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  • SAIMM
    Deformation Behaviour Of Rocks Under Compression And Direct Tension

    By X. Yu

    Although many investigations of the deformation behaviour of rocks have been carried out, most of them are carried out in compression. In all rock engineering practice it is usually assumed that the d

    Jan 1, 2005

  • SAIMM
    Non-Productive Principles Of Landscape Rehabilitation After Long-Term Opencast Mining In North-West Bohemia

    By P. Sklenicka

    Remediation of the environmental (and social) disturbances caused by opencast brown coal mining in the past in north-west Bohemia isa priority for state environmental policy. In order to provide a co

    Jan 1, 2004

  • SAIMM
    Australian Coal Preparation - A 2000 Review

    By A. Swanson

    The Australian coal industry has been subdued in recent years and only a few new plants have been constructed, but the drive for greater efficiency has seen continued technological developments. The p

    Jan 1, 2001

  • SAIMM
    Keynote Address: EPRI?s Global Coal Initiative

    By S. Dalton

    The use of coal for power generation is being questioned in many developed countries, as a result of ever-tightening environmental restrictions and concerns about the potential impact of CO2emissions

    Jan 1, 2001

  • SAIMM
    An Evaluation Of The Internal Application Of Pipeline Linings/Coatings - 1 Introduction

    By L C. Pretorius

    Pipe pigging is a technique for the in situ (field) coating application, to create a seamless internal anti-corrosive lining of long pipelines. The technology originated in the cleaning of pipes, and

    Jan 1, 2006

  • SAIMM
    Beneficiation Of A Feldspar Ore For Application In The Ceramic Industry

    By M. A. Amarante

    Beneficiation studies were conducted on a Portuguese feldspar ore, in order to obtain final products capable of being used in the ceramic industry. A simple scrubbing operation is enough to break the

    Jan 1, 1997

  • SAIMM
    Identification And Distribution Of Mineral Rents In Southern Africa

    By F. T. Cawood

    The definition of mineral rents has historically been somewhat unclear, but a growing understanding of the source and composition of the revenues that comprise these rents mean that they can be more e

    Jan 1, 2002

  • SAIMM
    Nitrogen Solubility In Molten CaO-SiO2 Slags

    By H. G. Oltmann

    The equilibrium nitrogen solubility in the CaO-SiO2system was studied by a slag-gas equilibration technique, in graphite crucibles at 1823K under a CO-N2 atmosphere. The nitrogen content of the slags

    Jan 1, 1999

  • SAIMM
    Reducing Accidents In The Mining Industry - An Integrated Approach

    By J. C. Jansen

    The platinum mining industry has experienced a significant increase in fatal accidents. Mine accidents are in principle preventable, and there is enormous pressure on employers to reverse this trend.

    Jan 1, 2005

  • SAIMM
    Lessons For The Future: The Origins And Legacy Of COMRO?s Hydraulic Technology Programme

    By T. E. Pogue

    This paper traces the co-operative initiative undertaken by South Africa?s gold mining companies through the Chamber of Mines Research Organization (COMRO) in development of hydraulic technologies. Af

    Jan 1, 2006

  • SAIMM
    Studies On The Bioleaching Of Refractory Concentrates

    By A. W. Breed

    The bioleaching of arsenopyrite, the oxidation of arsenate and the precipitation of ferric arsenate are competing reactions, hence their rates depend on the relative concentrations of the respective s

    Jan 1, 2000

  • SAIMM
    Trithiocarbonates For PGM Flotation (18e369b0-b921-4efe-bc90-4944b671f393)

    By C. F. Vos

    Small replacements of C12-trithiocarbonate (C12-TTC) for dithiocarbonate (DTC)/dithiophosphate (DTP) in a reagent suite for the flotation of platinum group metals (PGM) have significantly improved the

    Jan 1, 2007

  • SAIMM
    Performance Enhancement Tools For Grinding Mills

    By W. Valderrama, D. G. Almond

    Operation of large SAG mills requires a change in the conceptual approach to grinding processes. The traditional energy consumption criteria are now enhanced with new criteria derived from the mechani

    Jan 1, 2004

  • 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
    Project Delivery In The Mining Industry - Options And Trends

    By B. McCosker

    The choice of the appropriate delivery process for a project is often not adequately thought about. The industry needs to be prepared to break its preconceived mind-sets on delivery procedures. Indust

    Jan 1, 2002

  • SAIMM
    Quadratic Programming For The Multi-Variable Pre-Homogenization And Blending Problem

    By M. Kumral

    Raw material fed into a processing or refining plant is required to be uniform in composition for several reasons. When the mined ore is highly variable in quality the only way to ensure consistency i

    Jan 1, 2005

  • 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
    Study on the coal gas pressure dynamic distribution law ahead of tunnelling - Synopsis

    By Li-ming Qi

    During mining, the stress in the coal face varies, and, at the same time, the gas flows from the coal body into the excavation, which will cause the gas pressure to change continuously. Assuming the c

    Jan 1, 2007

  • SAIMM
    Recommendations For Site Investigation, Design, Construction, Testing, Monitoring And Maintenance Of Permanent Intruded Concrete Plugs

    By G. S. Littlejohn

    Following study of historical South African practice and a review of recent experience gained during the design, construction and testing of the high pressure plugs at the South Deep Water Barrier Pro

    Jan 1, 2006

  • SAIMM
    An Investigation Into The Moisture Absorption Properties Of Thermally Dried South African Fine Coal

    The aim of this research was to study the absorption characteristics of thermally dried fine coal from South African collieries. After milling to ?150 µm and pressure filtration, the samples were subj

    Jan 1, 2002