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  • SAIMM
    Calcium and magnesium rejection from sulphate solutions in lateritic nickel solvent extraction using Versatic 10 acid-LIX®84-IC system - Synopsis

    By B. Ndlovu

    The world mineral industry has over the years experienced growth in the production of nickel (Ni) due to its use not only in the catalytic industry but mainly also to its demand in the stainless steel

    Jan 1, 2008

  • SAIMM
    A simple process control model for spiral concentrators - Synopsis

    By M. K. G. Vermaak

    Spiral concentration forms a crucial part of gravity separation circuits. The application of process models in the operation of gravity separation circuits offers significant benefits in recoveries an

    Jan 1, 2008

  • SAIMM
    Residual stresses in cylindrical rock samples

    By G. Vouille, P. Bérest

    Residual stresses observed in rocks often result from non-compatible initial strains. These stresses can be determined when the incompatibility tensor associated with the initial strain tensor is know

    Jan 1, 2003

  • SAIMM
    Application Of Openrisk At Open Cast Coal Mines

    By L. Munsamy, B. J. Madden

    OpenRisk, an open cast risk rating system, takes into account relative differences in the importance of hazards, as experienced on each mine as a result of different combinations of geotechnical facto

    Jan 1, 2006

  • SAIMM
    A quantitative evaluation of the load bearing capacity of ground and characteristic curves of tunneling

    By T. Nishimura, H. Kiyama, K. Wakimoto

    Discussion on the load bearing capacity of ground and the stability of tunnel is presented. We derive a simplified solution of a circular lined-tunnel in an elastic ground. The solution results in a b

    Jan 1, 2003

  • SAIMM
    Lowered Expectations: The Impact Of Yield Stress On Sand Transport In Laminar, Non-Newtonian Slurry Flows (db234ae4-9636-4048-baa8-d2e179ef9ec7)

    By R. G. Gillies

    The pipeline transport of paste, backfill or thickened tailings slurries is an important component of the tailings disposal process in many mines around the world. These mixtures contain significant f

    Jan 1, 2007

  • SAIMM
    Determination Of The Degree Of Thermal Exposure To The Lower Head Of The Three-Mile Island Unit 2 Nuclear Reactor Using Metallography ? Synopsis

    By G. F. Vander Voort

    The accident at Unit No. 2 of the Three Mile Island nuclear reactor (TMI-2) on 28 March 1979 was the worst nuclear accident in US history and crippled the nuclear industry. An international Vessel Inv

    Jan 1, 2013

  • SAIMM
    The State of Mine Closure in South Africa – What the Numbers Say

    By M. Olalde, I. Watson

    "The consequences of ineffective mine closure in South Africa are evident from the number of abandoned mines and operations on extended care-and-maintenance, the on-selling of mines to less well-resou

    Jul 1, 2019

  • SAIMM
    Comminution Research At The University Of Cape Town

    Comminution is a vital part of minerals extraction, and therefore of the South African economy. The high cost and throughput-limiting nature of comminution forms a strong motivation for research direc

    Jan 1, 1998

  • SAIMM
    Effect Of Cold Reduction And Annealing Temperature On Texture Evolution Of AISI 441 Ferritic Stainless Steel ? Synopsis

    By M. G. Maruma

    The effect of the amount of cold reduction and annealing temperature on the evolution of the texture of AISI 441 steel is reported. The steel was cold rolled by 62%, 78%, and 82%, followed by isotherm

    Jan 1, 2013

  • SAIMM
    A Comparative Study Between Shuttle Cars and Battery Haulers

    By W. H. Holtzhausen

    The purpose of this project was to compare two underground, batch coal haulers ? battery haulers and shuttle cars ? in order to determine the more viable machine to implement. The specific standards f

    Jan 1, 2014

  • SAIMM
    Strategic Long Term Planning In Mining ? Synopsis (287252bf-313f-4c0f-98fd-28fa4c30c9b7)

    By G. L. Smith

    The fundamental challenge facing mineral and metal companies is how to create sustainable value while operating within mandated strategic bounds, identified constraints, and variable market and econom

    Jan 1, 2012

  • SAIMM
    Strategic Long Term Planning In Mining - Synopsis

    By G. L. Smith

    The fundamental challenge facing mineral and metal companies is how to create sustainable value while operating within mandated strategic bounds, identified constraints, and variable market and econom

    Jan 1, 2012

  • SAIMM
    Flotation At Goedehoop Colliery

    By S. N. Opperman

    Testwork at Goedehoop Colliery showed that fine coal, essentially?150 microns can be successfully beneficiated using froth flotation. Both conventional and column flotation were tested. It was found t

    Jan 1, 2002

  • SAIMM
    An Evaluation Of The Self-Directed Work Team Concept As A Means To Improve Overall Performance On South African Gold Mines

    By C. F. Strydom

    Paper written on project work carried out in partial fulfilment of B. Eng (Mining Engineering) degree The Self-directed work team concept is the product of relentless performance pressure on Americ

    Jan 1, 2002

  • SAIMM
    The Use Of Performance Monitoring Techniques In Detecting Process Shifts And Potential Root Causes In A Variable Speed Grinding Application

    By T. Khumalo, L. P. Coetzer

    This paper addresses the impact of the variable speed drive on the particle size distribution in the product of a fully autogenous UG2 grinding circuit. It further discusses the impact of a varying pa

    Jan 1, 2006

  • SAIMM
    Thermophilic Mineral Bioleaching Performance: A Compromise Between Maximizing Mineral Loading And Maximizing Microbial Growth And Activity

    By A. Sissing

    Paper written on project work carried out in partial fulfilment of M.Sc. (Chemical Engineering) degree Thermophilic bioleaching, conducted at temperatures in excess of 65°C, provides considerable b

    Jan 1, 2003

  • SAIMM
    Kinetics Of Chromite Vs. Ilmenite Magnetization During Oxidative Roasting Of Ilmenite Concentrates (ac3d8f22-0a34-4795-aabe-e109bbe0406f)

    By J. D. Steenkamp

    In a paper presented at the Heavy Minerals Conference 2001 a laboratory scale investigation on the beneficiation of an ilmenite containing waste stream by magnetizing roasting was reported1.This waste

    Jan 1, 2003

  • SAIMM
    Recovery Of Cobalt From Slag In A DC Arc Furnace At Chambishi, Zambia

    By R. T. Jones

    The 20 Mt reverberatory furnace slag dump at Nkana in Zambia contains a substantial quantity of cobalt. A 40 MW DC arc furnace has been built at Chambishi for the purpose of recovering cobalt from the

    Jan 1, 2002

  • SAIMM
    Cokriging And Its Effect On The Estimation Precision

    By E. Yalçin

    The data set often contains one or more secondary variables. These secondary variables are usually spatially cross correlated with the primary variable. The addition of the cross-correlated informatio

    Jan 1, 2005