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Keynote Address: Creating new industrial markets for gold - Background
By E. Van Der Lingen
Within the context of the overall gold market industrial demand plays an important role. Industrial demand for gold was 430 tonnes in 2008, approximately 12% of total end-user consumption. The dominan
Jan 1, 2009
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Mining and the environment Address. given by T. F. MULLER
By T. F. Muller
In recent years, a great deal has been written and spoken, both in our country and overseas, about the dangers posed to the environment and the ecology by mining operations. The object of this address
Jan 1, 1978
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Leaching of the arsenopyrite/pyrite flotation concentrates using metallic iron in a hydrochloric acid medium
This paper describes experimental investigations into the reductive decomposition of arsenopyrite/pyrite (FeAsS/FeS2), a gold and silver bearing iron/arsenic sulphide using metallic iron powder. The m
Jan 1, 2009
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The Influence of Particle Size Distribution on the Properties of Metalinjection- Moulded 17-4 PH Stainless Steel
By M. Seerane, R. Machaka, P. Ndlangamandla
"Metal injection moulding (MIM) is a near-net-shaping powder metallurgy technique suitable for the cost-effective mass production of small and complex components. In this paper, the effects of the met
Jan 1, 2016
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Neutron and X-ray tomography at Necsa - Synopsis
The utilization of computer assisted tomography (CT or CAT-scan)as general non-destructive examination (NDE) technique and as research tool for scientists in South Africa, is limited due to the relati
Jan 1, 2008
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Implementation of a SAG grinding expert system at Barrick North Mara, Tanzania
The Barrick North Mara Mine and the Advanced Systems Group at SGS Minerals collaborated on the implementation of a grinding expert system for the control and optimisation of a single semi autogenous (
Jan 1, 2009
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Resistance spot welding of a thin 0.7 mm EN10130: DC04 material onto a thicker 2.4 mm 817M40 engineering steel
By R. C. Nkhoma, K. A. Annan, S. Ngomane
The effects of welding current, electrode force, and welding time in a resistance spot weld were studied to investigate the effectiveness of welded joints between a thin EN10130: DC04 material and a t
Oct 1, 2021
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7.5 Thermo Gamma - An Innovative & Practical Approach To Sampling Of Slurries For Metallurgical Accounting
By Thermo Electron, Tim Sennett
Summary ?SamStat Development ?SamStat Description ?Accuracy ?Availability ?Cost of ownership ?Capital ?Installation ?Operating/Maintenance ?Case Studies ?Modikwa ?Combined concentrate
Jan 1, 2005
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Skorpion Zinc: optimization and innovation - Synopsis
The Skorpion process comprises three processing steps-atmospheric leaching in sulfuric acid, zinc solvent extraction and electrowinning to produce special high grade zinc. The major mode of impurity t
Jan 1, 2007
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Variability of pump system performance - Synopsis
By H. Rosen
The pump is the heart of most industrial and mining plants, providing the energy to separate valuable minerals from process feed. The actual effect of the pump, both in terms of production costs and o
Jan 1, 2010
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Stability Problems And Rock Support At The Tellnes Open Pit Mine, Norway
By Bjørn Nilsen, Brian J. Ballou
The Tellnes open pit mine in Southwestern Norway has been operating since 1960. The maximum height of pit walls is currently about 150 meters with the current mine plan extending this distance to 400
Jan 1, 2006
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Ancient mining in Southern Africa, with reference to a copper mine in the Harmony Block, north-eastern Transvaal
By T. M. Evers, R. P. Van Den Berg
Ancient mining in Southern Africa, with reference to a copper mine in the Harmony Block, north-eastern Transvaal T. M. EVERS. B.A. (Birm.) (Visitor) and R. P. VAN DEN BERG. B.Sc. (Wits.) (Visitor) A r
Jan 1, 1974
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Improving Rockbolt Installations In US Coal Mines - Synopsis
The vast majority of the roughly 100 million rock anchors installed in mines in the USA each year use resin cartridges1. About 4.5 million of these bolts are installed using a mechanical shell in addi
Jan 1, 2011
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In place leaching of oxidized gold deposits. A new method for recovering stranded gold resources?
By P. A. Roberts
A modified in situ leaching method for extracting gold from oxidized gold ores using a non cyanide lixiviant is proposed. A non cyanide lixiviant is suggested because of the obvious concerns posed by
Jan 1, 2009
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Health hazards of South African mine water
By P. Smit
Health hazards of South African . mIne water by P. SMIT, M.B., Ch.B., D.T.M.H., D.P.H. (Visitor) The water supply in South African mines is not as good as most mining engineers would like to believe,
Jan 4, 1977
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The effect of cation and organic addition on the settling and compaction behaviour of clay-rich slimes - Synopsis
A high volume of slimes which are separated out during the mining of heavy mineral sands has a high environmental impact and results in great capital as well as operational expenses. The presence of c
Jan 1, 2010
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Characteristics, recovery and provenance of rutile from the Namakwa Sands heavy mineral deposit, South Africa ? Synopsis
The Namakwa Sands heavy mineral deposit is located along the West Coast of South Africa and the mine is a world class producer of high quality zircon, ilmenite and rutile concentrates from essentially
Jan 1, 2010
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A Practical Approach To Plant Scale Flotation Optimisation
Deciding on plant-scale reagent dosage regimes and air rates is a topic of ongoing investigation and high importance. The current work explains some techniques that have proven useful in deciding on p
Jan 1, 2012
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The Benefit To Open Pit Rock Slope Design Of Geotechnical Databases
By M. J. Little
Potgietersrust Platinums Ltd is Anglo Platinum?s only open pit operation and annually extracts 57 million tonnes of rock from 2 open pits. Over the past 3 years ~220 km of exploration drilling has bee
Jan 1, 2006
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Early start and late start algorithms to improve the solution time for long-term underground mine production scheduling - Synopsis
Mixed integer programming (MIP) has been used for optimizing production schedules of mines since the 1960s. The major problem in the long-term production scheduling for an entire orebody is that the n
Jan 1, 2008