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  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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

  • SAIMM
    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