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Modelling and Determining the Technical Efficiency of a Surface Coal Mine Supply Chain
By M. D. Budeba
Determining the efficiency of a surface coal mine operation is an essential activity, which can help in deciding on the optimal use of input resources, including effective capital allocation, in gener
Jan 1, 2014
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Localized Uniform Conditioning (LUC): Method and Application Case Studies
A new method, localized uniform conditioning (LUC), was proposed in 2006 for modelling grades of small blocks of ore when data spacing is too broad for their accurate modelling by the linear regressio
Jan 1, 2014
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Measurement And Control Of Arcing In A Submerged-Arc Furnace
By P. J. Brereton-Stiles, C. J. Hockaday, I. J. Barker, M. S. Rennie
This paper reports on studies that have been done on the electrical conduction in silicon, ferro silicon, and charge chrome furnaces. A system has been developed that can distinguish between normal r
Jan 1, 2007
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Characterization Of Coal Mine Panels In Bord And Pillar Workings In Respect Of Their Proneness To Spontaneous Heating - A Prediction Model
By T. R. Roy
A prediction model, developed by Central Mining Research Institute (India) for evaluation of fire risk rating of underground coal mine panels in bord and pillar working in respect of their proneness t
Jan 1, 2003
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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
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Organization Of Small Scale Mining Activities In Ghana
By H. Appiah
Small scale mining (SSM) has been going on for a long time in Ghana. SSM was legalized by the PNDC Law 218, 1989. Since then there have been numerous gains from the SSM industry. The SSM is organized
Jan 1, 1998
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Sprayed Concrete for Underground Excavations — A Status Report
By B. C. Viljoen
"SynopsisCommencement of the next phase of the Lesotho Highlands Water Project is a year or so away from becoming reality. Some 50 km of tunnels in the form of access adits, shafts, diversion tunnels,
Jan 1, 2015
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Process mineralogy: adding the value in the minerals value chain, D. Chetty
By D. Chetty
Process mineralogy forms an integral part of geometallurgy, with ore body characterisation being but one piece of the puzzle in optimising value derived from ore. This value is not only financial, but
Jan 1, 2020
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DMS Cyclone Size Vs. Cyclone Efficiency: The De Beers Perspective
By Kurt RP Petersen, Hendriena van der Walt
With the decline in fine diamond production from the Argyle mine in Australia, there is a greater emphasis on efficiently treating the finer size fractions through a DMS circuit. Although it is genera
Jan 1, 2006
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Controlled Flotation Processes: Prediction And Manipulation Of Bubble-Particle Capture
The processes by which particles and bubbles interact capture many of the central concepts of colloid science and hydrodynamics. This area of research embraces hydrodynamics, interfacial(including cap
Jan 1, 1999
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Development Of A Model Predictive Controller For A Milling Circuit
Milling circuits are known to be difficult to control. In order to address these difficulties, it was decided to develop and test a model predictive controller (MPC) for a milling circuit. A milling s
Jan 1, 2000
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Characterization And Alternative Dissolution Of Tantalite Mineral Samples From Mozambique ? Synopsis
By M. Nete
Qualitative analysis of three mineral samples from northern Mozambique was accomplished by X-ray diffraction (XRD), microscopy, scintillation, and magnetic determination. Chemical characterization was
Jan 1, 2012
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The Development And Application Of A HCFeMn Furnace Simulation Model For Assmang Ltd
By B. R. Broekman, K. J. R. Ford
Over the last decade significant development and use has been made of a simulation model that describes the HCFeMn smelting operations in Assmang Ltd. This spreadsheet based, semi-empirical, predictiv
Jan 1, 2004
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An Algorithm To Construct Industry Cost Curves Used In Analysing Cash Cost Performance Of Operations For Selected Minerals In South Africa
By T. Tholana
South Africa hosts some of the world?s largest known resources and reserves of minerals that are strategically important to the global economy. The country?s mining industry contributes significantly
Jun 1, 2013
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Mine Operational Planning As The Driver For Determining And Managing Energy Demand
By Dave Capstick, Ken Garner, Jim Porter
Technologies and systems used in the management of energy consumption in the mining and metal processing industry are well understood and documented from the supply side of the business. It is our con
Jan 1, 2005
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A Systems Approach In Implementing Minerals Resource Management At A Base Metal Mine (Rosh Pinah Zinc Corporation, Namibia)
By A. W. Diedericks
Rosh Pinah Zinc Corporation (RPZC) identified implementing a Mineral Resource Management (MRM) programme at the mine as a strategic incentive. The purpose of the programme is to optimize the economic
Jan 1, 2003
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Novel Basket Design For Fine Coal Centrifuges
This paper summarizes the results from a project aimed at adapting scroll centrifuges for application to the dewatering of flotation concentrates. The main impetus for the project was to reduce the hi
Jan 1, 2001
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Transfer Function For The Seismic Signal Recorded In Solid And Fractured Rock Surrounding Deep Level Mining Excavations
By A. Cichowicz
The objective of this work is to quantify the effect of the rock mass surrounding a stope or a tunnel on the seismic signal so that the rockburst damage on the excavation can be derived. It has been s
Jan 1, 1999
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A Study Of Factors Influencing The Kinetics Of Copper Cementation During Atmospheric Leaching Of Converter Matte
By R. M. Lamya
The kinetics of copper cementation during atmosphere leaching of a Ni-Cu matte in CuSO4-H2SO4 solution was studied as a function of initial copper ion concentration, initial acid concentration, temper
Jan 1, 2005
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Ultra-Deep Level Mining ? Future Requirements
By D. H. Diering
The paper deals with the technologies required for opening up anew idealized ultra-deep level mine. First the overall philosophy of accessing ore at ultra depths is discussed. Then the individual tech
Jan 1, 1997