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  • SAIMM
    A finite-element method model for a ferromanganese and silicomanganese pilot furnace

    By V. K. Risinggård, M. Sparta

    We report on the development of a finite-element method model for a pilot furnace for the production of manganese alloys. The model is a multiphysics model that addresses material flow, electrical con

    Apr 16, 2024

  • SAIMM
    A pragmatical physics-based model for predicting ladle lifetime

    By S. T. Johansen, B. T. Løvfall, T. Rodriguez Duran

    In this paper we develop a physics-based model for lining erosion in steel ladles. The model predicts the temperature evolution in the liquid slag, steel, refractory bricks, and outer steel shell of t

    Apr 16, 2024

  • SAIMM
    A Rapid Method of Estimating the Distributable Profit of Certain South Africa Gold Mines Receiving State Assistance

    By J. J. leR. Cilliers

    ABSTRACT The recently introduced concept of negative taxation complicates estimation of the distributable profit of certain South African gold mines, and an assisted mine could operate at a working l

  • SAIMM
    A review of the role of underground measurements in the historical development of rock engineering in South Africa

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

    This paper describes some important aspects associated with historical underground measurements in South African gold and coal mines. Deformation measurements were used to confirm the use of elastic t

    May 1, 2021

  • SAIMM
    A Review of Work-Integrated Learning in South African Mining Engineering Universities

    By L. A. Maseko

    "As part of the mining engineering curriculum, students are required to be placed in industry for vacation work or work-integrated learning (WIL). In this paper we review work-based placement as done

    Dec 1, 2018

  • SAIMM
    A simulation model to study truckallocation options

    By E. Y. Baafi, H. Fan, W. Zeng

    We present a discrete event simulator, TSJSim (Truck-Shovel JaamSim Simulator), for evaluating the stochastic and dynamic operational variables in a truck-shovel system. TSJSim offers four truck alloc

    Dec 13, 2022

  • SAIMM
    A sustainable approach to derelict and ownerless mines in South Africa

    By S. Mudau, P. Mohasoa, M. J. Cole

    Derelict and ownerless (D&O) mines in South Africa have been an ongoing concern for over a decade. While some progress has been made to rehabilitate D&O asbestos sites, significant work remains, exace

    Apr 25, 2025

  • SAIMM
    Ammonium thiosulfate leaching of gold from electronic printed circuit boards – effect of solution copper concentration

    By J. Petersen, T. Moyo, D. Maharaj

    This study investigates the effect of ammonium thiosulfate on the leaching of gold from the contacts of unpopulated cut electronic printed circuit boards (PCBs). Studies in the literature show ammoniu

    Dec 11, 2024

  • SAIMM
    An assessment of Rare Earth Elements in borehole cores from the Ermelo, Witbank and Waterberg Coalfields, South Africa: Focus on mode of occurrence

    By N. J. Wagner, D. G. Modiba

    There is currently limited knowledge concerning South African coal deposits as hosts for rare earth elements (REE). This project aims to determine the concentration of REE, including yttrium and scand

    Nov 6, 2024

  • SAIMM
    An Equipment Maintenance System

    By D. W. Dean, J. A. Ryder

    "A computer system designed to assist in maintenance scheduling and costing, and in monitoring the performance of equipment, is described. The emphasis is on the information retrieval and implementati

    Jan 1, 2014

  • SAIMM
    Application of an empirical method and numerical modelling to the Merensky Reef crush pillar stability

    By K. B. Le Bron, T. van Aard

    The empirical pillar strength formulae have been widely, and in most cases successfully, applied to design underground pillars for mines in the Bushveld Igneous Complex (BIC). This paper presents the

    Mar 5, 2025

  • SAIMM
    Appointment of women to mining boards – Evidence of tokenism

    By N. V. Moraka

    Mining companies are required by law to improve representation of women on their boards. However, progress in this regard has been slow. Boards of directors play an important role in formulating corpo

    Dec 13, 2023

  • SAIMM
    Assessing coal mine closures and mining community profiles for the ‘just transition’ in South Africa

    By A. T. van Zyl, M. Mthenjane, M. J. Cole

    Growing global concern over the impacts of climate change, attributable largely to fossil fuel energy sources, has led to the widely shared goal for a ‘just transition’ to cleaner energy and reduced d

    Jun 5, 2023

  • SAIMM
    Author's Reply

    Dr Hanekom I would like to thank Dr Hanekom for a very valuable -contribution; it summarizes careful statistical test work which was an omission from the original paper. Minor manipulative details, t

  • SAIMM
    Carbothermic reduction of a willemite concentrate for use in the Waelz process

    By V. A. Leão, V. S. Coimbra, V. A. A. Oliveira, R. F. M. de Souza, G. M. de Lima

    A willemite concentrate consisting mainly of willemite (55.3%) and dolomite (15.6%) was reduced in a tube furnace with charcoal as reductant. The effects of temperature and varying reductant additions

    Nov 6, 2023

  • SAIMM
    Climate impacts of fossil fuels in today’s electricity systems

    By L. Schernikau, W. H. Smith

    Oil, coal, and gas account for approximately 80% of global primary energy, but only a portion of total airborne CO2 eq (approx. 35% at GWP20 to 65% at GWP100), even though they account for 95% of tota

    Mar 2, 2022

  • SAIMM
    Colloquium On Comminution

    By SAIMM Journal

    COLLOQUIUM ON COMMINUTION The Institute has arranged a colloquium on the above topic to be held on 13th March, 1973, at Kelvin House. The following papers will be presented: 'Peripheral Discharge

    Jan 1, 1974

  • SAIMM
    Concentration and distribution of cobalt in pyrites of the IOCG La Estrella ore deposit, Atacama Region, Chile J. Quevedo, R. Kuyvenhoven, X. Prieto, A. Parbhakar-Fox, and L.V. Danyushevsky

    By R. Kuyvenhoven, A. Parbhakar-Fox, X. Prieto, J. Quevedo, L. V. Danyushevsky

    This paper presents the results of a study focussed on determining the distribution of cobalt in different types of pyrite of the La Estrella IOCG deposit in Chile. In the IOCG mineral deposits, where

    Jan 1, 2020

  • SAIMM
    Contributions to Discussion

    A. H. Mokken: I am pleased to have been given this opportunity to make a contribution to Dr Muller's paper tonight. The reason for this is that, at one stage in our careers, we were associates in

  • SAIMM
    Copper solvent extraction on the African Copperbelt: From historic origins to worldleading status

    By O. S. Tinkler, K. C. Sole

    Approximately 20% of current world copper cathode output is produced using a hydrometallurgical process route, generally referred to as the leach–solvent extraction–electrowinning flowsheet. Since its

    Jul 5, 2023