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  • SAIMM
    Neural network performance versus network architecture for a quick stop training application

    The relationship between neural network (NN) performance and the parameters that form the architecture of the neural network is complicated. This paper studies an issue that is still controversial—the

    Jan 1, 2003

  • SAIMM
    Production Reconciliation of a Multivariate Uniform Conditioning Technique for Mineral Resource Modelling of a Porphyry Copper Gold Deposit

    The paper provides a brief review of a multivariate uniform conditioning and a localized multivariate uniform conditioning (LMUC) technique, and presents a production reconciliation case study based o

    Jan 1, 2014

  • SAIMM
    Measuring The Impact Of HIV And STIs In A Community In A Coal Mining Town, Mpumalanga, South Africa

    By H. Hurkchand

    Background: A cross-sectional study was conducted in November2001 to establish the prevalence rates of Human Immunodeficiency Virus (HIV) and sexually transmitted infections (STIs) (Chlamydia trachoma

    Jan 1, 2005

  • SAIMM
    An Overview Of PGM Smelting In Zimbabwe - Zimplats Operations

    By L. Mabiza

    Keywords: Pyrometallurgy, circular furnace, PGM, platinum, Peirce-Smith converter, Zimbabwe The Zimplats Smelter, located on the northern part of the Great Dyke, at the Selous Metallurgical Comple

    Jan 1, 2006

  • SAIMM
    Radio frequency propagation model and fading of wireless signal at 2.4 GHz in an underground coal mine

    By A. Patri, D. S. Nimaje

    Wireless sensor networks and wireless communication systems have become indispensable in underground mines. Wireless sensor networks are being used for better real-time data acquisition from ground mo

    Jan 1, 2015

  • SAIMM
    Piloting Of The Ishigaki Fibre-Wakishimizu (Fibre Media Rapid Filtration Equipment) At Skorpion Zinc - Summary

    By K. Nong, H. F. Fuls

    The quality of Pregnant Leach Solution (PLS) at Skorpion Zinc is of utmost importance for efficient operation of the Solvent Extraction (SX) Plant. Suspended solids in the PLS forms CRUD in the settl

    Jan 1, 2007

  • SAIMM
    Simulated Rockburst Experiment: Development Of A Numerical Model For Seismic Wave Propagation From The Blast, And Forward Analysis

    By M. W. Hildyard

    A blast was engineered close to a tunnel in a deep-level mine with the purpose of studying the wave interaction with the tunnel. Numerical modelling of seismic wave propagation was used in both the fo

    Jan 1, 2001

  • SAIMM
    Sulphuric Acid Manufacture

    By M. J. King, A. Weissenberger, W. G. Davenport

    Keywords: Pyrometallurgy, sulphuric acid, sulphur dioxide The raw material for sulphuric acid manufacture is clean SO2 gas. It comes from (i) burning molten by-product sulphur; (ii) roasting or s

    Jan 1, 2006

  • SAIMM
    Recycling And Environmental Issues Of Metallurgical Slags And Salt Fluxes

    By M. Reuter, U. Boin

    The target of the current metallurgical industry is to recycle and utilize all their by-products, so as to close the sustainable production loop. Slags are the important wastes and by-products of meta

    Jan 1, 2004

  • SAIMM
    Characteristics Of An Effective Self-Directed Work Team In The Gold-Mining Industry

    By A. Nel

    The gold mining industry in South Africa stands to benefit much from the implementation of the self-directed work team concept. Its introduction implies flatter hierarchical structures, empowerment of

    Jan 1, 2006

  • SAIMM
    Pneumatic Injection Of Solids Into Pyrometallurgical Processes: Past, Present, And Future

    By J. Kirsch

    Keywords: Pyrometallurgy, pneumatic transport, pneumatic transport Dense-phase pneumatic injection has begun to replace more traditional furnace-feeding systems. The paper describes the technology

    Jan 1, 2006

  • SAIMM
    Property–Performance Relationships of Commercial Diluents in Sub-Saharan Africa Copper Solvent-Extraction Conditions

    By Chad W. Brown

    "A study of five commercially available solvent-extraction diluents in combination with three commercially available extractants under sub-Saharan African copper solvent-extraction conditions yielded

    Jan 1, 2015

  • 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
    Review And Application Of Stope Support Design Criteria

    Stope support systems, typically consisting of props and packs, are used extensively in the gold and platinum mining industry to stabilize the rock mass in the excavation vicinity and to reduce the ha

    Jan 1, 2001

  • SAIMM
    Simulation Of Time-Dependent Crush Pillar Behaviour In Tabular Platinum Mines ? Synopsis

    By J. A. L. Napier

    It has been established that significant time-dependent stope convergence may occur over time periods of hours and days in certain hard-rock gold and platinum mines. The source of this time-dependent

    Jan 1, 2012

  • SAIMM
    A New Process For The Thermal Refining Of Zinc: A Case Study Of Technology Development At Mintek

    By A. McKenzie

    During the late 1990s Anglo American PLC was evaluating the Gamsberg zinc deposit in the Northern Cape Province. As the primary South African metallurgical technology provider, Mintek became involved

    Jan 1, 2004

  • SAIMM
    Performance Enhancement Tools For Grinding Mills

    By W. Valderrama, D. G. Almond

    Operation of large SAG mills requires a change in the conceptual approach to grinding processes. The traditional energy consumption criteria are now enhanced with new criteria derived from the mechani

    Jan 1, 2004

  • SAIMM
    Reductant Characterisation And Selection: Implications For Ferroalloys Processing

    By R. Khanna, M. Dubikova

    A variety of carbonaceous reducing materials are being used for the production of ferroalloys. Reductant materials include not just carbons such as coke, coal, char but also bio-carbons in form of cha

    Jan 1, 2004

  • SAIMM
    The use of indirect distributions of selective mining units for assessment of recoverable mineral resources designed for mine planning at Gold Fields’ Tarkwa Mine, Ghana

    By J. Searra, M. Aboagye

    "For new mining projects or for medium- to long-term areas of existing mines, drilling data is invariably on a relatively large grid. Direct estimates for selective mining units (SMUs), and also for m

    Jan 1, 2015

  • SAIMM
    Importance of pore pressure monitoring in high walls - Synopsis

    By K. L. Morton

    Groundwater and associated pore pressure represent elements that can have a negative impact on surface mining and slope stability. Groundwater flow and deformation within a slope influence each other.

    Jan 1, 2008