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The Mineral And Petroleum Resources Development Act Of 2002: A Paradigm Shift In Mineral Policy In South Africa
By F. T. Cawood
Inauguration of the new political dispensation in South Africa in1994 initiated a dynamic shift in the ownership, management and development of the country?s affluent mineral heritage. The process of
Jan 1, 2004
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The Link Between The Design Process In Rock Engineering And The Code Of Practice To Combat Rock Fall And Rockburst Accidents (b912fa13-df3d-4808-854e-a64433f9a771)
The paper deals with the importance of design and of codes of practice in ensuring safe working conditions in mines. The design principles involved in the design process are dealt with, and the import
Jan 1, 2004
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Viscous behaviour of CaO-SiO2-A12O3-MgO-FeO slag
By S. H. Yi, J. R. Kim, Y. S. Lee
The viscosities of CaO-SiO2-Al2O3-MgO-FeO slags were measured under conditions ofCaO/SiO2=1.15–1.6, 10–13 percent Al2O3, 5–10 percent MgO and 5–20 percent FeO. Slag viscosity decreased with increasing
Jan 1, 2004
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Justification Techniques For Computer Integrated Mining (14216d4e-8dfe-4513-ac95-a4a15af5ac77)
By S. Dessureault
Computer Integrated Mining (CIMG) is a process of using computer networks to transform islands of enabling technologies into a highly interconnected mining system. CIMG involves the integration of adv
Jan 1, 2004
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Tailings Scavenging - The Complete Story
By B. Talbot
How this simple plant generates a large revenue stream. The concept behind the Tailings Scavenging Plant (TSP) is simple: it is a non-complicated modular plant which is designed to be more stable th
Jan 1, 2004
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Ultrafine Particles: Aggravating Exposure Factor?
By W. C. A. van Niekerk, M. H. Fourie
The carcinogenic potential of chromium (VI) has been the subject of numerous environmental and occupational studies, from which many regulatory efforts emanated. Besides the regulation of levels of k
Jan 1, 2004
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Insights Into The Influences Of Paste Additions And Levels On Söderberg Electrode Management
By F. X. Prins, L. R. Nelson
Tight control of electrode paste additions, hard and soft paste levels, baked zone position and electrode temperatures are integral to superior Söderberg electrode management practices. Paste addition
Jan 1, 2004
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Factors Affecting The Quality Of Tunnel Infrastructure At Premier Diamond Mine
By M. S. Smith
Paper written on project work carried out in partial fulfilment of B. Eng (Mining Engineering) degree The condition of tunnels at Premier has deteriorated to such an extent that an objective viewpo
Jan 1, 2004
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Direct Smelting Of Stainless Steel Plant Dust
By T. J. Goff, G. M. Denton
Mintek has developed the EnviroplasTM process for the treatment of solid wastes from the metallurgical industry, especially steel plant dusts, without requiring agglomeration to produce inert slag and
Jan 1, 2004
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A Rock Mass Rating System For Evaluating Stope Stability On The Bushveld Platinum Mines
By B. P. Watson
Several large falls of ground occur annually in the narrow, tabular stopes mined in the Bushveld Complex. These falls comprise safety risks and cause substantial production losses and compromise effor
Jan 1, 2004
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Phase Equilibria In High MgO Ferro- And Silico-Manganese Smelting Slags
Phase equilibria have been determined experimentally for pseudo-ternary sections of the form ?MnO?-(CaO+MgO)-(SiO2+Al2O3) with a fixed Al2O3/SiO2 weight ratio of 0.17 and MgO/CaO weight ratios of 0.25
Jan 1, 2004
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The Impact Of Platinum Production From Ug2 Ore On Ferrochrome Production In South Africa (0100580e-7046-4d83-b544-b2f8a0fc0e33)
By Basson. J., L. R. Nelson, L. A. Cramer
The South African based platinum mines produce the world?s majority of platinum metal that is used in autocatalysts and jewellery. As the platinum market is forecast to grow at healthy rates into the
Jan 1, 2004
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Mineral Property Valuation In South Africa: A Basket Of Assets And Legal Rights To Consider
By F. T. Cawood
The distinction between real estate ownership and that of interests in the property is fundamental to the appraisal of mineral properties. This distinction affects the nature and understanding of secu
Jan 1, 2004
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Oxidation state of titanium in CaO-SiO2-TiOxslags at 1873K
By P. Gonzalez, C. Ariyo, L. Holappa
Oxidation state of titanium was determined in CaO-SiO2-TiOxslags in the composition range25–53 per cent CaO, 27–46 per cent SiO2, 10–55 per cent TiOxat 1873K using gas equilibration method. In the
Jan 1, 2004
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Surface Tension Of Cu-O Alloys At 1400 K
By C. Nexhip, S. Sun
Critical to understanding and controlling phase mixing and separation in metallurgical processes, is the development of reliable experimental techniques to measure interfacial properties of melt syste
Jan 1, 2004
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Atomisation Of Ferroalloys
By D. Norval, J. J. Dunkley
The process of atomisation is introduced and related to granulation. Some processes applicable to ferroalloys are discussed, along with their limitations and advantages. Examples
Jan 1, 2004
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Management Of Copper Pyrometallurgical Slags: Giving Additional Value To Copper Mining Industry
By J. C. Carrasco, M. Sánchez, R. Jara, F. Marquez, F. Parada, R. Parra, J. Palacios
In past years, Chile has been the largest copper producer in the world and for 2002 mining represented country average of 10 % of the GDP, accounting for 47 % of the total exportation. As copper sul
Jan 1, 2004
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The Development Of An Agglomerate Through The Use Of FeMn Waste
By K. P. Davey
In 1998 an initial objective was given to the author, to process valuable off grade High Carbon Ferro Manganese (FeMn) metal fines profitably. The previous attempts that had been made to re-melt these
Jan 1, 2004
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The Recovery Of Chrome And Manganese Alloy Fines From Slag
By J. H. Van Reenen, H. Thiele, C. Bergman
For some time spirals have been the process equipment chosen to recover metal in the size range 0.15 to 3mm from ferrochrome and silico/ferro manganese slags. Recoveries of metal obtained using spiral
Jan 1, 2004
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A Comparison Of Different Cyclones In Addressing Challenges In The Classification Of The Dual Density UG2 Platinum Ore
By A. Mainza
It is common practice in the mineral processing industry to use hydrocyclones for particle classification. However, classification in the UG2 platinum circuits using the hydrocyclone poses major chall
Jan 1, 2004