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Effect of silica concentration on degree of sintering of chromite-silica ladle well filler sand based on South African raw materials
By M. B. Shongwe, G. Freemantle, M. Botha, S. Brill, J. D. Steenkamp
During steelmaking, one important factor for production efficiency is the free opening of the ladle nozzle during continuous casting. Free opening occurs when the well filler sand and the steel flow f
Feb 2, 2022
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New President of A.S. & T.S.
On 24th November, 1982, Mr L. W. P. van den Bosch was inducted as the President for 1982/1983 of the Associated Scientific and Technical Societies of South Africa, which represents more than 40 scient
Jan 1, 1983
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The detoxification of gold-mil tailings with hydrogen peroxide
By H. Knorre, A. Griffiths, R. Higgins, S. Gos
Hydrogen peroxide is gaining acceptance as a reagent for the treatment of mining effluents containing cyanide. In this paper some of the chemical and environmental aspects of treatment with hydrogen p
Jan 1, 1987
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The Significance of the Mineralogical and Surface Characteristics of Gold Grains in the Recovery Process (fa87f325-f8ec-4fde-88a6-1e9edbbebf8c)
By H. P. Carlisle
The significance of the mineralogical and surface characteristics of gold grains in the recovery process by C. E. FEATHER and G. M. KOEN Published in the Journal. February 1973. DISCUSSION H. P. Carli
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Learning From Nature: The Tornado Process
By J. Tikka, E. Bäcklund, N. -O. Lindfors
Tornados are the most violent weather events in the world, and we have all seen the forces and phenomena created by tornados in nature. Airgrinder AB has been working with a material treatment technol
Jan 1, 2007
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Book Review New Booklet for Potential Engineers
NEW BOOKLET FOR POTENTIAL ENGINEERS A new booklet "Professional Careers in Engineering" for issue to high school students who are considering engineering as a profession has been prepared for general
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Factors affecting nickel recovery from slags produced during platinum smelting
By L. Andrews
Nickel is recovered as a by-product of the platinum-producing process operated by Anglo Platinum. The metal is mined mainly as sulphide minerals contained in platinum ores. These pass through the conc
Jan 1, 2004
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Spotlight on H.L. Joel Mines
By R. L. C. Maggs
The following members of the Orange Free State Branch and visitors paid a mini-visit to the H.J. Joel Gold Mine on 23rd January, 1991: Members E.N.D. Westgate Organiser R.LC. Maggs Hon. Secretary
Jan 1, 1991
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Recent Developments in the Instrumentation and Automation of Uranium-Processing Plants
By G. Sommer, R. P. Chaix, G. T. W. Ormrod
Recent developments in the instrumentation and automation of uranium-processing plants by G. SOMMER, Ing. (Grad.) (Visitor), G. T. W. ORMROD (Visitor), and R. P. CHAIX, B.Sc. (Visitor) The paper discu
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Evaluation Of Cemented Tailings Backfill
By I. H. Clark
In some mining situations, backfills are not only required to be free-standing but are also expected to provide hangingwall support. It may therefore be specified that the backfill withstand a certain
Jan 1, 1988
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Does Thickening Save Water? ? Synopsis
By A. J. Vietti
A pilot plant paste thickening campaign was conducted at the Anglo Platinum Limited Mogalakwena South Concentrator plant in South Africa in order to determine the water saving capability of P&TT techn
Jan 1, 2011
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Decomposition of Hydrogen Peroxide in Alkaline Cyanide Solutions
By T. Mahlangu Mahlangu, T. Fungene, K. C. Sole
"Although oxygen is widely employed as the oxidant of choice in gold leaching by cyanide, its low aqueous solubility presents some drawbacks in practical application; hydrogen peroxide has therefore b
Dec 1, 2018
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The separation of kerogen from pyrophyllite by flotation
Tests were carried out in a Hallimond microflotation cell and a Denver D12 cell on typical residue material from a gold mine in the Orange Free State (South Africa), in which 50 per cent of the keroge
Jan 1, 1985
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Review Of Evaluation Models For The Representative Sampling Of Ore
By N. O. Lotter
Evaluation errors and value frequency distribution models of the gold ore bodies in the Witwatersrand and Free State systems are reviewed. It is found that the low-grade sections of the data are prone
Jan 1, 1995
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Phenomena relating to the failure of hard rock adjacent to an indentor
It is shown that, when a flat-bottomed indentor is pressed into the surface of a strong rock, the normal force necessary to cause failure of the rock is reduced substantially if a shear force is appli
Jan 1, 1978
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Mine Mechanization and Automation at CANMET, Natural Resources Canada
By A. Miller, M. Bétournay
The main objectives of the Mine Mechanisation and Automation program (MMAP) are to enhance health and safety in underground mining operations, facilitate mechanization and automation in narrow- vein a
Sep 1, 2001
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Virtual reality in improving mining ergonomics
By P. Foster, A. Burton
Over the past decade there has been a great deal of research into the use of virtual reality (VR) and computer graphics in the mining industry. Much of this has led to developed applications including
Jan 1, 2003
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Mine Mechanization And Automation At CANMET, Natural Resources Canada (e73a7ea3-f670-4106-adde-36cedbe0a16a)
The main objectives of the Mine Mechanisation and Automation program (MMAP) are to enhance health and safety in underground mining operations, facilitate mechanization and automation in narrow-vein an
Jan 1, 2002
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Analysis Of Surface Modification On Coal Pyrite
By H. Zhu
Coal desulphurization by flotation is often difficult due to the surface oxidation of coal pyrite. Scanning electron microscope (SEM) and X-ray diffraction (XRD) were adopted to obtain detailed inform
Jan 1, 2002
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Virtual Reality In Improving Mining Ergonomics (e51e57fe-8473-4839-8430-4a7f6450ca6c)
By P. Foster
Over the past decade there has been a great deal of research into the use of virtual reality (VR) and computer graphics in the mining industry. Much of this has led to developed applications including
Jan 1, 2004