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Low-Silicon Ferrosilicon Production From Iron Ore Materials In An Oxygen Reactor
By A. V. Pavlov, V. A. Grygorian, Kossyrev, A. E. Semin, A. Korostylev
A new way of producing low-silicon ferrosilicon from iron-ore materials in a new type of aggregate-oxygen reactor is presented. The oxygen reactor process is based on using the calorific combustibilit
Jan 1, 2004
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Witbank-Middelburg Branch Minutes of a Meeting Held at the Moth Hall, Witbank, ON 29th January, 1970
Mr J. Meintjes (Chairman) was in the chair. There were also present: 7 Members: Messrs B. D. McNeice, A. Bain, G. E. Carlyon, C. H. Coxon, B. F. v. d. Merwe, A. C. Hofmeyer, H. J. R. Way. 4 Associa
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Book news
1. Book reviews Perspectives in metallurgical development. London, The Metals Society. 338 pp. £29. Reviewer: John V. Bee Mechanics of oil shale, edited by K.P. Chong and J.W. Smith. London, Elsevier
Jan 1, 1985
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Analysis Of Transport Phenomena In Submerged Arc Furnace For Ferrochrome Production
Ferrochrome is the major chromium source for stainless steel production, and submerged-arc furnaces (SAF) are most commonly utilised to smelt chromite ores into ferrochrome by using suitable carbonace
Jan 1, 2004
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Pneumatic Injection Of Solids Into Pyrometallurgical Processes: Past, Present, And Future
By J. Kirsch
Keywords: Pyrometallurgy, pneumatic transport, pneumatic transport Dense-phase pneumatic injection has begun to replace more traditional furnace-feeding systems. The paper describes the technology
Jan 1, 2006
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Method For Assessing Quality Of The Variogram
By H. J. Glass
Collection, preparation, and analysis of blasthole chippings is expensive. Frequently, interpolation of grades at unsampled locations is considered using techniques like kriging. A pre-requisite for k
Jan 1, 2003
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A Comparison Of The Reheat Cracking Susceptibility Of A Service Exposed High Temperature Alloy Steel With That Of New Material
By R. Loots
High temperature creep resistant alloys are used in power plants as steam pipes and headers where they have to withstand super heated steam temperatures of up to 600ºC for the lifetime of the plant. F
Jan 1, 2004
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Book news
The industrial relations handbook, by A. Pons. Juta (P.O. Box 14373, Kenwyn 7790). 1989. "'"250 pp. Looseleaf binder. R180 + GST. Industrial laser materials processing. World Business Publica
Jan 1, 1990
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Wind Erosion Of Tailings Dams And Mitigation Of The Dust Nuisance
By G. E. Blight
Wind erosion can be a major cause of the loss and dispersion of tailings material from a tailings dam into its surrounding environment. Such dust dispersion can be a serious nuisance, as well as a hea
Jan 1, 2007
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Simulation Of Time-Dependent Crush Pillar Behaviour In Tabular Platinum Mines ? Synopsis
By J. A. L. Napier
It has been established that significant time-dependent stope convergence may occur over time periods of hours and days in certain hard-rock gold and platinum mines. The source of this time-dependent
Jan 1, 2012
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Some aspects of international shotcreting practice ? Synopsis
By A. Boniface
The International Tunnel and Underground Space Association (ITA) has a number of working groups (WG) that meet at least once a year. One of these is WG12, ?Use of Shotcrete?, of which the author is a
Jan 1, 2008
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Notices (52d9ce52-e7cf-46a4-ab5b-80b08ddc6048)
2nd CONGRESS OF THE INTERNATIONAL SOCIETY FOR ROCK MECHANICS The 2nd Congress of the International Society for Rock Mechanics will be held in Belgrade, 21-26 September, 1970. The Congress will i
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Proceedings, 99th Annual General Meeting, 1996
The 99th Annual General Meeting of The South African Institute of Mining and Metallurgy was held in the Gold Room, Transvaal Automobile Club, 60 5th Street, Lower Houghton, Johannesburg on Wednesday,
Jan 1, 1996
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Fracturing Around Highly Stressed Excavations In Brittle Rock
By J. Kuijpers
Failure and fracturing are often regarded as synonymous. While this is obviously true in an environment dominated by tensile stresses, it is still not clear how failure and macro fracturing are relate
Jan 1, 2000
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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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The Influence Of Microwave Pre-Treatment On Copper Flotation
By C. Sahyoun
The influence of microwave treatment on copper flotation has been investigated. Comparative batch flotation tests carried out on ore treated at 5?12 kW for 0.1?0.5 s showed that improvements in copper
Jan 1, 2005
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Calculation Of FeO-TiO2-Ti2O3 Liquidus Isotherms Pertaining To High Titania Slags
By D. J. Fourie
During the production of pure TiO2for the pigment industry, ilmenite, containing 35?60% TiO2, is reduced to high titania slag, containing 70?95% ?TiO2? and pig iron. The high titania slag produced, co
Jan 1, 2005
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A Bacterial Heap Leaching Approach For The Treatment Of Low Grade Primary Copper Sulphide Ore
By S W. Robertson, A Vercuil, P Craven
Mintek is currently developing a design approach for the heap leaching of low-grade primary copper sulphide material. Since the leaching of chalcopyrite requires elevated temperatures, the generation
Jan 1, 2005
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Development Of A Model Predictive Controller For A Milling Circuit
Milling circuits are known to be difficult to control. In order to address these difficulties, it was decided to develop and test a model predictive controller (MPC) for a milling circuit. A milling s
Jan 1, 2000
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Flotation At Goedehoop Colliery
By S. N. Opperman
Testwork at Goedehoop Colliery showed that fine coal, essentially?150 microns can be successfully beneficiated using froth flotation. Both conventional and column flotation were tested. It was found t
Jan 1, 2002