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Burning pyrites compared to sulphur ? Synopsis
By W. V. Mutler
Present day capital costs are analysed for a 2 000 metric tonne per day (MTPD) pyrite burning plant and compared with a sulphur burning plant of the same capacity. Power, raw material and steam produc
Jan 1, 2009
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Blast Furnace Control Using Slag Viscosities And Liquidus Temperatures With Phase Equilibria Calculations
By J. Muller
Keywords: Pyrometallurgy, blast furnace, slag viscosity, slag liquidus temperature, phase equilibria The viscosity of molten slag in blast furnace operations is an important process variable, infl
Jan 1, 2011
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A Model For Direct Dragline Casting In A Dipping Coal-Seam
By B. Erdem
This article introduces a computer model, which emphasizes panel design for draglines deployed in direct side-casting mode. The study covers flat and inclined coal-seam conditions with the dragline op
Jan 1, 2004
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In Search Of Low Cost Titanium: The Fray Farthing Chen (FFC) Cambridge Process - Synopsis
By S. J. Oosthuizen
This article explores the Fray Farthing Chen (FFC) Cambridge process, a novel method for the electrochemical deoxidation of metal oxides in molten salt, discovered at the University of Cambridge in 19
Jan 1, 2011
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Characterization Of Au Catalysts - Synopsis
By T. van Heerden
A range of supported gold catalysts was prepared by ion exchange, varying many of the preparation variables, including concentration in the precursor solution, washing procedure, as well as drying and
Jan 1, 2012
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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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Pitfalls In Vezin Sampling For Finely Crushed Materials (4f77bfd3-c00c-4e22-9de0-dc8343fb6770)
By C. Kruger
Anglo American Platinum has adopted a strategy of best practice principles (BPP) for sampling, mass measurement, analysis, and metal accounting for more than a decade now. When new plants are designed
Jan 1, 2014
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Some Myths About DC Arc Furnaces ? Synopsis
By R. T. Jones
DC arc furnaces are widely used for steel scrap melting as well as for reductive smelting of ore fines. Industrial smelting applications include the smelting of chromite to produce ferrochromium, the
Jan 1, 2011
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Probabilistic Mine Design Methods To Reduce Rockburst Risk
By F. M. C. C. Vieira
There are many uncertainties that a mine designer should consider when selecting an optimal layout. Even though the inherent variability in the design parameters indicates that single-values are not r
Jan 1, 2002
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Solvent extraction design consideration for the Tati Activox® plant - Synopsis
By E. Robles
The Tati Activox® Project (TA®P) is the first step towards the implementation of the Norilsk Nickel Activox® process. The ultrafine grinding (UFG) and autoclave pressure leach process conditions are t
Jan 1, 2009
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Application Of Nanofiltration In Metal Recovery
By I. W. van der Merwe
Recently, a new kind of filtration has emerged, namely nano-filtration (NF). It is a membrane-based process which exhibits totally unique separation characteristics for dissolved salts as well as for
Jan 1, 1998
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The Thermophysical Properties Of Raw Materials For Ferromanganese Production
By M. Ksiazek
Keywords: Thermal conductivity, thermal diffusivity, flash method, specific heat capacity, manganese ore Manganese ferro-alloys manufacturing involves a combination of quality raw materials and an
Jan 1, 2011
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Comment On The Paper: Design Of Merensky Reef Crush Pillar
By F. S. A. de Frey
The author would like to refer to his contribution to the paper `Design of pillar systems in South Africa' by Ozbay et al. 1. The authors agreed `wholeheartedly that further research, together w
Jan 1, 2011
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Solid State Reduction Of Chromite With Co
By M. Reuter, C. Schuffeneger, T. Seppälä, L. Holappa
Reaction kinetics of solid-state reduction of chromite pellets (laboratory made and industrial) and lumpy ore was investigated by the thermogravimetric analysis (TGA) technique. Carbon monoxide was us
Jan 1, 2004
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Survey Slope Stability Monitoring: Lessons From Venetia Diamond Mine
By F. T. Cawood, M. A. Jooste
This paper describes the survey monitoring processes at Venetia, which are discussed under visual inspections, ad hoc investigations, system monitoring and slope stability radar monitoring. This is fo
Jan 1, 2006
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A Philosophical View On The Testing Of Rock Support For Rockburst Conditions ? Synopsis
Physical testing of rock support for rockbursting conditions has been carried out for over 40 years. A review of this testing shows that it has been mostly component?based, rather than actually testin
Jan 1, 2012
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Solidification Of An Al-Zn Alloy During Semi-Solid Processing - Synopsis
By S. L. George
The semi-solid metal casting process results in a unique solidification path. The microstructural features that were identified during the characterization of the as-cast microstructure, were used as
Jan 1, 2011
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Design of lining system for a pressure tunnel on the base of interaction between rock and lining
By A. Kazemi, M. A. Ahmadi
Pressure tunnels are constructed nurously in related with powerhouse. In some cases, according to high internal water pressure, rock mass around tunnel can seldom suffer this pressure. So installation
Jan 1, 2003
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Exploitation Of A Massive Low Grade Zinc-Lead Resource At Rosh Pinah Zinc Corporation, Namibia
By S Rupprech, T Lund, H Fourie, PH van Rooyen, NM Vegter
Rosh Pinah Zinc Corporation (Pty) Ltd (RPZC) operates an underground mine at Rosh Pinah in southern Namibia producing zinc and lead sulphide concentrates. It currently mines around 0.7 Mtpa run-of-min
Jan 1, 2007
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Rhodax Inertial Cone Grinder
By J. C. Taylor
The Rhodax inertial cone grinder, designed by France?s FCB Group Fives, is the result of three years, theoretical and mechanical research in the field of compression grinding by the research staff of
Jan 1, 1998