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Effect Of Residual Tectonic Stresses On Roadway Stability In An Underground Coal Mine
By B. Unver
Effective strata control is a prerequisite for maintaining an efficient mining operation. If the strata in the vicinity of an opening are not controlled effectively, it is impossible to perform a safe
Jan 1, 1999
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A heat transfer model for high titania slag blocks - Synopsis
By H. Kotzé
Titania slag is used as feedstock in the production of titanium dioxide pigment. It (titania slag) is the product of ilmenite smelting,a process whereby ilmenite is reduced at high temperature utilizi
Jan 1, 2010
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Breakage mechanisms and an encouraging correlation between the Bond parameters and the friability value ? Synopsis
By H. T. Ozkahraman
It is important to know the breakage mechanism in materials since this knowledge influences the results of subsequent grinding operations. There are two distinct failure mechanisms in breakage: one is
Jan 1, 2010
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Bindura Nickel Corporation Smelter Operations
By E. Dzingayi
Keywords: Pyrometallurgy, furnace, Bindura, nickel The smelter at Bindura Nickel Corporation processes concentrates from its own mines and other external sources. Concentrates are dried, smelted,
Jan 1, 2006
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A Progress Report On Ultra-High-Pressure Waterjet Cutting Underground: The Future Of Narrow Reef Gold And PGE Mining
By C. D. K. Gauert
High-pressure waterjet technology is proposed as an alternative tool for selective underground mining of high-grade ore sections in stratiform orebodies showing a preferred ?bottom? or ?top? enrichmen
Jan 1, 2013
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Impala Platinum Smelter, Rustenburg - An Integrated Smelter Off-Gas Treatment Solution
By G. Westcott
Impala Platinum, the second largest platinum producer in the world, is embarking on a major expansion strategy to increase its platinum output from 1.95 moz to 2.8 moz by the year 2008. The smelter co
Jan 1, 2007
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Selective Leaching Of Phases Occurring In Charge Chrome
By A. Wedepohl
Selective leaching of phases in charge chrome is used in a variety of industrial processes for the production of chromium chemicals. A mineralogical study was made of a range of local charge chrome sa
Jan 1, 2000
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DC Arc Smelting Of Silicon: Is It Technically Feasible?
By M. Abdellatif
Keywords: Pyrometallurgy, furnace, DC arc furnace, smelting, silicon The technical feasibility of silicon smelting in a DC arc furnace was investigated. A graphite-lined furnace was operated at p
Jan 1, 2011
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Presidential Address: The Uranium Story - An Update
By R. P. H. Willis
Uranium is back on the radar. Uranium has always been a controversial metal, from its role in the arms race to its claim to be the only viable alternative to fossil fuel. This paper will cover its pro
Jan 1, 2006
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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
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A Comparison of Test Procedures for Estimating the Bond Ball Work Index on Zambian/DRC Copper–Cobalt Ores and Evaluation of Suitability for Use in Geometallurgical Studies
By Elizma Ford, Vincent Sithole
"Two shortened test procedures for estimating the Bond ball work index are compared for suitability of use on Zambian/DRC-type copper–cobalt ores. The first procedure is based on a batch milling test
Jan 1, 2015
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New systems for geological modelling-black box or best practice?
By C. Birch
"A ‘geologically constrained’ orebody model has long been hailed as vital for a Mineral Resource statement that is compliant with the South African Code for Reporting of Exploration Results, Mineral R
Jan 1, 2014
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A Decade Of Change - Mineral Exploration In West Africa - Introduction
By D. Pohl
The past decade has seen rapid expansion in the West African mineral exploration environment. This expansion has been largely driven by changes in ?Political climate ?Fiscal and legal regimes ?Ex
Jan 1, 1998
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Tap-Hole Maintenance and Management on Furnace 10 at Eramet Norway Porsgrunn
By J. E. Davidsen, M. Honstad
"A well-maintained tap-hole channel is important in order to achieve good and stable furnace operation over time. A worn or short tap-hole channel can lead to more violent flow, significantly increasi
Jun 1, 2019
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Elasticity anisotropy in Oshima Granite
By A. Golshani, M. Oda, K. Suzuki, T. Takemura
Anisotropic behaviours of OhshimaOshima granite were investigated by carrying out uniaxial compression tests, together with observations of microcracks under an optical microscope. The elastic modulus
Jan 1, 2003
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Importance And Method Of Using Reference Materials In Measuring Reliability Of Analytical Results And Why Customers Should Use Them
By S. Marsland
Reference materials have always been important for validating and controlling analytical methods. They have recently become even more important as quality requirements have become more stringent and c
Jan 1, 2007
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Critical Factors For Sustainable Social Projects
By C. S. Chenga
Sustainable development is currently an extremely relevant concept worldwide, especially in developing countries like South Africa. Mining and metals companies are also directly affected by the sustai
Jan 1, 2006
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Characterisation studies of Tectonised Clay shales and implications in the excavation of large size tunnels
By Marco Barla, Mariacristina Bonini, Giovanni Barla
ABSTRACT: The paper describes the characterisation studies of Tectonised Clay Shales at laboratory and in situ scale. The interest relates to tunnelling under squeezing and swelling conditions, in Ita
Jan 1, 2003
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Just-In-Time Development Model For A Sub-Level Caving Underground Mine In Zimbabwe
By C. Musingwini
Traditionally, mineral reserves management at most underground mines in Zimbabwe focus on maintaining large mineral reserves so that the time between development and production is as long as possible.
Jan 1, 2003
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Glow Discharge Optical Emission Spectroscopy: a General Overview with Regard to Nuclear Materials
By S. J. Lötter, J. T. Nel, W. Purcell
"SynopsisGlow discharge optical emission spectroscopy (GD-OES) is an analytical technique used in the analysis of solid, conducting materials. Though primarily of interest as a depth profiling techniq
Jan 1, 2015