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Sulphuric Acid Plant Water Saving Options
By R. J. Forzatti
The production of sulphuric acid from sulphur generates heat. The majority of this heat is recovered as steam and is often used to generate electricity. Heat not recovered as steam is rejected to cool
Jan 1, 2014
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MINATAUR?: The Mintek Alternative Technology To Gold Refining
By S. A. Scott
Mintek developed the MinataurTM leach-solvent extraction-precipitation technology as a cost effective, easily operated alternative to conventional gold refining processes. The technology was first com
Jan 1, 2004
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Extending Zinc Production Possibilities Through Solvent Extraction
The Modified Zincex® Process, developed by Técnicas Reunidas, is highly flexible dealing with a wide range of pregnant leach solutions. No matter if those solutions are produced from primary or second
Jan 1, 2002
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Labour?s Utilization And Labour?s Productivity Of A Gold Mine In Saudi Arabia
By M. S. M. Aljuhani
In this paper, one of the human factors that affect productivity in an underground gold mine in Saudi Arabia was investigated and analysed for the purpose of improving productivity. The human factor t
Jan 1, 2002
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Dynamic Support Rationale and Systems
By U. Singh, E. T. Brown, J. Coxon
The rapid fracturing and deformation that occurs around excavations during rock bursts demand that support and reinforcement systems have both deformability and damping capabilities. The energy deman
Jan 1, 2003
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Development Of A Viable Process For The Recovery Of Zinc From Oxide Ores
The Skorpion Zinc Project demonstrated the viability of the production of zinc from non-sulphide (commonly called ?zinc-oxide?) ores, using the leach/solvent extraction/electrowinning process route. T
Jan 1, 2008
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A Geotechnical Rationale For The Design Of South African Open Cast Coal Mine Highwalls
Open cast mining has been practiced in South Africa since the late1970s under near ideal geotechnical conditions. In the past decade, with the exhaustion of the traditional South African coal fields,
Jan 1, 2001
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The Truths And Myths Of Freeze Lining Technology For Submerged Arc Furnaces
By P. L. Duncanson, J. D. Toth
Since 1995, when "freeze lining" refractory systems were introduced to the ferroalloy industry, they have gained in popularity, due to the freeze lining?s reputation for reliability, safety, and the c
Jan 1, 2004
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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
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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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Mobile hydraulic support for copper ore mines
By K. Kotwica, P. Gospodarczyk, J. Sosnica, J. Pawlik, Z. Iwulski, K. Pawlik
The paper presents problems resulting from the mobile mining machines functioning and requirements concerning a machine control system, which controls successive operation stages of such machines. The
Jan 1, 2003
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Innovations In Ferro Alloys Technology In India
By C. N. Harman
Steel is the most versatile material which has made the progress in every aspect on this earth possible. There are hundreds of varieties of steel because for each application it has to be made with sp
Jan 1, 2007
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Atmospheric Oxidative and Non-Oxidative Leaching of Ni-Cu Matte by Acidified Ferric Chloride Solution
By L. M. Sekhukhune
The atmospheric leaching of copper-bearing matte by acidic ferric chloride solution was studied at the laboratory scale. The aim was to achieve maximum copper and nickel recovery by investigating the
Jan 1, 2014
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Evaluation of roof rating systems being used in South Africa
By T. Dlokweni
Several Rockmass classification systems have been developed and used in Civil Engineering design and for underground mining operations. Some of these rockmass classification systems have been modified
Jan 1, 2003
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Cyanide Control In The Metallurgical Process Of Gold Extraction In AngloGold (S.A.)
By B. J. Vorster
AngloGold South Africa region currently consists of twelve gold plants. These plants use a combined total of $20 million of cyanide per annum. Of this, the major portion (60%) is consumed at two Ergo
Jan 1, 2001
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An expert system approach in rock engineering risk assessment
By A. V. Z. Brink
Rock engineering risk is defined in this paper as a function of the potential ground motion; the vulnerability of the workplace; exposure of people; and a general term – quality of information. The pa
Jan 1, 2003
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Silicomanganese Production - Process Understanding
By S. E. Olsen, M. Tangstad
The main source of Mn in raw materials for SiMn production is Mn-ore and Mn-rich slag from the high carbon FeMn production. The amount of slag per tonne of SiMn metal is mainly determined by the ore/s
Jan 1, 2004
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Interpreting The Role Of Reagents In The Flotation Of Platinum-Bearing Merensky Ores
By J. G. Wiese
Reagents are added to the flotation process of Merensky Reef ores to achieve specific functions that enable the separation of valuable minerals from gangue minerals on the basis of the difference in t
Jan 1, 2006
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Integrated comminution and flotation neurocontrol using evolutionary reinforcement learning
By A. v. E. Conradie, I. Nieuwoudt
Comminution and flotation circuits are frequently perturbed by disturbances, such as feed particle size variations, ore hardness and varying mineral liberation, which can have a significant impact on
Jan 1, 2003
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A new evaluation method of JRC and its size effect
By T. Saito, S. Murata
An original concept of JRC-diagram that can evaluate JRC and its size-effect by using a fractal model was proposed. In order to confirm the applicability of the JRC-diagram, first, JRC of the tensile
Jan 1, 2003