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Mine Haul Road Maintenance Management SystemsIn surface mining operations, ultra-heavy trucks operate on haul road networks which are typically from 10?40 km in length. These road networks are often not optimally designed and maintained and as a
Jan 1, 2003
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Presidential Address - The South African Coal Industry: Current Position And Future ChallengesBy R. P. Mohring
The South African Coal Industry had its beginnings in the Eastern Cape in 1859 when coal was mined to satisfy the fledgling settlements in the Eastern Cape. The growth in the industry was relatively
Jan 1, 1997
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Study on the coal gas pressure dynamic distribution law ahead of tunnelling - SynopsisBy Li-ming Qi
During mining, the stress in the coal face varies, and, at the same time, the gas flows from the coal body into the excavation, which will cause the gas pressure to change continuously. Assuming the c
Jan 1, 2007
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The development and implementation of industrial hydrometallurgical gallium and germanium recovery - SynopsisThe Gordonsville Operation of Pasminco US Inc. along with the Center for Advanced Mineral and Metallurgical Processing (CAMP) at Montana Tech studied, developed and implemented a pilot-scale hydrometa
Jan 1, 2008
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Outotec Direct Leaching Application In ChinaOutotec?s direct leaching process is an atmospheric leaching process for sulphidic zinc concentrates. The direct leaching process, based on special leaching reactors developed by Outokumpu, is the mos
Jan 1, 2008
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The Impact Of The Draft Mineral And Petroleum Resources Royalty Bill On Gold Mine Reserves (7126a81e-7d07-4922-8a31-925a1ca29865)The latest Draft MPRRB was released for public comment in October 2006. The main purpose of the Bill is to collect royalties at mines developed in terms of new-order mineral rights granted through th
Jan 1, 2007
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A More Corrosion Resistant Hercules? AlloyBy A. Muwila
Hercules? is a low nickel austenitic stainless steel developed at Mintek that has a typical composition of 9 wt% Mn, 0.05 wt% C, 2wt% Ni, 0.25 wt% N and 16.5 wt% Cr. A more corrosion resistant version
Jan 1, 2007
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Application of variography to the control of species in material process streams: %Fe in an iron ore product - SynopsisThe use of a time series variogram as an aid in controlling the quality of a product was pioneered by Pierre M. Gy and is described. The ability to analyse and interpret covariance relationships time
Jan 1, 2008
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Considerations Of Failure Mechanisms Associated With Rock Slope Instability And Consequences For Stability AnalysisThe results of a series of physical model studies of the stability of jointed rock slopes carried out some years ago are described. These models were tested under centrifugal loading. Four ?geological
Jan 1, 2006
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A CFD Simulation Of A Single Phase Hydrocyclone Flow FieldBy M. F. Dlamini
The hydrodynamics of a hydrocyclone present a complex internal flow structure, the numerical simulation of which remains a non-trivial task. We report on three-dimensional water-only computational flu
Jan 1, 2005
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Ore Pass Practice In Canadian MinesThis paper reviews ore pass practice in some Canadian mines in Quebec and Ontario. In particular it reviews ore pass configuration, flow control mechanisms and monitoring practice. A review of the typ
Jan 1, 2005
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Reply To N.M. Vegter ?Discussion On The Kinetics Of The Elution Of Gold From Activated Carbon? - In The Journal Of SAIMM, Vol. 97. 1997. Pp. 197?200By M. J. Nicol
Mr Vegter has analysed, in some depth, the approximations made in the treatment of the kinetic data presented in the original by ourselves (ref.1) and has come to the conclusion that ?under the experi
Jan 1, 1997
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Process Performance Of Bacterial Leaching Reactors: The Contribution Of Mathematical ModellingBacterial leaching represents an unusual problem in biochemical engineering, because the substrate for bacterial growth is not supplied directly, but is a product of another reaction, the leaching of
Jan 1, 2000
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Investment And Non-Commercial Risks In Developing CountriesBy C. Kasatuka
Globalization creates investment opportunities for enterprises around the world. Attracting foreign investment has been a key challenge for economic growth in developing countries. Corruption, politic
Jan 1, 2006
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Small-Scale Recovery Of Noble Metals From Jewellery WastesBy J. H. Potgieter
This paper describes an investigation to separate and selectively recover silver, gold and platinum from jewellery and laboratory wastes, and produce technical grade material suitable for training pur
Jan 1, 2004
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Annual Report - For The Year Ended 30th June, 1997Council for 1996/97 President Dr N.A. Barcza President Elect R.P. Mohring Vice Presidents Senior J.R. Dixon Junior M.H. Rogers Immediate Past President D.A.J. Ross-Watt Honor
Jan 1, 1997
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The Design Of A Single Aggregate Concrete On Cullinan Diamond MineA single aggregate mix design was developed based on a slag/Portland binder blend and crusher sand. The primary design criterion, after performance, was the fluidity of the shotcrete and concrete prod
Jan 1, 2006
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Winning Paper: Optimization Of A Raiseline At Mponeng MineBy N. Ragoonanthun
Paper written on project work carried out in partial fulfilment of B.Sc. (Mining Engineering) degree This report investigates the optimization of a raiseline in order to open up the ore reserve qui
Jan 1, 2003
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Keynote Address: EPRI?s Global Coal InitiativeBy S. Dalton
The use of coal for power generation is being questioned in many developed countries, as a result of ever-tightening environmental restrictions and concerns about the potential impact of CO2emissions
Jan 1, 2001
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Testing Stemming Performance, Possible Or Not? - SynopsisBy D. Boshoff
The ability of an explosive to break rock is influenced considerably by the extent of confinement in the blasthole. It is believed that confinement is improved by the use of adequate stemming. The aim
Jan 1, 2011