral rent will be collected and shared between the stakeholders in future. Although the policy does not supply details on how
Jan 1, 2001
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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