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Plasma Technology for the Manufacturing of Nuclear Materials at Necsa
By J. L. Havenga, L. J. van der Walt, J. T. Nel
"SynopsisThe development of plasma technology at Necsa started in the early 1980s, when the applicability of high-temperature plasmas in the nuclear fuel cycle was investigated. Since 1995, this plasm
Jan 1, 2015
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Gold Nanotechnology at Mintek
By R. T. Tshikhudo
Nanotechnology can provide solutions to many of the world?s socio-economic challenges. The application of nanomaterials for water treatment and analysis, point-of-care diagnostics and targeted drug de
Jan 1, 2009
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Roll-to-roll coating methods for the manufacture of polymer electrolyte membrane fuel cell membrane electrode assemblies
By O. Barron, C. Felix
In 2023, polymer electrolyte membrane fuel cell membrane electrode assemblies accounted for about 62% of the global fuel cell market share and this demand is expected to grow. Commercialisation requir
May 27, 2025
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Comparing different methods of sampling to estimate the mineral resource in the Elizabeth Bay aeolian diamond placer
By J. U. Burger
The Elizabeth Bay aeolian deposit in Namibia comprises a sedimentary package of diamondiferous grits that have been deposited, reworked and concentrated to various degrees by dominant southerly winds.
Jan 1, 2009
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Evaluation Of The Batch Press As A Laboratory Tool To Simulate Medium-Pressure Roller Crushers ? Synopsis
By J. C. R. van Schoor
In this study the applicability of a batch press to predict the energy consumption and particle size distributions for medium-pressure roller presses was investigated. The relationships between energy
Jan 1, 2012
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Considering the action of degrading water quality on the electrochemical response of sulphide minerals, N. Ndamase, M. Tadie, and K.C. Corin
By K. C. Corin, M. Tadie, N. Ndamase
Fresh water conservation efforts and strict environmental regulations have forced the mining industry to reduce freshwater consumption and effluent discharge. This is achieved by recycling process wat
Jan 1, 2020
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Production Planning
"Chairman: Mr W. S. GALLAGHERRapporteur: Professor A. M. STARFIELDPapers:Long-term mine production scheduling by G. C. S. BurneAn application of linear programming to investment analysis by A. Erlands
Jan 1, 2014
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Book news
Book new a Book reviews Economics of the mineral industries. 4th Edition. Society of Mining Engineers (Caler No. D, Litleton, CO 80127, U.S.A.). 660 pp. Reviewer: M.A. Ford Foundry technology, by P.R.
Jan 1, 1987
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Modelling of Caving and Deformation Mechanisms of the Hangingwall of the Printzsköld Oreboby at Malmberget Mine
By J. Sjöberg, T. Savilahti, S. B. Umar
"Sublevel caving in Malmberget mine results in mining-induced surface deformation. One of the currently mined orebodies is the Printzsköld orebody. As mining deepens there is need to assess the behavi
Jan 1, 2017
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The 'Doorstopper' and Triaxial Rock Stress Measuring Instruments Developed by the C.S.I.R.
By E. R. Leeman
INTRODUCTION The first references in the literature to the so-called C.S.I.R. 'doorstopper' strain cell were made in 1964 1,2,3,4. These were the climax of nearly two years of experimental
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Bench Mining Utilizing Manual Labour and Mechanized Equipment – A Proposed Mining Method for Artisanal Small-Scale Mining in Central Africa
By S. M. Rupprecht
"Artisanal mining is basic mining characterized by manually intensive work methods utilizing primitive or simple equipment and conducted by individuals or small groups exploiting deposits. Artisanal m
Jan 1, 2017
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Spotlight On Pyrometallurgy
By C. W. P. Finn
On 14th April, 1980, 76 delegates from industry, universities, and research laboratories gathered at the University of the Witwatersrand to attend the Pyrometallurgy Vacation School. Professor H. B. B
Jan 1, 1980
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Indicators Of Grindability And Grinding Efficiency
By J. Levin
Bond's Standard Work Index (SWi) indicates the grindability of an ore, and his Operating Work Index (OWI) indicates the performance of a grinding mil or circuit. The comparison of the two indices
Jan 1, 1992
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Proceedings February General Meeting
FEBRUARY GENERAL MEETING The January General Meeting of the Institute was held in Kelvin House, Johannesburg on 21st January, 1970, at 4.30 p.m. Mr V. C. Robinson (Vice-President) was in the Chair.
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Evaluation Of Net Smelter Returns In The South African PGE Industry By Application Of Base Metal Concentrate Commercial Treatment Terms
By D. A. Cowen
Toll and custom treatment of base metal concentrates have been performed for decades as mines and concentrators are developed distant from capital and, energy-intensive smelting and refining facilitie
Jan 1, 2012
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The reduction of chromite in liquid iron-chromium-carbon alloys
By E. Uslu
The kinetics of the reduction of chromite from the LG-6 layer of the Bushveld Complex in Fe-Cr-C alloys were studied in the temperature range 15OO°C to 1680°C under an inert argon atmosphere. The rota
Jan 1, 1991
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Keynote Address: Sampling mineral commodities?the good, the bad and the ugly
A wide range of drill holes and process streams are sampled for resource estimation, grade control and contractual purposes in the minerals industry. However, despite the availability of training cour
Jan 1, 2009
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Integrated Production Of Liquid Sulphur Dioxide And Sulphuric Acid Via A Low-Temperature Cryogenic Process
By M. Verri
The paper describes the design options available for the simultaneous production of liquid sulphur dioxide, via cryogenic condensation, and sulphuric acid in a sulphur-burning sulphuric acid plant. Th
Aug 1, 2013
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Towards Benchmarking Of Safety Performance In The Platinum Sector
By B. Genc
Safety in South African mines is a subject of significant interest, since many mining companies are experiencing production deficits due to safety-related stoppages. In this paper, safety data from t
Jan 1, 2012
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How energy efficient is HPGR?
By H. Von Michaelis
The world is rapidly becoming more ?green? i.e. energy conscious. Since mining and mineral processing are massive energy users, the mining industry is seeking ways to reduce its energy footprint. In m
Jan 1, 2009