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Electrical Energy Management In The Ferroalloy Business
By P. J. Brereton-Stiles, M. S. Rennie, N. Singh
Ferroalloy producers are large-scale users of electrical energy, which in many countries is in short supply and increasingly expensive. Preheating and/or pre-reduction using natural gas, recycled furn
Jan 1, 2004
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Measurement of induced stress under high rock stress by compact conical-ended borehole overcoring technique
By K. Sugawara, H. -S. Jeong, Y. Ishiguro, J. Otani, Y. Obara, A. Hirata
A series of measurements of induced stress by the Compact Conical-ended Borehole Overcoring (CCBO) technique was performed within rock mass around a tunnel excavated in a region that an underground po
Jan 1, 2003
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Evaluation Of Oxine-Type Ligand Coordination To Zirconium (IV) - Synopsis
By M. Steyn
[Zr(C9H6NO)4]?(HCON(CH3)2)?(H2O), where (C9H6NO) = 8-hydroxy quinoline (oxH), was synthesized and characterized. This tetrakis-coordinated zirconium complex crystallized in the triclinic crystal syste
Jan 1, 2013
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A Progress Report On Ultra-High-Pressure Waterjet Cutting Underground: The Future Of Narrow Reef Gold And PGE Mining
By C. D. K. Gauert
High-pressure waterjet technology is proposed as an alternative tool for selective underground mining of high-grade ore sections in stratiform orebodies showing a preferred ?bottom? or ?top? enrichmen
Jan 1, 2013
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Preliminary Investigations Of Low-Nickel Stainless Steels For Structural Applications
By J. Kerr
The first stage of the development of a new modified 201-type low nickel austenitic stainless steel is described in this paper. The alloy is intended for use as a structural alloy, and so requires a y
Jan 1, 2004
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Melting And Densification Of Electrode Paste Briquettes In Søderberg Electrodes
By B. Larsen, S. Z. Nascimento, K. Fidje, J. P. M. Amaro, H. Gran
Safe and good operation of Søderberg electrodes is dependent upon high quality electrode paste coupled with correct electrode operating procedures. Good electrode performance depends further on proper
Jan 1, 2004
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Virtual reality applications in the Australian minerals industry
Virtual Reality (VR) simulations are excellent tools for training, education, simulation of abnormal and dangerous conditions in mines and solving complex problems. Although the concept of VR has been
Jan 1, 2003
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A decision analysis guideline for underground bulk air heat exchanger design specifications
By M. Hooman, W. M. Marx, R. C. W. Webber-Youngman
This paper discusses a study that investigated different underground bulk air heat exchanger (>100 m3/s) design criteria. A literature review found that no single document exists covering all design c
Jan 1, 2015
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Enhanced Geological Modelling of the Upper Elsburg Reefs and VCR to Optimize Mechanized Mine Planning at South Deep Gold Mine
By K. Osburn
South Deep Gold Mine, owned by Gold Fields Ltd., is situated near Westonaria in the Gauteng Province of South Africa and mines the conglomerate bands of the Upper Elsburg reefs (Mondeor Conglomerate F
Jan 1, 2014
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Coal And Coal Preparation In South Africa - A 2002 Review
By D. Peatfield
The design and operation of coal preparation plants are governed by the inherent quality of the raw coal to be processed, market specifications and the saleable tonnage requirements. Topography influe
Jan 1, 2003
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Micropore Carbon Furnace Lining
By Stefan Basista, Janusz Tomala
Modern constructions of electric ferroalloy furnaces are still based on applying in the lower "liquid" areas the standard carbon materials. What can be illustrated by the experience from several years
Jan 1, 2007
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Thermodynamic Stability Of Graphitic Diamond Films Produced Using CCVD Apparatus
By P. Mokwena
Paper written on project work carried out in partial fulfilment of BSc (Hons) in Chemical Engineering Diamond synthesis has attracted a great deal of interest because of its exceptional properties
Jan 1, 2007
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Technological Change Yields Beneficial Process Improvement For Low Carbon Ferrochrome At Zimbabwe Alloys
By N. R. Shoko, J. Chirasha
Zimbabwe Alloys has been producing Low Carbon Ferrochrome since 1953. A number of operational and technical advances have been made since then. Some of these advances improved production significantly
Jan 1, 2004
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The Behaviour Of Coke In Submerged Arc Furnace Smelting Of Ferromanganese
By S. Kamalpour
It has been observed that the productivity of ferromanganese furnaces, and the stability of metal and slag compositions, vary considerably according to the type of coke used as reductant. However, the
Jan 1, 2004
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Release Analysis of Coal Fines: Evolution of the Methodology and Critical Issues Involved
By L. Sahu, S. Bhattacharya, S. Dey
"An ideal procedure to determine the limits of flotation-based separation, as is the case with washability analysis for density separation, does not exist. Therefore, a procedure called release analys
Jun 1, 2019
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The Build Up Of Additional HCFeMn Production Capacity By The Deepening Of A Furnace
By T. Nishi, D. Teguri, K. Saitoh
In recent years the requirement for high carbon ferro-manganese (HCFeMn), which is the key product of our company, has increased due to bullish demand for steel products. In our Tokushima works, we
Jan 1, 2007
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A Comparative Assessment Of Ti-47.5 At.%Al Cathodically Modified By Precious Metal Addition - Synopsis
By I. A. Mwamba
Plain and alloyed titanium aluminides of composition Ti-47.5 at.% Al were prepared by melting commercial-purity titanium and aluminium with additions of 1 at.% precious metal. The as-cast alloys were
Jan 1, 2013
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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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Use of magnetic anistropy sensor for measurement of stresses on steel support and its potential
By H. Sekimoto, T. Matsuoka, K. Yasuhara, M. Ota, S. Akutagawa
A magnetic anisotropy sensor is used for nondestructive measurement of stress on surfaces of a ferromagnetic material, such as steel. The sensor is built on the principle of the magneto-strictive effe
Jan 1, 2003
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On the surface noxious gas emissions from old iron mines
By D. Grabowski, Z. Pokryszka
A study carried out in the iron basin of Lorraine (North-East of France) highlighted the existence of under-oxygenated and noxious gas emissions (carbon dioxide, radon…) in vast built-up areas related
Jan 1, 2003