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Between-Laboratory Biases-Same Sample, Different Answers. Some Guidelines
By M. McWha
Laboratory bias is a universal problem in all branches of analytical science. It results from differences in methods, techniques, equipment, and calibrations between laboratories. Notwithstanding that
Jan 1, 2014
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Design And Support Of Rockpasses At Ultra-Deep Levels
By F. M. C. C. Vieira
The DEEPMINE Research Programme sought to develop the technology and competence to mine gold safely and profitably at depths of 3 to 5 km. Among the many issues addressed was the stability and support
Jan 1, 2005
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Mining Simulation For Room And Pillar Coal Operation - Synopsis (35020da1-a41b-47f2-ae4d-a98b4b67bef1)
By S. P. Pereira
The mechanized mining cycle using loaders and shuttle cars had its peak in terms of usage in the mining industry during 1950 through 1960. In Brazil, this system is still used at underground coal mine
Jan 1, 2012
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Mining Simulation For Room And Pillar Coal Operation - Synopsis
By S. P. Pereira
The mechanized mining cycle using loaders and shuttle cars had it speak in terms of usage in the mining industry during 1950 through 1960. In Brazil, this system is still used at underground coal mine
Jan 1, 2012
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Decomposition Of Li2CO3 In Existence Of SiO2 In Mould Flux Of Steel Casting
By J. -W. Kim, Y. -B. Kang, H. -G. Lee
The effect of SiO2addition on the decomposition of Li2CO3was investigated at temperatures up to 1000ºC. It was found that addition of SiO2greatly enhanced the decomposition of Li2CO3. The main decompo
Jan 1, 2004
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Pushback 8 South ? A Case Study In Pit Slope Management
By P Knight, P A. Walker, H E. Speight
Pushback 8 South is the final cut back on the south wall of the East Pit at BHPBilliton?s Mt Whaleback iron ore mine in the Pilbara region of Western Australia. Development of the cutback commenced i
Jan 1, 2006
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Investigations Into The Reduction Of Moisture In Fine Coal By Plant Tests With Surfactants
By A. Nkolele
Paper written on project work carried out in partial fulfilment of B. Tech (Metallurgical Engineering) degree Fine coal of the Goedehoop Colliery is dewatered by centrifuging before being sold. Ful
Jan 1, 2004
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Hydrometallurgical Treatment Of Haib Copper Ore
By W. J. Schlitt
The Namibian Copper Joint Venture has been formed to undertake development of the Haib copper deposit, one of the largest undeveloped copper resources in Africa. The development programme includes ext
Jan 1, 1999
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A Case Study Application Of Linear Programming And Simulation To Mine Planning - Synopsis
By J. A. de Carvalho Junior
This paper analyses the impact of the uncertainty associated with the input parameters in a mine planning optimization model. A real example was considered to aid in the building of a mathematical mod
Jan 1, 2012
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Technical skills?a major strategic issue - Synopsis (fe76e3c8-f6c3-411a-a6dd-39c52c339bd0)
A shortage of technical skills in all areas of the mining industry is being experienced worldwide. This has significant consequences for design, operations, productivity and safety and, therefore, nee
Jan 1, 2008
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Evaluation of a Versatic 10 Acid/Nicksyn? Synergistic System for the Recovery of Nickel and Cobalt From a Typical Lateritic Leach Liquor
By A. C. du Preez
Mintek has been involved in extensive test work since the early 1990s on the recovery of nickel and cobalt from leach liquors saturated in calcium, using synergistic solvent extraction systems. During
Jan 1, 2014
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Quantitative Rockburst Hazard Assessment At Elandsrand Gold Mine
By F. Essrich
A quantitative rockburst hazard assessment procedure was introduced on Elandsrand Gold Mine at the end of 1994. It is currently used to evaluate the seismicity-related risk in production areas on the
Jan 1, 1997
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Moisture Adsorption And Desorption Characteristics Of Some South African Coals
By Q. P. Campbell
The high final total moisture content of fine coal after mining and processing is one of the major reasons that this resource is not extensively used in subsequent power generation, combustion, or oth
Nov 1, 2013
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Application Of Membrane Technology In Abase Metal Refinery ? Synopsis
By D. W. Nel
Nanofiltration (NF) has attracted much attention over the past few years due to the reduced energy consumption compared to reverse osmosis (RO) and better separation performance compared to ultrafiltr
Jan 1, 2013
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Characterization And Batch Testing Of A Secondary Lead Slag
By A. E. Lewis
The emphasis of this paper is on the characterization and testing of the slag produced by a secondary lead refinery. This work forms part of a broader investigation aimed at reducing loss of valuable
Jan 1, 2000
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Stability evaluation of room-and-pillar rock salt mines by using a flat jack technique – A case study
By M. Z. Emad, N. Abbas, Y. Majeed
Room-and-pillar mining is commonly employed for the extraction of rock salt in undergroundmines. Pillar stress is a major concern in these mines as it is directly related to stability and mineralrecov
Jun 5, 2023
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Proceedings of the February, 1969, General Meeting
The February General Meeting of the Institute was held in Kelvin House, Johannesburg, on 19th February, 1969 at 4.30 p.m. Mr R. C. J. Goode (President) was in the Chair. There were also present
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A Semi-Empirical Approach To Cutting Force Prediction For Point-Attack Picks
By R. M. Goktan
Point-attack picks are one of the most widely used tools for the mechanical excavation of rock and coal. In the literature, some practical formulas have been developed to estimate their performances u
Jan 1, 2005
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Electrochemical Corrosion Testing Of Solid State Sintered Silicon Carbide In Acidic And Alkaline Environments
By A. Andrews
Paper written on project work carried out in partial fulfilment of MSc (Eng) degree Solid state sintered silicon carbide ceramics are used in aggressive environments as sealings. There exist data
Jan 1, 2006
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A Case Study Application Of Linear Programming And Simulation To Mine Planning ? Synopsis
By J. A. de Carvalho Junior
This paper analyses the impact of the uncertainty associated with the input parameters in a mine planning optimization model. A real example was considered to aid in the building of a mathematical mod
Jan 1, 2012