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  • SAIMM
    Design and development of a low noise rockdrill

    By R. W. Ottermann, N. D. L. Burger, A. J. von Wielligh, P. R. de Wet, J. L. Steyn

    A low noise blast hole drilling system was developed to limit the risk of noise induced hearing impairment in mining operations. Noise induced hearing loss has been identified as a major occupational

    Jan 1, 2003

  • SAIMM
    Origins Of Some Fractures Around Tabular Stopes In Deep South African Mines ? Synopsis

    By G. van Aswegen

    The geometry and morphology of a set of low-angle fractures around a stope in a deep Witwatersrand gold mine are explained in terms of extension fractures forming under variable conditions of stress.

    Jan 1, 2012

  • SAIMM
    Assessment Of Viscosity Of Slags In Ferrochromium Process

    By L. Forsbacka, M. Nakamoto, L. Holappa

    Viscosity of the slag is one of the central parameters when producing FeCr in submerged arc furnaces. It contributes to smelting behaviour and reduction kinetics of chromite ore as well as to the Cr r

    Jan 1, 2007

  • SAIMM
    Post Taphole Practices Adding Value

    By H. Hearnden

    Whereas in the past, ladles were simply a means of transferring molten products from furnace tapholes to points of discharge be they casting pans or waste dumps, the ladle is now becoming a more integ

    Jan 1, 2004

  • SAIMM
    A design methodology for mechanised stoping with stable support pillars at depth in the Bushveld Complex

    By D. A. Spencer, L. J. Gardner

    In light of the apparent productivity benefits provided by mechanised stoping, Impala Platinum Limited commissioned a study to investigate its possible implementation for mining reserves located 1200

    Jan 1, 2003

  • SAIMM
    A stochastic simulation framework for truck and shovel selection and sizing in open pit mines

    By S. Frimpong, S. R. Dindarloo

    Material handling in open pit mining accounts for about 50% of production costs. The selection and deployment of efficient, safe, and economic loading and haulage systems is thus critical to the produ

    Jan 1, 2015

  • SAIMM
    Investigation of the geomechanical criteria for safe and efficient crown pillar extraction beneath stabilised rock rockfill at the Crusader Mine

    By J. Whitford

    The established crown pillar extraction method at Gold Fields Australia Ltd.’s Crusader Mine, leads to the significant dilution and poor recovery of ore due to caving of the overlying loose rockfill.

    Jan 1, 2003

  • SAIMM
    Reconstruction time of a mine through reliability analysis and genetic algorithms - Synopsis

    By M. Kumral

    A mining system consists of many sub-systems such as drilling, blasting, loading, hauling, ventilation, hoisting and supporting. During mining operation, these sub-systems may experience various probl

    Jan 1, 2009

  • SAIMM
    Value-in-use model for chlorination of titania feedstocks (0e024aa2-1bbf-4aa3-a06b-c832965b74fa)

    By J. H. Zietsman, S. Maharajh, J. Muller

    In the chlorination process for TiO2 pigment production, blends of titania feedstocks such as ilmenite, synthetic rutile (SR), natural rutile, upgraded slag, and chloride-grade slag are reacted with c

    Jan 1, 2015

  • SAIMM
    The Use Of Neural Network Analysis Of Diagnostic Leaching Data In Gold Liberation Modelling

    By K. R. P. Petersen

    Paper written on project work carried out in partial fulfilment of M.Sc. Eng.(Metallurgical Engineering) degree The interrelationship between mineral liberation and leaching behaviour of a gold ore

    Jan 1, 2003

  • SAIMM
    Burning pyrites compared to sulphur ? Synopsis

    By W. V. Mutler

    Present day capital costs are analysed for a 2 000 metric tonne per day (MTPD) pyrite burning plant and compared with a sulphur burning plant of the same capacity. Power, raw material and steam produc

    Jan 1, 2009

  • SAIMM
    Total Primary Milling Cost Reduction By Improved Liner Design - Synopsis

    By J. Dahner

    Total milling cost is composed of energy, liner and grinding media costs. In primary high ball load milling, the grinding media play the biggest role in total milling cost. This cost can be drastical

    Jan 1, 2011

  • SAIMM
    Relationships between comminution energy and product size for a magnetite ore - Synopsis

    An extensive laboratory grinding study was carried out on a magnetite ore in order to assess the grinding behaviour of magnetic concentrate and tail from low intensity magnetic separation (LIMS).The t

    Jan 1, 2010

  • SAIMM
    Some Myths About DC Arc Furnaces ? Synopsis

    By R. T. Jones

    DC arc furnaces are widely used for steel scrap melting as well as for reductive smelting of ore fines. Industrial smelting applications include the smelting of chromite to produce ferrochromium, the

    Jan 1, 2011

  • SAIMM
    Mechanical–transport processes in salt: consequences for abandonment of underground exploitations

    By M. Ghoreychi, X. Daupley

    ABSTRACT: The paper is devoted to two major aspects related to the abandonment of salt mines: 1)- Long-term risk associated with the mechanical instability of surface and its consequences for public s

    Jan 1, 2003

  • SAIMM
    Checking precision and accuracy of an automatic ore sampler

    Most processing plants use automatic samplers to extract ore aliquots along a producing shift. These aliquots are combined into a sample normally sent to lab analysis. The sampler used in the extracti

    Jan 1, 2003

  • SAIMM
    Engineers For The 21st Century - Minerals And Metals Industry

    By P. J. Knottenbelt

    Outcomes from a workshop organized through the SAIMM revealed that the minerals and metals industry must develop its ?Engineering Team? if it is to continue to meet the challenges of globalization. Th

    Jan 1, 2002

  • SAIMM
    Characterization Of Au Catalysts - Synopsis

    By T. van Heerden

    A range of supported gold catalysts was prepared by ion exchange, varying many of the preparation variables, including concentration in the precursor solution, washing procedure, as well as drying and

    Jan 1, 2012

  • SAIMM
    Laboratory Investigations Of The Electrical Resistivity Of Cokes And Smelting Charge For Optimizing Operation In Large Ferrochrome Furnaces

    By Krogerus. H., P. Jokinen, T. Lintumaa

    Keywords: Pyrometallurgy, furnace, coke, smelting charge, optimization, ferrochrome The main consumer of ferrochrome is stainless steel production. Stainless steel must maintain a reasonable pric

    Jan 1, 2006

  • SAIMM
    Grid-Based Analysis of Seismic Data

    Quantitative seismology is an important tool for investigating mineinduced seismicity and the quantification of the seismic rock mass response. The spatio-temporal interpretation of seismic data withi

    Jan 1, 2014