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Electrochemical Vaporization Of SiO From Na2O-SiO2 Slag By Transferred Argon Plasma
By Y. Nakata, K. Nagata
Plasma is partially ionized gas composed of ions, electrons and activated elements at high temperature. Some flying ash from incinerated municipal waste is melted to become glass by a transfer-type ar
Jan 1, 2004
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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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Reduction Of Chromium Oxide Containing Slags Using CaC2 Injection
By J. Björkvall, S. Ångström, L. Kallin
In this paper results from industrial trials of CaC2 injection during stainless steel production in an electric arc furnace at Sandvik Steel is presented. The main purpose of the investigation was to
Jan 1, 2004
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Single Level Extraction At Koffiefontein
By R. L. Pienaar
Paper written on project work carried out in partial fulfilment of B Eng (Min. Eng.) degree A study was conducted to investigated and compare the feasibility of two single level extraction layouts
Jan 1, 2006
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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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Occupational health and safety in mining?status, new developments, and concerns - Synopsis
By M. A. Hermanus
This paper examines the occupational health and safety performance (OHS) of the South African mining sector against the backdrop of changes in the composition of the sector, international trends in OH
Jan 1, 2007
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An Improved Dc-Arc Process For Chromite Smelting
By J. P. W. Bennie, A. de Jong, G. M. Denton
Mintek together with Middelburg Steel & Alloys, developed the DC arc furnace process for the production of ferroalloys with the expressed objective of smelting ore fines (<1mm) without the need for ag
Jan 1, 2004
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An intelligent system for visual monitoring of the ECS complex of the ‘Majdan III’ open pit mine, ‘Potisje-Kanjiza’, Yugoslavia
By K. Kasas, J Kermeci, S. Vujic, S. Secei, P. Kermeci
On the ‘Majdan III’ open pit mine, supplying with brick clays the production plants of the industry of building material ‘Potisje-Kanjiza’ from Kanjiza, a modern ECS (excavator-conveyor-spreader) comp
Jan 1, 2003
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Assessment Of The Risk Of Plug Or Water Barrier Failure Due To Seismicity At South Deep Mine
As part of a comprehensive risk analysis which was carried out into the effectiveness of the water barrier between South Deep and Randfontein Estate mines, the potential threat posed by large seismic
Jan 1, 2006
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MgO modification of slag from stainless steelmaking
By J. Eriksson
Slag from stainless steelmaking is known to disintegrate, which is an environmental problem and prevents the cooled slag from being utilized. This disintegration is due to the transformation from the
Jan 1, 2004
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Mould Fluxes In Continuous Casting Of Steel - Characterization And Performance Tuning
By M. Görnerup, M. Hayashi, S. Seetharaman, C. -Å Däcker
The mould flux plays a crucial role in the continuous casting operation of steel due to its multi-functional assignment as lubricator and heat flux controller. In reality, the commercial fluxes can fa
Jan 1, 2004
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Performance Enhancement Tools For Grinding Mills
By W. Valderrama, D. G. Almond
Operation of large SAG mills requires a change in the conceptual approach to grinding processes. The traditional energy consumption criteria are now enhanced with new criteria derived from the mechani
Jan 1, 2004
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Thermodynamics of the MnO-containing slags and equilibrium relations associated with Mn ferroalloy productions
By S. E. Olsen, K. Tang
Slag-metal and slag-metal-gas heterogeneous equilibria involving MnO-containing slags have been simulated using recently developed Mn-based alloy and IRSID oxide thermochemical databases. A large numb
Jan 1, 2004
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Interaction Between The Block Cave And The Pit Slopes At Palabora Mine (9bc522bc-fe6d-493d-b039-b6a950e034a4)
By A. Moss
The Palabora Mining Company has successfully extended the life of its operation by developing a 30 000 tpd block cave underground mine below the now closed open pit. The process of transitioning from
Jan 1, 2006
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The thermal decomposition kinetics of carbonaceous and ferruginous manganese ores in atmospheric conditions
By F. Dinter, S. A. C. Hockaday, Q. G. Reynolds
The thermal decomposition of carbonate minerals as pre-treatment before smelting reduces the energy requirement for smelting. It can also make the combustion of fossil fuels for heating unnecassary. T
Aug 3, 2023
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Risks Associated With Rockpasses In Deep-Level Tabular Mines Based On Historical Pass Performance
By W. C. Joughin
Problems with the stability and performance of rockpasses in deep-level mines are common. This paper presents the results of an investigation into the recorded performance of rockpasses in deep-level
Jan 1, 2005
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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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Calcium and magnesium rejection from sulphate solutions in lateritic nickel solvent extraction using Versatic 10 acid-LIX®84-IC system - Synopsis
By B. Ndlovu
The world mineral industry has over the years experienced growth in the production of nickel (Ni) due to its use not only in the catalytic industry but mainly also to its demand in the stainless steel
Jan 1, 2008
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Mathematical Model Of Heat And Mass Transfer In The Steel Belt Sintering Process
By T. Fabritius, L. Hekkala, J. Härkki
The Outokumpu steel belt sintering technology is used for manufacturing chromite pellets that are charged into smelting furnace for ferrochromium production. Hot air is blown through the moving bed of
Jan 1, 2004
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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