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Testing Stemming Performance, Possible Or Not? - Synopsis
By D. Boshoff
The ability of an explosive to break rock is influenced considerably by the extent of confinement in the blasthole. It is believed that confinement is improved by the use of adequate stemming. The aim
Jan 1, 2011
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Laboratory Study Of The Interaction Mechanisms Between Magnesia-Chromite Refractories And Al2O3-Rich VOD Slags
By S. Parada, P. T. Jones, M. Guo, S. Smets
The corrosion behaviour of a high-quality rebonded magnesia-chromite refractory in contact with a vacuum oxygen decarburization (VOD) slag with high Al2O3content (15?20 mass per cent) is investigated
Jan 1, 2004
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Reduction Of Chromium Oxide In Stainless Steel Slags
By N. Sano
The chromium oxide in stainless steel slags usually exists as Cr2O3. However, there is a possibility that it is oxidized to hazardous CrO3 after disposal or during use. Therefore, some technical devel
Jan 1, 2004
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An Overview Of PGM Smelting In Zimbabwe - Zimplats Operations
By L. Mabiza
Keywords: Pyrometallurgy, circular furnace, PGM, platinum, Peirce-Smith converter, Zimbabwe The Zimplats Smelter, located on the northern part of the Great Dyke, at the Selous Metallurgical Comple
Jan 1, 2006
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A Review Of Sub-Saharan Heavy Mineral Sand Deposits: Implications For New Projects In Southern Africa
By R. M. Tyler
The importance of the heavy mineral sands to southern African economic well-being cannot be over emphasized. The value of the worldwide titanium dioxide industry is estimated at $7 billion. Six out of
Jan 1, 2004
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Experimental Determination of Compressive, Pulling and Torsional Resistance of Mudcakes using a Triple Action Load Cell Assembly
By Md. Amanullah
A novel triple action load cell assembly (LCA) was developed to determine three index parameters reflecting compressive, tensile and shear characteristics of mudcakes. The results indicate that the te
Jan 1, 2003
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Viscosity and flow behaviour of TiO2-containing blast furnace slags under reducing conditions
By Y. Mao, D. Xie
The viscosity of TiO2-containing blast furnace slags may increase rapidly (commonly referred to as thickening) under strong reducing conditions in the blast furnace. To elucidate the mechanisms for sl
Jan 1, 2004
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Book review
Book review Proceedings of the Symposium on Mining Methods. London, Institution of Mining and Metallurgy, 1974. 160 pp. The Symposium was held from 30th October to 1st November, 1974, and the papers i
Jan 2, 1977
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Relationships between comminution energy and product size for a magnetite ore - Synopsis
An extensive laboratory grinding study was carried out on a magnetite ore in order to assess the grinding behaviour of magnetic concentrate and tail from low intensity magnetic separation (LIMS).The t
Jan 1, 2010
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Copper And Cobalt Extraction From Sulphate Solution Using Natural Clinoptilolite
By D. Nyembe, B. Mamba, Antoine F. Mulaba-Bafubiandi
Copper and cobalt are generally electro-won from their aqueous sulphate solutions. After optimised leaching of their ores, concentrates or calcine bearing minerals, the leachate is clarified and suita
Jan 1, 2007
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The behaviour of free gold particles in a simulated flash flotation environment
A reliable laboratory method to characterize the response of free gold particles to flash flotation conditions has been developed. The test has been performed on free milling gold ores as well as synt
Jan 1, 2015
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Hatch Developments In Furnace Design In Conjunction With Smelting Plants In Africa
By R. Sullivan, K. Joiner, B. Emery, M. de Vries, F. A. Stober, L. R. Nelson, J. M. A. Geldenhuis
Keywords: Pyrometallurgy, smelting, converting, furnace design, furnace retrofit, high-intensity smelting, copper coolers, plate coolers, waffle coolers, tap-blocks, lower sidewall air-cooling, wall h
Jan 1, 2006
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Proceedings, 106th Annual General Meeting, 2003
The 106th Annual General Meeting of The South African Institute of Mining and Metallurgy was held in the J.C. Lemmer Auditorium, SA National Museum of Military History, 22 Erlswold Way, Saxonwold, Joh
Jan 1, 2003
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The viability of using the Witwatersrand gold mine tailings for brickmaking
By S. Ndlovu, M. Malatse
"The Witwatersrand Basin is the heart of South Africa’a gold mining industry. The cluster of gold mines located in the Witwatersrand Basin generates a significant amount of mine tailings, which have a
Jan 1, 2015
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Presidential Address: Post-Mining Use of Rehabilitated Land – An Opportunity for the South African Mining Industry for Sustainable Development
By M. I. Mthenjane
"BackgroundThe paper discusses post-mining land use however, the essence of the topic is the emotional motivation behind the decisions related to mining investment and development. Therefore this is n
Jul 1, 2019
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Flow Behaviour And Drag Reduction Of Fluidic Ash-Water Slurries
By P. Vlasak, Z. Chara
Since the flow behaviour of slurry containing both coarse and very fine particles has not been sufficiently clarified, the paper focuses on the experimental study of the particle size distribution, ti
Jan 1, 2007
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Integrated Furnace Controls: Implementation On A Covered-Arc (Shielded Arc) Furnace At Cerro Matoso
By T. Gerritsen, R. C. Delgado, J. Janzen, E. R. Veloza
The paper describes the components of an Integrated Furnace Control system for covered-arc (shielded arc) smelting with results from the recently started 75 MW Cerro Matoso Line 2 Furnace. The paper s
Jan 1, 2004
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Optimizing yield of metallic zinc tapped from a zinc smelter by studying factors causing zinc losses to dross - Synopsis
By A. de Meyer
Zincor experienced significant losses of metallic zinc to dross during the melting of zinc cathode plates. In this study five factors affecting the formation of dross are identified from literature. D
Jan 1, 2010
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Control Of Strong Ground Motion Of Mining-Induced Earthquakes By The Strength Of The Seismogenic Rock Mass
By A. McGarr
The shear stress t that can be sustained by the rock mass in the environs of a mining-induced earthquake controls the near-fault peak ground velocity v of that event according to v=0.25(ß/G)t, where ß
Jan 1, 2002
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Stability of underground opening in rock salt
By C. Erichsen, J. Werfling
ABSTRACT: A three-dimensional elastic constitutive model for rock salt is proposed. This stress strain law takes into account the three phases of creep (transient, steady state and accelerated creep),
Jan 1, 2003