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Process Mechanisms In Ilmenite Smelting (8cb0aed5-7d69-4620-8896-c0ec92ebb067)
By J. H. Zietsman
It has previously been observed that industrial high-titania slags display a compositional invariance, remaining close to stoichio-metric M3O5. The present study focuses on this invariance and the phe
Jan 1, 2004
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Evaluation Of The Behaviour Of High-Density Tailings Deposition - CODELCO Pilot Plant - Synopsis
By J. Engels
CODELCO is considering the implementation of high-density tailings management at the Chuquicamata mine in northern Chile for its long term disposal plan. To achieve this, CODELCO commissioned the desi
Jan 1, 2012
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A Computational Fluid Dynamics Model for Investigating Air Flow Patterns in Underground Coal Mine Sections
By D. D. Ndenguma
This investigation compares the results from an experimental and numerical study of air flow in a scaled-down underground coal mine model. This was done in order to determine if numerical analysis can
Jan 1, 2014
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Innovative Hydrogen Production By Reaction Integrated Novel Gasification Process (HyPr-RING)
By S. Lin
A new hydrogen production process, named the HyPr-RING, has been proposed. Fundamental concept of the HyPr-RING is integration of water carbon reaction, water-gas shift reaction and CO2 absorbing rea
Jan 1, 2001
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Breakeven Extraction Factors For The Merensky Reef Using Stope Width And Market Price Simulation
By M. G. Wimberger
The Merensky Reef zone, as developed on Impala Platinum?s Rustenburg Operations, displays a gradational mineralized zone, with grades decreasing from the Merensky Pegmatoid Unit into the footwall and
Jan 1, 2004
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Breakage mechanisms and an encouraging correlation between the Bond parameters and the friability value ? Synopsis
By H. T. Ozkahraman
It is important to know the breakage mechanism in materials since this knowledge influences the results of subsequent grinding operations. There are two distinct failure mechanisms in breakage: one is
Jan 1, 2010
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Keynote Address: Commodity Prices Into The New Millennium
By B. A. Day
The traditional view taken of commodity prices is that they are cyclical, with strong demand boosting prices and attracting new suppliers. The resulting increased supply pushes prices down with conseq
Jan 1, 2000
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Reply To H.G. Denkhaus ?Brittleness And Drillability? - In The Journal Of SAIMM, Vol 103. No. 8. Pp. 523
A large number of brittleness concepts have been used in very different studies in the literature. One of them is the B1brittleness concept. In this study, the objective is to criticize the B1 brittle
Jan 1, 2003
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An Investigation On Underground Transport Roads And Influence On Safety And Productivity At Khutala Colliery ? Synopsis
By L. Lehasa
The purpose of the project was to investigate the challenges faced by Khutala Colliery pertaining to underground road construction and maintenance. Furthermore the influence of these challenges on pro
Jan 1, 2012
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Science And Technology Education And The New South African School Curriculum
By R. L. Gibson
Manpower competencies in the mining, minerals processing and energy industries in South Africa into the next century will, to a large extent, derive from the nature and quality of the teaching which p
Jan 1, 1997
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Tools For The Transfer Of Strata Control Knowledge
By T. O. Hagan
Analyses of accident records show that a better understanding of very basic strata control principles and practices, by production personnel, will improve worker safety. Workers, lack of knowledge, wi
Jan 1, 2005
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Alternative Support Systems For Mechanized Stopes
By D. P. Roberts
The stoping of platinum orebodies in the Bushveld has in the past been accomplished by using in-stope pillars to ensure stability of the workings. In the future, the use of continuous mining machines
Jan 1, 2005
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Outsourcing Of Professional Services
Outsourcing of specialist and non-continuous services is common practice in international mining operations. There is an increasing trend towards this practice in South Africa as a result of the major
Jan 1, 1999
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Optimization of mill performance by using online ball and pulp measurements - Synopsis
By B. Clermont
Ball mills are usually the largest consumers of energy within a mineral concentrator. Comminution is responsible for 50% of the total mineral processing cost. In today?s global markets, expanding min
Jan 1, 2010
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Kinetic gold leach monitoring including cyanide speciation - Synopsis
By P. W. Lotz
Traditionally, bottle roll tests have been used to optimize the extraction process for best gold extraction and recovery. Such tests typically involve exposing the ore to defined reagent concentration
Jan 1, 2009
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An Approach To The Modelling Of Spontaneous Combustion In The Goaf
By C. Sensogut
The phenomenon of spontaneous combustion is one of the major hazards encountered in underground coal mines both from the safety aspects and on economic grounds. Every occurrence, however small, if not
Jan 1, 2002
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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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Three-Dimensional Reflection Seismics: Worth Its Weight In Platinum (e4f930bb-7d70-407a-8746-9a6314a1a5b4)
By J. -C. Trickett
The high-resolution three-dimensional (3-D) seismic reflection data acquired for Impala Platinum between 1998 and 2002 in the western Bushveld Igneous Complex form an integral part of Impala?s mine pl
Jan 1, 2005
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Implementation Of Extra Low Profile (XLP) Mechanized Equipment In Anglo Platinum
By G. A. Harrison
The introduction of extra low profile (XLP) mechanized equipment within Anglo Platinum is aligned with the overall New Mining Technologies strategy to focus on continuing modernization of our mining o
Jan 1, 2006