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Identification Of Nonlinearities In Dynamic Process Systems
By J. P. Theron
Paper written on project work carried out in partial fulfilment of Phd.(Process Engineering) degree Process modelling is an essential element in the development of advanced (model-based) process co
Jan 1, 2004
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Single Level Extraction At Koffiefontein
By R. L. Pienaar
Paper written on project work carried out in partial fulfilment of B Eng (Min. Eng.) degree A study was conducted to investigated and compare the feasibility of two single level extraction layouts
Jan 1, 2006
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Kuyasa Mining: South Africa?s First Black Owned And Managed Mining Company
By R. Scott
This article describes and evaluates the establishment of Kuyasa Mining including the search for a suitable deposit, the ongoing lack of finance, and market constraints. Despite the dramatic initial g
Jan 1, 1998
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DC Furnace Containment Vessel Design Using Computational Fluid Dynamics
By M. Shapiro, L. A. le Grange, B. Henning
Effective pyrometallurgical process vessel design requires accurate assessment of the heat fluxes through the walls of the furnace. This is particularly important for freeze lining operation which is
Jan 1, 2004
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Application Of A High-Intensity Cooling System To Dc-Arc Furnace Production Of Ferrocobalt At Chambishi
By B. Salt, R. Sullivan, E. Roos, M. de Vries, K. McKenna, L. R. Nelson, M. J. N. Uys, P. Jacobs, E. Munnik, P. Lewarne
A review is presented of the furnace cooling system design and operating developments since the initial furnace start up in January 2001 of the Chambishi DC-arc furnace to produce ferrocobalt alloy. T
Jan 1, 2004
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Reduction Of Chromium Oxide Containing Slags Using CaC2 Injection
By J. Björkvall, S. Ångström, L. Kallin
In this paper results from industrial trials of CaC2 injection during stainless steel production in an electric arc furnace at Sandvik Steel is presented. The main purpose of the investigation was to
Jan 1, 2004
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A Web service prototype of mineralogical data presentation using MineML (Mineral Markup Language)
By Xu H.
In recent years, the mineral applications dealing with more complex data in distributed environment have grown rapidly. Many mineral and mining organizations have to organize internally and globally d
Jan 1, 2003
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Techno-Economic Impact Of Optimized Lowgrade Thermal Coal Export Production Through Beneficiation Modelling
By J. P. Bergh
The advent of low-quality export coal demand has brought a new range of possibilities to the South African coal industry. Products that traditionally were only of value to the domestic or combustion i
Nov 1, 2013
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Semi-Empirical Modelling Of The Electrical Behaviour Of DC-Arc Smelting Furnaces
By Q. G. Reynolds
DC arc furnaces are widely used for steel scrap melting, and are increasingly being used for smelting applications as well. The electrical resistivity of slags varies widely, from highly conductive sl
Jan 1, 2004
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Towards A Mineral Property Valuation Code: Considerations For South Africa
By F. T. Cawood
One of the consequences of globalizing mine finance is a necessity to apply uniform accountancy and valuation standards that are clearly understood and consistently applied by the global investment co
Jan 1, 2004
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Checks and Measures of Performance for Kriging Estimates
By J. L. Deutsch
Block model estimates are commonly calculated by the well-established technique of kriging. The mathematics are well established, but implementation details require site-specific considerations. Check
Jan 1, 2014
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Refinery effluent water reduction and treatment
By S. Pule, Z. Ndabezimbi, A. Hefer, E. Cupido
This article outlines various projects implemented at Rand Refinery to reduce effluent generation and freshwater consumption. The refinery generates about 2800 m³ of effluent annually and has initiate
Mar 5, 2025
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Copper Solvent Extraction: Status, Operating Practices and Challenges in the African Copper Belt
By Kathryn C. Sole, Owen Tinkler
"Although the first large-scale application of copper recovery by solvent extraction (SX) took place in Zambia in the early 1970s, it is only in the last decade that this technology has become widely
Jan 1, 2015
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Composite Failure Mechanisms In Coal Measures? Rock Masses - Myths And Reality
By J. V. Simmons
Composite rock mass failures involve intact rock material as well as fracture and shear on existing defects. Experiences from open-cut coalmining in the Bowen Basin of central Queensland are that fail
Jan 1, 2006
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Metallurgical Factors That Affect The Strand Width During Continuous Casting Of DIN 1.4003 Stainless Steel
By C. Siyasiya
One of the problems that is occasionally encountered during the continuous casting of DIN 1.4003 stainless steel (hereafter referred to as 1.4003) is the side bulging effect, a problem that is general
Jan 1, 2005
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Melting Phenomena In Ferromanganese Production
By Dechun Lou, Benjamin Ravary, Merete Tangstad, Stein Wasbø, Sean Gaal
The melting phenomena of manganese ore, slag and alloys were studied in an experimental sessile drop furnace. Particles of approximately 20-60mg were placed on graphite substrates and then heated at a
Jan 1, 2007
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Presidential Address: Coal - An Industry In Change
By M. H. Rogers
Coal has been at the forefront of mankind?s drive to improve his quality of life and also for sustainable development, from the Industrial Revolution onwards. The international coal industry today is
Jan 1, 1999
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Developments In Furnace Technology For Ferro-Nickel Production
By T. Gerritsen, A. Matyas, F. Stober, I. Candy
This paper describes developments in ferro-nickel furnace technology, specifically improvements to cooling methods, furnace controls, and high voltage furnace operating regime. The evolution of these
Jan 1, 2004
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Quantifying The Differences In Hangingwall Conditions
By M. Grodner
Underground excavations exhibit different hangingwall conditions in response to varying geotechnical and mining situations. These differences need to be quantified so as to accurately determine the ef
Jan 1, 2000
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Ground Conditions And Support Systems At 1 Shaft, Konkola Mine, Chililabombwe, Zambia.
By C Katongo
Ground condition at No1. Shaft varies across the mine. The different ground conditions arise as a result of the differences in the rock strength and structure, seismicity and induced stresses in abutm
Jan 1, 2005