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An Investigation Into Introducing A New Support Element At Khomanani 2: Resin Bolts Or 1.5 M In-Stope Roofbolts ? Synopsis
By T. J. Kolokoto
This paper is based on a project conducted at Khomanani 2 shaft, Anglo American Platinum Limited. The main objective was to find an alternative support element in stopes to address the falls of ground
Jan 1, 2013
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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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Hybrid Energy Flotation?? On The Optimization Of Fine And Coarse Particle Kinetics In A Single Row - Synopsis
By D. Govender
Theoretical flotation models suggest that there is a positive relationship between bubble-particle collision rates and turbulent kinetic energy dissipation. Fine particle flotation performance is gene
Jan 1, 2013
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Formation Of Silicon By Electro-Deoxidation, And Implications For Titanium Metal Production
Electrochemical measurements are presented on electro-deoxidation of silica in molten calcium chloride at 900°C, with porous silica pellets as starting material. Measurements during pre-electrolysis (
Jan 1, 2006
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Selective Leaching Of Phases Occurring In Charge Chrome
By A. Wedepohl
Selective leaching of phases in charge chrome is used in a variety of industrial processes for the production of chromium chemicals. A mineralogical study was made of a range of local charge chrome sa
Jan 1, 2000
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Finite Element Modelling Of Electric Currents In Ac Submerged Arc Furnaces
By I. Mc Dougall
Finite element models were generated of two submerged arc furnaces of different geometries. A 48MW circular furnace and a 68MW 6-in-line rectangular furnace were studied. The electrodes, raw material,
Jan 1, 2007
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Application Of A High-Intensity Cooling System To Dc-Arc Furnace Production Of Ferrocobalt At Chambishi
By B. Salt, R. Sullivan, E. Roos, M. de Vries, K. McKenna, L. R. Nelson, M. J. N. Uys, P. Jacobs, E. Munnik, P. Lewarne
A review is presented of the furnace cooling system design and operating developments since the initial furnace start up in January 2001 of the Chambishi DC-arc furnace to produce ferrocobalt alloy. T
Jan 1, 2004
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How fine particles on haematite mineral ultimately define the mineral surface charge and the overall floatability behaviour - Synopsis
By S. Montes
Mineral floatability is strongly connected with mineral structure and composition. The complexity of mineral surfaces has meant that few attempts have been made to understand the effect of impurities
Jan 1, 2007
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An algorithm for quantifying regionalized ore grades - Synopsis
We present a novel hybrid algorithm for quantifying the ore grade variability that has central importance in ore reserve estimation. The proposed algorithm has three stages: (1) fuzzy clustering, (2)
Jan 1, 2008
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Mould Powder Selection For Thin Slab Casting
By J. A. Kromhout, J. Trouw, A. A. Kamperman, M. Kick
Mould powders play an important role in the stability of the continuous casting process. The main functions of mould powders are to provide sufficient lubrication and to control the horizontal heat tr
Jan 1, 2004
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The Performance And Properties Of Mould Fluxes
By A. B. Fox, R. P. Thackray, K. C. Mills
The role of mould fluxes in continuous casting is reviewed. The main functions of the flux are described and the importance of the flux in providing lubrication and the right level of heat transfer be
Jan 1, 2004
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Observations Of Behaviour Of Oxide Inclusions At Molten Slag/Steel Interfaces
By Y. Wang, S. Sridhar, B. Coletti, G. N. Shannon, S. Vantilt
The final removal of inclusions in the ladle, tundish, and mold in a continuous casting process involves the kinetic steps of liquid film drainage, interface rupture, and absorption of the inclusion i
Jan 1, 2004
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A Practical Approach To Plant-Scale Flotation Optimization - Synopsis
Decision-making regarding plant-scale reagent dosage regimes and air rates is a topic of ongoing investigation and high importance. The current work explains some techniques that have proven useful in
Jan 1, 2013
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Modelling viscosity of TiOx containing silicate melts
Experimental studies on viscosity of titanium bearing slags have been reviewed and the assessed data were used in extending the capability of the structurally related viscosity model for silicate melt
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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Ground behavior investigation during roof fall in a roadway
By V. V. Nazimko, A. I. Hohotva, S. N. Alexandrov, V. P. Sazhnev, V. S. Zaharov
Ground behaviour in the vicinity of a roadway has been investigated using a physical model and in situ tests during a roof fall. It was discovered that behaviour of the ground is governed by irreversi
Jan 1, 2003
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Rough-Wall And Turbulent Transition Analyses For Bingham Plastics (ff09849d-d0b2-4db9-a912-4035370a09bb)
By A. D. Thomas
Some years ago, the authors developed an analysis of non-Newtonian pipe flow based on enhanced turbulent microscale and associated sublayer thickening. This analysis, which can be used for various rhe
Jan 1, 2007
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Modelling Physico-Chemical Properties Of Melts And Kinetics Of Coal-Slag Reactions
By D. Xie, S. Sun
An overview of recent development of CSIRO?s Multi-Phase reaction models will be presented with examples comparing the calculated physico-chemical properties of metallurgical slags with the existing e
Jan 1, 2004
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Bateman Mega DMS Modules- Successes And Challenges - Introduction
By N September, R Abate
Bateman Modular (previously Van Eck and Lurie) has been building and supplying the mining industry with modular DMS plants for the last 30 years. These DMS modules range in capacity from 1 tph to 200
Jan 1, 2006
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Modelling Of Al, Si, Mn And Ti Partition Between Slag And Fe-Ni Alloys
By S. Witzke, J. Lehmann, H. Gaye
The modelling work presented here concerns Ni-bearing steels produced by Imphy Ugine Précision. In such grades, the contents of elements such as silicon or titanium must be precisely controlled by sla
Jan 1, 2004