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  • SAIMM
    Reflections on destress blasting for deep level hardrock mining: Key considerations for successful application of the techniques

    By C. Yi, M. Onifade, B. Genc, S. Dineva, T. Zvarivadza, M. Khandelwal

    Deep hardrock mines worldwide increasingly face rockbursts as mining depths increase. These events result from the accumulation and sudden release of stress, causing rockmass damage and posing major s

    Jun 27, 2025

  • 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
    Case Studies Of Simultaneous Mining And Mineral Processing Optimization Applied To Platinum And Nickel Operations ? Synopsis

    By S. Burks

    This paper develops the themes explored by the authors at the Fourth International Platinum Conference,. Optimization techniques can be used to significantly increase the value of mining businesses by

    Jan 1, 2013

  • SAIMM
    Coal pillar loading systems

    By J. N. Van der Merwe, D. P. Roberts

    The two components of pillar design formula being used in South Africa are pillar strength and pillar load. While considerable effort has been directed to the determination of pillar strength, the oth

    Jan 1, 2003

  • SAIMM
    Underground Haulage Selection: Shaft Or Ramp For A Small-Scale Underground Mine

    By B. Elevli

    This paper deals with the selection of alternative accesses to a podiform chromite orebody in Turkey. The most important alternatives studied in a related project have been stated as a new vertical sh

    Jan 1, 2002

  • SAIMM
    Challenges And Solutions In PGM Furnace Operation: High Matte Temperature And Copper Cooler Corrosion

    The key aspects of process metallurgy that distinguish platinum group metal (PGM) concentrate smelting from that of other base metal sulphide concentrates are presented. These differences include cons

    Jan 1, 2012

  • SAIMM
    Optimisation of pit to sag mill network using mixed integer linear programming APCOM 2021

    By Z. Saw, C. Poveda, N. L. Mai

    Optimising the throughput of a mining network comprising all equipment from shovels to semi-autogenous grinding (SAG) mills is a complicated task, yet the potential benefits can be significant. Key mo

    Sep 1, 2021

  • SAIMM
    Refinery effluent water reduction and treatment

    By S. Pule, Z. Ndabezimbi, A. Hefer, E. Cupido

    This article outlines various projects implemented at Rand Refinery to reduce effluent generation and freshwater consumption. The refinery generates about 2800 m³ of effluent annually and has initiate

    Mar 5, 2025

  • SAIMM
    A new preconcentration technique for the determination of PGMs and gold by fire assay and ICP-OES

    By F. Rwere, A. Masasire, P. Dzomba, M. Mupa

    Accurate determination of platinum group metals (PGMs) and gold (Au) has always proven to be a difficult task, due to their low concentrations in platiniferous ores. The most common preconcentration t

    Jan 2, 2022

  • SAIMM
    Statistics or geostatistics? Sampling error or nugget effect? - Synopsis

    What is a nugget effect? In the early development of geostatistics, the term ?nugget effect? was coined for the apparent discontinuity at the beginning of many semivariogram graphs. This name was chos

    Jan 1, 2010

  • SAIMM
    Design and manufacturing of a teleoperated excavator platform APCOM 2021

    By M. Salimov, J. Sattarvand

    The conventional visualisation method of remote equipment is through the installation of one or more cameras on the machine, and sending a live feed to the operator’s flat display. However, the perfor

    Sep 1, 2021

  • SAIMM
    Improvement of the Cobalt Process at the Chemicals of Africa (Chemaf) Usoke Plant – Effect of Seed Recycle

    By Jo Katembo, Patty Bwando, Patient K. Ilunga, Yves Kalubi, Emman Mulaj

    "From 2010, the dolomite concentration in the ore fed to the Usoke Plant increased, resulting in a significant increase in the gangue acid consumption and Mg build-up in the circuit, and thus an incre

    Jan 1, 2015

  • SAIMM
    Copper Mining in Zambia - History and Future (VOLUME 116)

    By J. Sikamo, A. Mwanza, C. Mweemba

    "The Zambian copper mining industry as we know it today had its genesis in the 1920s. Consistent private sector-driven investment in the industry over a period of over 50 years in exploration, mine de

    Jan 1, 2016

  • SAIMM
    Application of Manufacturing Management and Improvement Methodologies in the Southern African Mining Industry

    By J. O. Claassen

    "A study conducted at 22 operating mines in the southern African region indicated that each mine employs about five management and improvement methods with roots in the manufacturing industry. All res

    Jan 1, 2016

  • SAIMM
    Intelligent Gearing System - Solution To Understand And Correct Operational Conditions That Reduce he Fatigue Life Of A Girth Gear

    By David Brown, Dirk van Dyk

    Horizontal rotating mills are being used all over the world associated with different mineral and power generation industries. David Brown South Africa, with over 140 years of experience in gear manuf

    Jan 1, 2007

  • SAIMM
    Mine Planning (d3a3d1a4-3eb5-42a0-a100-700eebbf2b48)

    "Chairman: Professor J. Elbrond Rapporteur: Miss V. E. MartingPapers.Aids to planning production in coal mines by F. H. Deist and M. P. RobertsCapacity calculations, investment allocation and long-ran

    Jan 1, 2014

  • SAIMM
    Reaction Mechanisms Of Charcoal And Coke In The Silicon Process

    By H. Tveit, E. H. Myrhaug, J. K. Tuset

    Silicon metal as a commodity material is produced by carbothermic reduction of quartz in electric submerged arc furnaces, where CO2 forms as a by-product. Since 1997 the Norwegian Ferroalloy Producers

    Jan 1, 2004

  • SAIMM
    Fluidized Bed Roasting Of Micro-Pelletized Zinc Concentrate: Part I?Pellet Strength And Roasting Kinetics - Synopsis

    By S. Heukelman

    Zinc or, a zinc refinery in South Africa, uses oxygen enrichment of up to 26% O2 in its fluidizing air to increase concentrate-throughput in its fluidized bed roasters. The aim of the study is to dete

    Jan 1, 2011

  • SAIMM
    Net Present Value Maximization Model For Optimum Cut-Off Grade Policy Of Open Pit Mining Operations ? Synopsis

    The optimum cut-off grade policy maximizes the net present value (NPV) of an open pit mining operation subject to the mining, processing, and refining capacity constraints. The traditional approaches

    Jan 1, 2011

  • SAIMM
    Process mineralogy: adding the value in the minerals value chain, D. Chetty

    By D. Chetty

    Process mineralogy forms an integral part of geometallurgy, with ore body characterisation being but one piece of the puzzle in optimising value derived from ore. This value is not only financial, but

    Jan 1, 2020