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  • SAIMM
    The Dual-Electrode DC Arc Furnace ? Modelling Insights

    By Q. G. Reynolds

    Keywords: Pyrometallurgy, furnace, DC, reverse polarity, dual-electrode The dual-electrode direct current (DC) arc furnace uses two graphite electrodes, one connected as cathode, and one as anode.

    Jan 1, 2011

  • SAIMM
    Experiments on stope closure as a diagnostic measure of rock behaviour

    By D. F. Malan, M. Grave, J. A. L. Napier

    Previous fundamental research projects have indicated the value of continuous closure measurements in deep tabular excavations for improved support design, hazard assessment and for quantifying the ef

    Jan 1, 2003

  • SAIMM
    Metal Accounting In The Platinum Industry: How Effective Is It? - Synopsis

    The AMIRA Code of Practice and Guidelines for Metal Accounting was developed in response to demand from a number of sponsor companies, including one major platinum producer. Since its publication in 2

    Jan 1, 2013

  • SAIMM
    A review of information on the influence of plan curvature on rock slope stability and its effect on the volume of wedge failures

    By R. Armstrong

    The stability of rock slopes is significantly influenced by their curvature in plan view. The importance of this in open pit mining is indicated by the fact that, in a deep pit, steepening of the slop

    Jan 1, 2003

  • SAIMM
    Occupational Health And Safety Risks Associated With Sulphur Dioxide

    By C. J. Badenhorst

    Oxides of sulphur are corrosive and are produced when sulphur-containing fuels are burned. Sulphur dioxide (SO2) is a colourless gas with a characteristic, irritating, pungent odour. Exposure routes t

    Jan 1, 2007

  • SAIMM
    A basic triboelectric series for heavy minerals from inductive electrostatic separation behaviour ? Synopsis

    By D. N. Ferguson

    The separation of certain minerals by electrostatic techniques can be difficult due to their similar electrical conductivity, and any technique to improve this can be useful in certain difficult separ

    Jan 1, 2010

  • SAIMM
    Energy considerations in the current PGM processing flowsheet utilizing new technologies ? Synopsis

    By C. M. Rule

    Energy efficiency is currently a significant area of interest due to the Eskom power situation, which led to severe power impacts to the PGM, and indeed whole SA primary industries, in early 2008. An

    Jan 1, 2009

  • SAIMM
    Hard Rock Cutting And The Development Of A Continuous Mining Machine For Narrow Platinum Reefs - Introduction

    By R. G. B. Pickering

    The hard rock gold and platinum mines in South Africa have seen little development in the technology of mining. Holes are still drilled in the rock?though the latest water hydraulic rockdrills will co

    Jan 1, 2002

  • SAIMM
    Innovative And Safe Copper Launder Design

    By B. Leong, H. Joubert

    Keywords: Pyrometallurgy, furnace, auxiliary equipment, copper slag launders Pyromet has designed copper launders for tapping slag. What makes Pyromet?s launder design innovative and safe is that

    Jan 1, 2006

  • SAIMM
    Winning Paper: Optimization Of A Raiseline At Mponeng Mine

    By N. Ragoonanthun

    Paper written on project work carried out in partial fulfilment of B.Sc. (Mining Engineering) degree This report investigates the optimization of a raiseline in order to open up the ore reserve qui

    Jan 1, 2003

  • SAIMM
    Probabilistic modelling of lithological domains and its application to resource evaluation - Synopsis

    The modelling of lithological domains is a critical step in mineral resource and reserve evaluation. Deterministic models rely on an interpretation of the available drill hole data and expert knowledg

    Jan 1, 2007

  • SAIMM
    Use A Cansolve SO2 Scrubbing System To Better Link Your Batch-Operated Furnace With Its By-Product Sulphuric Acid Plant

    By P. Roy

    Smelting or converting of sulphide concentrates and mattes in a batch operation presents a challenge when directing the off- gas to a conventional acid plant. The Hindustan Zinc Ltd. (a division of th

    Jan 1, 2007

  • SAIMM
    Increasing The Capacity Of The Grinding Circuits Without Installing More Mills

    By Godofredo F. Barrios

    For years urethane screen surfaces have been used in a wide range of wet screening applications where openings from as fine as 100 microns and coarser have been used. The purpose of this paper i

    Jan 1, 2007

  • SAIMM
    Use a Can solve SO2 scrubbing system to better link your batch-operated furnace with its by-product sulphuric acid plant - Synopsis

    By P. Roy

    Smelting or converting of sulphide concentrates and mattes in a batch operation presents a challenge when directing the off- gas to a conventional acid plant. The Hindustan Zinc Ltd. (a division of th

    Jan 1, 2007

  • SAIMM
    Comparison Between Artisanal and Smallscale Mining in Ghana and South Africa: Lessons Learnt and Ways Forward

    By A. A. Debrah

    Artisanal and small-scale mining (ASM) plays a fundamental role in the national and local economies of resource-rich countries in Africa. As such, more effort must be geared towards fostering this typ

    Jan 1, 2014

  • SAIMM
    The Ultimate Screener - Introduction

    By R. Dass

    Paper written on project work carried out in partial fulfilment of B. Sc Eng (Extractive Metallurgy) degree Screening is an industrial process that splits material at a specific cut size into one f

    Jan 1, 2004

  • SAIMM
    The Design Of Stable Stope Spans For Shallow Mining Operations

    By A. H. Swart

    Unplanned stope panel collapses occur on most near-surface and shallow mines in South Africa. Although these incidents often occur during blasting, they pose a major threat to the safety of undergroun

    Jan 1, 2005

  • 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 Of Modified Gas Indices For Early Detection Of Spontaneous Heating In Coal Pillars

    By D. C. Panigrahi

    Extensive field studies have been carried out to investigate the pillar fire problems in one coal mine in India. A Thermal IR gun and a Thermovision camera have been employed for thermal scanning to a

    Jan 1, 2004

  • SAIMM
    Comment On The Paper ?Neutralization Of Bioleach Liquors? By B.M. Nyombolo, J.W. Neale, And P.J. Van Staden - In The Journal Of SAIMM, Vol. 100. No. 7. Pp. 403?408

    By J. M. Schaekers

    In the first part of the article, the authors give a broad overview of the chemistry and some engineering aspects of bioleach processes, eventually leading to the important and critical issue of the s

    Jan 1, 2001