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Use Of Comilog Ore In Ferromanganese Production
By M. Tangstad, H. Brun, P. Calvert, A. G. Lindseth
In 1999, Eramet bought the ferromanganese plants in Porsgrunn and Sauda (Norway) and Marietta (USA). With an ownership in the Comilog mine, the plants will operate with a high amount of Comilog ore. T
Jan 1, 2004
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Comparison Of Erosion-Corrosion Behaviour Of Hot Isostatically Pressed And Welded Stellite Coatings
By M. Wong-Kian, L. A. Cornish, A. van Bennekom
Samples of four different satellite materials were prepared by either hot isostatic pressing (HIP) of the powder or tungsten inert-gas welding of rod onto a 316 L stainless-steel substrate. The sample
Jan 1, 1995
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Design, Installation And Testing Of The No 250 Wemco Smartcell? Flotation Machine At Minera Los Pelambres
By A Weber, L MacNamara, H Schreiber
Design and development of the world?s largest flotation cell was completed in 2002. This was the first 257 m3 flotation cell installed in the mineral industry and represents a major development in t
Jan 1, 2007
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Distributed Compositional And Temperature Nature Of Melts In Submerged And Open Arc Furnaces In High Carbon Ferrochrome Production
By S. J. Frank
The development of feedforward semi-empirical control models for furnaces and the evaluation of mass balances are based on plant data. The models can only be as good as the data and it is
Jan 1, 2004
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Modeling of plastic deformation and damage due to drying around a shaft in claystone
By J. F. Shao, G. Duveau, W. Z. Chen, O. Ozanam
In this paper, we present a sensitivity study for the numerical modelling of hydromechanical coupling around a shaft in partially saturated claystone. Two representative constitutive models have been
Jan 1, 2003
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Salient Issues In The Reporting Of Mineral Resources And Mineral Reserves In The Vein And Reef Mining
By G Njowa
Mineral resource evaluation and estimation process is not an exact science; however it depends on the knowledge and experience of the competent person and his ability to apply his mind, make reasonabl
Jan 1, 2008
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Green Topics - Environmental Management In Mining: An International Perspective Of An Increasing Global Industry
By Janet M. Epps
The international climate regulating environmental management in mining is rapidly evolving through the combined influences of the development of international guidelines, resolutions, protocols, tr
Jan 1, 1996
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Extensions to an efficient optimization model for long-term production planning at LKAB’s Kiruna Mine
By M. Kuchta, A. Newman
LKAB’s Kiruna Mine, located above the Arctic Circle in northern Sweden, is the second-largest underground mine in the world today. The orebody is a world-class high-grade magnetite deposit, from which
Jan 1, 2003
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The potential for the recovery of chromite sands from the Murray Basin, Australia
By L. K. Smith
The position of Australia as a continuing long-term supplier of mineral sands, and their upgraded products, has been reinforced with the discovery of the extensive mineral reserves in the Murray Basin
Jan 1, 2003
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Book news
1. Book review Technology of metal powders- recent developments, edited by L. H. Yaverbaum. New Jersey, Noyes Data Corporation, 1980. 400 pp. (Reviewer: B. K. Loveday) 2. New books The use of micropro
Jan 1, 1980
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Copper And Cobalt Extraction From Sulphate Solution Using Natural Clinoptilolite
By D. Nyembe, B. Mamba, Antoine F. Mulaba-Bafubiandi
Copper and cobalt are generally electro-won from their aqueous sulphate solutions. After optimised leaching of their ores, concentrates or calcine bearing minerals, the leachate is clarified and suita
Jan 1, 2007
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Future And Potential In-Stope Rock Support Systems In Conventional Narrow Vein Stoping Operations To Reduce Safety Risks And Enhance Productivity
By I T. Tshabalala
In typical conventional narrow vein stoping operations, the use of temporary support components to offer some support to workers, whilst the permanent and generally more elaborate support system gets
Jan 1, 2008
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A Finite Element Model Of A Søderberg Electrode With An Application In Casing Design
By W. A. Gericke, B. Olmstead, I. Mc Dougall, C. F. R. Smith
A finite element model was generated of a Søderberg electrode in a ferromanganese smelter. In this model, the casing and fins were modelled explicitly, and temperature-dependent material properties we
Jan 1, 2004
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Simulation of Hopkinson effect by discrete element method
By Harushige Kusumi, Yuzuru Ashida, Toshiki Watanabe, Toshifumi Matsuoka
ABSTRACT: The technique of various kinds of numerical analysis offered remarkable results to explication of many rock mechanical phenomena. These techniques regarded a rock stratum as a continuum bod
Jan 1, 2003
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Development Of A Novel Three-Step Sx Process To Recover Copper From An Acidic Solution
By Baruch Grinbaum, Edwin Bwalya, Robert Minango, Deogratias Bukunkwe
Solvent extraction of Cu from acidic leach, using an oxime extractant, e.g. LIX 984 or Acorga is a well known and established process. As the process advances, Cu is extracted to the solvent and
Jan 1, 2005
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Residual stresses in cylindrical rock samples
By G. Vouille, P. Bérest
Residual stresses observed in rocks often result from non-compatible initial strains. These stresses can be determined when the incompatibility tensor associated with the initial strain tensor is know
Jan 1, 2003
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SPOTLIGHT on the mechanization of mining operations
By J. J. Geldenhuys
A colloquium on 'Developments in the Mechanization of Mining Operations' was held in, conjunction with the 1984 Electra Mining Exhibition, at the Milpark Holiday Inn in Johannesburg on 19th
Jan 1, 1985
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The Influence Of Mill Speed And Pulp Density On The Grinding Efficiency For Secondary Stage Grinding
By J. Lux, B. Clermont
Magotteaux, with the co-operation of Anglo Platinum, has erected a fully instrumented pilot plant at Frank concentrator, which is being used to study the influence of a variety of grinding parameters.
Jan 1, 2004
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Annual Report and Accounts for the year ended 30th June, 1978
Council and Standing Committees, 1977-1978 President: P. A. von Wielligh. Vice-Presidents: Dr M. G. Atmore and D. A. Viljoen. Honorary Treasurer: J. K. E. Douglas. Immediate Past President, Dr M.
Jan 1, 1979
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Monitoring The Stability Of Slopes By Gps
By S. Sakurai, N. Shimizu
The stability of slopes is a crucial problem not only in open pit mines, but also in civil engineering situations. The deformational behaviour of slopes is in general monitored during/after the excava
Jan 1, 2006