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Gasification of low-rank coal in the High-Temperature Winkler (HTW) processBy D. Toporov, R. Abraham
"Gasification is a process of thermal conversion of solid carbonaceous materials into a gaseous fuel called syngas. Coal gasification is an efficient technology for a range of systems for producing lo
Jan 1, 2015
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What happened to the mechanics in rock mechanics and the geology in engineering geology - SynopsisBy P. J. N. Pells
A good thing is becoming a bad thing. Rock mass classification systems, that are so excellent for communications between engineers and geologists, and that can be valuable in categorizing project expe
Jan 1, 2008
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Safety Considerations In Underground Logistics?A Look At Vertical, Horizontal And In-Stope Transportation Systems ? SynopsisBy S. M. Rupprecht
Transportation accounts for some 26% of all mine accidents in South Africa. Although this figure may not be as prolific as fall of grounds accidents or accidents caused by seismic events, the enormity
Jan 1, 2011
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Comparison Between Artisanal and Smallscale Mining in Ghana and South Africa: Lessons Learnt and Ways ForwardBy A. A. Debrah
Artisanal and small-scale mining (ASM) plays a fundamental role in the national and local economies of resource-rich countries in Africa. As such, more effort must be geared towards fostering this typ
Jan 1, 2014
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Perceptions of the Impact of Board Members? Individual Perspectives on the Social and Environmental Performance of CompaniesBy J. J. Stacey
Large mining companies generally follow the distributed ownership corporate model, with a board of directors responsible for decisions that affect both shareholder value and stakeholders of the compan
Jan 1, 2014
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Reconstruction time of a mine through reliability analysis and genetic algorithms - SynopsisBy M. Kumral
A mining system consists of many sub-systems such as drilling, blasting, loading, hauling, ventilation, hoisting and supporting. During mining operation, these sub-systems may experience various probl
Jan 1, 2009
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Technology Comparison Of CFB Versus Pulverized Fuel Firing For Utility Power Generation ? SynopsisBy J. Utt
Recent developments in circulating fluidized bed (CFB) once-through supercritical technology (OTSC) have enabled this technology to be offered as a utility-scale alternative competing head-to-head wit
Jan 1, 2012
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Characterization Of Au Catalysts - SynopsisBy T. van Heerden
A range of supported gold catalysts was prepared by ion exchange, varying many of the preparation variables, including concentration in the precursor solution, washing procedure, as well as drying and
Jan 1, 2012
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Natural Resources, Nationalism, And Nationalization - SynopsisBy M. Kahn
This paper traces the rise of South Africa's mining industry in the context of the different state forms that oversaw its development. It commences with the mining-led industrial revolution throu
Jan 1, 2013
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Bias testing of cross-belt samplers - SynopsisBy G. Lyman
The cross-belt sampler is a device that is very widely used even though it has not been ratified by the Standards associations. This paper is concerned with the bias testing of two cross-belt sampler
Jan 1, 2010
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Contribution On Nickel, Zinc And Sulphur Co-Deposition During Cobalt ElectrowinningBy K Kongolo, M K. Kalenga
It is well known that the electrochemical precipitation of metals from aqueous solutions is conducted by the electrochemical standard potential scale. This scale indicates the order of nobility of di
Jan 1, 2005
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An Overview Of The Heavy Mineral Potential Of LiberiaBy P. J. Hancox
Heavy mineral deposits have been known from Liberia since the1950s from both river and beach placers. The heavy mineral content of beach sands ranges between 28?62% and the suite includes ilmenite, ru
Jan 1, 2000
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Assessment Of The Precision And Bias Of An Online Gauge Using A Single Reference Instrument ? SynopsisBy F. Lombard
We consider the Grubbs estimation of the precision of an online gauge. Typically, this type of estimation involves independent results from two or more reference instruments (sampling and laboratory a
Jan 1, 2012
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Orange Free State Branch Annual General MeetingThe annual general meeting of the Branch was held at the St. Helena Club on Thursday, August 21, 1969. Mr J. G. Kirchner (Chairman) was in the Chair. Also present were Mr R. C. J. Goode, Preside
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Optimization of coal mine parameters to provide safe operationBy A. M. Bryukhanov, A. G. Mnukhin
The report states accident rates for gassy/dusty coal mines represented as an ergatic system "man – machine - environment" with further analysis by the method of conditional probabilities. A coal
Jan 1, 2003
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Corrosion Mechanism And Kinetic Behaviour Of Refractory Materials In Contact With CaO-Al2O3-MgO-SiO2 SlagsBy V. Brabie, S. Jansson, L. Bohlin
The rate of dissolution of solid MgO-C and doloma into liquid in CaO-Al2O3-SiO2-MgO slag at different temperatures was studied under conditions of forced convection by rotating cylindrical refractory
Jan 1, 2004
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Occupational health and safety management toolBy T. Güyagüler, A. Güngör
Labour protection, that is prevention of occupational disease and reduction in the frequency of accident, has always been a matter of major concern of mining industry. Management and the government sh
Jan 1, 2003
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A comparison of models for the recovery of minerals in a UG2 platinum ore by batch flotationBy B. K. Loveday, N. V. Ramlall
A study was carried out to evaluate various batch flotation models for the recovery of minerals in a UG2 platinum ore. The major minerals in a UG2ore can be grouped as platinum group minerals, chromit
Jan 1, 2015
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Shortwall facebreak beneath a dolerite sill—learning points from a recent event at Matla Coal mineBy J. W. Latilla, J. J. van Wijk
A running facebreak ahead of the powered support units occurred on the number 4 seam at Matla Coal’s number 3 shaft (Matla 3) in April and May 2002.Very difficult mining conditions were experienced fo
Jan 1, 2003
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SAIMM Base Metals Conference, Namibia, July 2007 - The Minerals Industry And Syndicated ResearchBy P G. Gaylard
The minerals Industry carries out over US$ 2 billion of R&D annually. The R&D is performed at three levels ? in house research facilities; on a one-on-one basis with a research provider; as syndicated
Jan 1, 2007