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A Lining Management System For Submerged Arc Furnaces
By Wayne Burmeister, Danie Benade, Louis Meyer, Hugo Joubert
What is not measured cannot be managed. This is true of most things, including a furnace lining. This paper describes a Lining Management System used for this purpose. It provides the operations st
Jan 1, 2007
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Support stability mechanism in a coal face with large angles in both strike and dip
By X. Q. Cao, D. S. Zhang, L. Q. Ma
To solve the support stability control problem for a coal face with large angles along both strike and dip (CLSD), the ’support-surrounding rock’ mechanical model has been developed, which takes into
Jan 1, 2015
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1D Numerical Simulation of Velocity Amplification of P-Waves Travelling Through Fractured Rock Near a Free Surface
By G. Swan, E. Nordlund, P. Zhang
"SynopsisThe most widely used support design damage criterion for rockburst-prone mines is based upon kinetic energy, which is proportional to the square of the ejection velocity and is commonly expre
Jan 1, 2015
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Evaluation of some optimum moisture and binder conditions for coal fines briquetting
By P. Venter, N. Naude
"Coal mining is a thriving industry and 53% of the coal mined in South Africa is used for electricity generation. Mechanization has made coal mining more efficient, but fines generation has subsequent
Jan 1, 2015
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CFD modelling of methane movement in mines
By D. Whittles, C. J. Lea, T. X. Ren, A. Kelsey
A methodology for the simulation of methane drainage combining geotechnical modelling and computational fluid dynamics (CFD) will be described. Geotechnical modelling was used to predict the developm
Jan 1, 2003
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A Philosophical View On The Testing Of Rock Support For Rockburst Conditions ? Synopsis
Physical testing of rock support for rockbursting conditions has been carried out for over 40 years. A review of this testing shows that it has been mostly component?based, rather than actually testin
Jan 1, 2012
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Wind Erosion Of Tailings Dams And Mitigation Of The Dust Nuisance
By G. E. Blight
Wind erosion can be a major cause of the loss and dispersion of tailings material from a tailings dam into its surrounding environment. Such dust dispersion can be a serious nuisance, as well as a hea
Jan 1, 2007
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A Bacterial Heap Leaching Approach For The Treatment Of Low Grade Primary Copper Sulphide Ore
By S W. Robertson, A Vercuil, P Craven
Mintek is currently developing a design approach for the heap leaching of low-grade primary copper sulphide material. Since the leaching of chalcopyrite requires elevated temperatures, the generation
Jan 1, 2005
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Net Present Value Maximization Model For Optimum Cut-Off Grade Policy Of Open Pit Mining Operations ? Synopsis
The optimum cut-off grade policy maximizes the net present value (NPV) of an open pit mining operation subject to the mining, processing, and refining capacity constraints. The traditional approaches
Jan 1, 2011
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A Phased Development Schedule For A Platinum Concentrator Utilizing A Dynamic Stockpile Model ? Synopsis
By J. Labuschagne
There are a number of factors that contribute to the profitability of a mine and its associated concentrator. Chief among these is the time taken from the first hoist of material from underground to t
Jan 1, 2013
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Gravity Circuit Optimisation Via Mathematical Modelling By Particle Size Classes
By Ishwinder Grewal, Michael Fullam
Many factors affect the overall performance of a gravity circuit beyond that of the primary gravity recovery device. It is critical to examine the gravity circuit in its entirety in order to determin
Jan 1, 2006
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Modeling Viscosities Of Ferromanganese Slags
By Merete Tangstad, Kai Tang
The primary aim of the present investigation is to develop a model which permits to calculate/predict the viscosities of ferromanganese slags, typically focus on the MnO-SiO2-Al2O3-CaO-MgO-FeO multico
Jan 1, 2007
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A Finite Element Model Of A Søderberg Electrode With An Application In Casing Design
By W. A. Gericke, B. Olmstead, I. Mc Dougall, C. F. R. Smith
A finite element model was generated of a Søderberg electrode in a ferromanganese smelter. In this model, the casing and fins were modelled explicitly, and temperature-dependent material properties we
Jan 1, 2004
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A Thermodynamic Approach To Physical Properties Of Silicate Melts
By S. Sridhar, R. E. Aune, M. Hayashi
Thermophysical properties of silicate melts are strongly structure dependent. It is well known that the viscosities of slags increase with increasing the degree of polymerization of silicate anions. E
Jan 1, 2004
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The Effect Of Alumina In Ferromanganese Slag
By Sverre Olsen, Kai Tang
The composition of ferromanganese slag is very important as it determines the slag/metal equilibrium relations including MnO content of final slag, melting relations and slag viscosity. The slag compo
Jan 1, 2007
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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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Keynote Adress: Coal Competitiveness And Energy Alternatives
By G. Broadbent
It is an honour to be invited as a speaker to this ICCR conference and a pleasure to be with you here in South Africa. I have been asked to talk about the competitiveness of coal versus other energy a
Jan 1, 2001
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Application of borehole seismic and AE monitoring technique in the rock cavern
By M. Tanaka, K. Aoki, T. Mori, H. Morioka, K. Iwano, T. Kanagawa
To estimate the detailed characteristics of the rock around the cavern during excavation, new monitoring technique for dynamic properties of the rock has been applied. In this paper, micro-seismic mon
Jan 1, 2003
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An Investigation Into Aspects Of Liquid Phase Reduction Of Maganese And Silica Containing Slag
By S. E. Olsen, M. Tangstad, G. Tranell, K. Berg, S. Gaal
In this study, the reduction behaviours of MnO and SiO2containing slags by solid carbonaceous materials was investigated in both small and larger-scale laboratory experiments. Five types of carbonaceo
Jan 1, 2004
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Mass Exchange At The Metal-Slag Interface In The Continuous Casting Process
By P. R. Scheller
Reactions between metal and slag are of decisive importance for metallurgical processing. In the continuous casting process, where metal solidifies at the metal-slag interface, reaction products can c
Jan 1, 2004