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DC Furnace Containment Vessel Design Using Computational Fluid Dynamics
By M. Shapiro, L. A. le Grange, B. Henning
Effective pyrometallurgical process vessel design requires accurate assessment of the heat fluxes through the walls of the furnace. This is particularly important for freeze lining operation which is
Jan 1, 2004
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Techno-Economic Impact Of Optimized Lowgrade Thermal Coal Export Production Through Beneficiation Modelling
By J. P. Bergh
The advent of low-quality export coal demand has brought a new range of possibilities to the South African coal industry. Products that traditionally were only of value to the domestic or combustion i
Nov 1, 2013
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The Dissolution Behaviour Of Selected Oxides In CaO-SiO2-Al2O3 Slags
By L. Chen, G. A. Brooks, S. A. Nightingale
The dissolution of alumina and magnesia has been investigated using laser scanning confocal microscopy (alumina) and a rotating finger apparatus (magnesia) to assess the effects of temperature, compos
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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Virtual Reality In Improving Mining Ergonomics (e51e57fe-8473-4839-8430-4a7f6450ca6c)
By P. Foster
Over the past decade there has been a great deal of research into the use of virtual reality (VR) and computer graphics in the mining industry. Much of this has led to developed applications including
Jan 1, 2004
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Project control - an overview
By E. R. Davis, R. J. Knott
The paper discusses some of the tools of management in the field of project control, especially in engineering. Project control includes planning and cost engineering, and involves various phases: the
Jan 1, 1982
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A Risk Consequence Approach To Open Pit Slope Design
By P.J. Terbrugge
Open pit slope design has conventionally been effected as a bottom-up function utilizing available geotechnical information. This results in a decision criterion based on probability of failure and fa
Jan 1, 2006
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Structural Modelling Of Open Pit Mines
By M. K. Elmouttie, G. V. Poropat
The analysis of structure using joint set statistics is well known. Other data such as the position of discontinuities and the contacts between rock mass units cannot be easily incorporated in simple
Jan 1, 2006
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Tunnels Under Pressure In An Ultra-Deep Witwatersrand Gold Mine
By D. H. Diering
The paper takes the reader into the depths of a modern ultra-deep South African gold mine and gives a perspective on the vertical and horizontal extent of the tunnel networks in such a mine. Dependin
Jan 1, 2000
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Thermodynamic Studies Of FeO-Containing Slags And Their Impact On Ladle Refining Process
By P. Fredriksson, S. Seetharaman
In the ladle refining process, the ?FeO?-content of the ladle slag is of great importance in the chemistry as well as the energetics of the process. An optimization of the process requires an accurate
Jan 1, 2004
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Structural Analysis Of Molten Na2O-NaF-SiO2 System By Raman Spectroscopy And Molecular Dynamics Simulation
By H. Urata, K. Ishii
To determine the effect of F ions in the molten alkali silicate systems on their structures, quenched Na2O-SiO2-NaF systems were investigated by Raman spectroscopy and molecular dynamics simulation. T
Jan 1, 2004
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A new preparation scheme for a difficult-to-float coking coal by column flotation following grinding
By Yijun Caoa, Xiuxiang Taoc, Zhongbo Hub, Yinfei Liaoa
A new preparation scheme for a difficult-to-float coking coal from the Kailuan Mine, Tangshan, China was investigated. The results showed that grinding followed by column flotation was beneficial for
Jan 1, 2015
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Economic Evaluation Of Optimum Bench Height In Quarries
By H. Kose
In this research, a model quarry with an annual production capacity of 1 000 000 tonnes has been studied for both pit and hillside quarry cases with constant overall slope angle and variable bench slo
Jan 1, 2005
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Variations In Ultra-Deep, Narrow Reef Stoping Configurations And The Effects On Cooling And Ventilation - Introduction
In exploiting the ultra-deep, narrow reef ore bodies of the Witwatersrand, the ventilation and cooling systems within the stopes play a critical role because of high concentrations of active workers.
Jan 1, 2001
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In-Service Monitoring Of Water Barrier Project At South Deep Gold Mine
By L. J. Olivier
The possible closure and subsequent flooding of South Deep Gold Mine?s (SD) neighbouring Randfontein Estates Limited No. 4 Shaft (REL 4) necessitated the construction of five concrete plugs in the con
Jan 1, 2006
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Computer Modelling Of Molten Halides Using Diffraction Data
By O. I. Ostrovski, D. K. Belashchenko
The aim of this paper is the construction of models of systems with ionic and ionic-covalent bonds (molten salts) using experimental diffraction data and the calculation of their structure and thermod
Jan 1, 2004
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The Importance of People in the Process of Converting a Narrow Tabular Hardrock Mine to Mechanization
By D. Vogt, T. Hattingh
"This paper argues that the technology change to mechanization is also going to require a change in people. It presents a model for technological progress and adapts it to the mining industry. It then
Jan 1, 2016
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Atmospheric Acid Leaching Of Nickel-Copper Matte From Impala Platinum Refineries
By R. M. Lamya
The leaching behaviour of nickel?copper matte in an acidic?copper sulphate solution during the repulping stage at Impala Platinum Refineries has been studied. The base metal recovery process consists
Jan 1, 2006
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Development And Implementation Of A Novel Pressure Leach Process For The Recovery Of Cobalt And Copper At Chambishi, Zambia
By E. Munnik
The Chambishi Metals Cobalt Plant in Zambia has recently installed a novel oxidation/precipitation pressure leach process as part of the COSAC (CObalt from Slag And Copper as by-product) Project. Anir
Jan 1, 2003
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Improved Technologies In Longhole Blast Hole Drilling, Applied To Drop Raising And Longhole Stoping As Well As The Application Of A Small Twin Boom Mechanized Drillrig
?Longhole blast hole drilling? techniques are not new to the mining industry. Appropriate mechanization and improvement of the techniques and application has evolved from the industry requirements. T
Jan 1, 2003