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Haul Roads Can Make Money!
By A. T. Visser
"SynopsisAlmost 20 years have passed since the cutting-edge research by Thompson and Visser on the design and management of opencast mine haul roads was conducted in South Africa. This system is based
Jan 1, 2015
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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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Self-similarity and multiplicative cascade models
By F. Agterberg
In his 1978 monograph ‘Lognormal-de Wijsian Geostatistics for Ore Evaluation’, Professor Danie Krige emphasized the scale-independence of gold and uranium determinations in the Witwatersrand goldfield
Jan 1, 2015
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Wet Shotcrete Trial
By A. D. Storrie
An underground wet shotcrete trial was completed last year to determine the effectiveness of wet shotcrete as an alternative support mechanism to dry shotcrete in the kimberlite environment. The wet s
Jan 1, 2001
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The Evaluation Of The AAC Pump-Cell Circuits At Anglogold?s West Wits Operations
By J. Rogans
This paper discusses the comparative performances of the three activated carbon adsorption circuits at the West Wits operations of Anglogold. These circuits consist of two pump-cell circuits (at Two P
Jan 1, 2002
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Collection, Treatment And Re-Use Of Mine Water In The Olifants River Catchment
By H. C. van Zyl
Mine water in the Upper Olifants River Catchment in Mpumalanga(upstream of Loskop Dam) is at times discharged into local streams, resulting in local acidification and regional salination of surface wa
Jan 1, 2001
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Translocation of an Endangered Succulent Plant Species From Sandstone Outcrops Earmarked for Coal Mining
By E. Harris
Frithia humilis is an endangered succulent plant species. Its distribution range overlaps with the coal fields of Mpumalanga and it is therefore threatened by opencast mining activities in particular.
Jan 1, 2014
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Application Potential Of SMS DC Smelter Technology For The Pyrometallurgical Industry In South Africa
By R. Degel
Keywords: Pyrometallurgy, DC furnaces, electric smelter, FeCr, FeNi, FeMn, Si metal, ferro-alloys, platinum production, circular furnace, energy recovery system In 1906, the first submerged-arc fu
Jan 1, 2011
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Forecasting of self heating of coal in underground workings
By J. Cygankiewicz
Efficient prevention of mine fires is impossible without predicting the self heating processes in the given geological and mining conditions. The respective forecasting method is presented in this pa
Jan 1, 2003
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Comparison of linear polarization resistance corrosion monitoring probe readings and immersion test results for typical cooling water conditions
By J. W. van der Merwe, A. Palazzo
"Owing to the corrosiveness of the untreated brackish cooling water typically used for steel mills (and other environments), it is important to treat the water and monitor corrosion in such systems. G
Jan 1, 2015
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A Conceptual Approach To Evaluating The Political Economics Of Mining In Africa And The Sector?s Contribution To Economic Diversification ? Synopsis
By M. H. Solomon
After the global financial crisis of 2008, African mining is entering anew phase of development. The rapid withdrawal of emerging market funding from the critical exploration and development industrie
Jan 1, 2011
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Role of Metal Accounting in Assessing and Managing the Business Risks Involved in Production Planning
By Donald Leroux, Simon Gariépy, Luc Lachance
"Quantitative information about the quality of metal balance results is often overlooked when making important plant production planning decisions. Not only is this common omission made in a context w
Jan 1, 2015
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Rock Engineering Method To Pre-Evaluate Old, Small Coal Pillars For Secondary Mining ? Synopsis
By J. N. Van der Merwe
Due to the approaching depletion of reserves in the Witbank Coalfield, and the fact that the Waterberg Coalfield is as yet under developed, there is increasing pressure to extend the lives of the oper
Jan 1, 2012
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A Review Of Optimal Planning Of Level And Raise Spacing In Inclined Narrow Reefs
By C. Musingwini
The subject of optimal planning of level and raise spacing for inclined narrow reef deposits has received intermittent attention over the years because the subject matter is inherently complex. Previo
Jan 1, 2010
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The Influence Of Microwave Pre-Treatment On Copper Flotation
By C. Sahyoun
The influence of microwave treatment on copper flotation has been investigated. Comparative batch flotation tests carried out on ore treated at 5?12 kW for 0.1?0.5 s showed that improvements in copper
Jan 1, 2005
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Microscopic Analyses of Bushveld Complex Rocks under the Influence of High Temperatures
By G. O. Oniyide, H. Yilmaz
The South African platinum mines in the Bushveld Complex (BC) have unique features that distinguish them from the gold mines. They have a higher horizontal stress closer to the surface, lower occurren
Jan 1, 2016
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TEM Studies Of Pt-Al-Cr-Ru Alloys - Synopsis
By M. B. Shongwe
Pt-based alloys are being developed for high-temperature applications with the aim of replacing some of the currently used Ni-based superalloys (NBSAs) in the highest temperature applications. The Pt-
Jan 1, 2012
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A heat transfer model for high titania slag blocks - Synopsis
By H. Kotzé
Titania slag is used as feedstock in the production of titanium dioxide pigment. It (titania slag) is the product of ilmenite smelting,a process whereby ilmenite is reduced at high temperature utilizi
Jan 1, 2010
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Emerging Steel And Specialty Steel Grades And Production Technologies ? Impacts On The Selection And Use Of Ferroalloys
By R. Dippenaar
The emergence of new steel grades is largely driven by the need to produce high quality steel at a competitive price. The principal aims are to attain ultra-high purity, (especially low interstitial e
Jan 1, 2004
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New Pt-Based Alloys For High Temperature Application In Aggressive Environments: The Next Stage
By L. A. Cornish, L. H. Chown, M. Matema, R. Süss, L. Glaner, A. Douglas
Mintek has been developing Pt-based alloys for high temperature applications in aggressive environments, for example, land-based turbine engines, to replace the currently used nickel-based superalloys
Jan 1, 2006