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SPOTLIGHT on increased underground extraction of coal
By G. C. Thompson
'Increased underground extraction of coal' was the theme selected for the 1981 mining vacation school, which was held at the University of the Witwatersrand in January and February. The resp
Jan 1, 1981
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Characterization Of Au Catalysts - Synopsis (f28523d8-5cec-4507-ad35-a0cf847f8414)
By 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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Recycling of Mn-processing dusts: quality control through 3D computed tomography, C. Bauer, R. Wagner, M. Firsching, B. Orberger, J. Lucic, A. Ennen, N. Wörlein, J. L. Dubos, J. Banchet, J.-M. Milazzo, and N. Uhlmann
By A. Ennen, R. Wagner, B. Orberger, J. -M. Milazzo, N. Uhlmann, J. Banchet, J. Lucic, N. Wörlein, M. Firsching, J. L. Dubos, C. Bauer
The residues from mining and processing ores can often be considered as secondary raw materials. However, the material is only available in the form of fine particles (< 3 mm). In order to recycle the
Jan 1, 2020
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Numerical simulation of the electromagnetic field in the secondary cooling zone of arcshaped slabs
By Y. Ren, B. Yang
The magnetic field characteristics due to electromagnetic stirring in the secondary cooling zone of an extra-thick slab during continuous casting are numerically determined using Maxwell's equations,
Apr 16, 2024
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Spotlight on the design of comminution process
By B. K. Loveday
The South African Institute of Mining and Metallurgy hosted a School on 'The Practical Design of Comminution Processes' at Megawatt Park (near Johannesburg) on 14th to 16th May, 1991 Dere
Jan 1, 1991
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IN DIE KOLLIG: Hittebehandeling: Teorie en Praktyk deur
By deur R. Dippenaar
'n Kort kursus oar die teorie en praktyk van hittebehandeling is vanaf 29 Junie 1981 tot 3 Julie 1981 in die departement Materiaalkunde en Metallurgiese Ingenieurswese aan die Universiteit van Pr
Jan 1, 1981
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Solar energy for greener zinc processing in South Africa, N.A. Sithole, S.A.C. Hockaday, and P.J.A. Bezuidenhout
By N. A. Sithole, S. A. C. Hockaday, P. J. A. Bezuidenhout
The Northern Cape Province in South Africa has high levels of annual direct normal solar irradiance and reserves of zinc (Zn) ores. The question arises as to the benefits of integrating renewable sola
Jan 1, 2020
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The free ligand model to describe and design cobalt extraction and nickel scrubbing in a base metal refinery
By O. S. L. Bruinsma, M. J. Matsela, D. J. van der Westhuizen
The free ligand (FL) model is an intuitive model to calculate the equilibrium concentrations in solvent extraction (SX) based on the distribution coefficient (Kd) at infinite dilution and the fraction
Dec 11, 2024
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Onlangse Produktiwiteitsverbeteringe op Blinkpan Koolmyne Beperk
By A. C. Coetzee
Blinkpan Koolmyne is as ten voile gemeganiseerde steenkoolvoorsiener aan die 1 000 MW Evkom-kragsentrale in die Oos-Transvaal, onderhewig aan groat seisoenale produksieskommelinge. Die aanwending van
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Electrochemical Effects Of Direct Current On The Reduction Of Manganese Oxide From Molten MnO-SiO2-CaO- AI2O3 Slag
By X. W. Pan
It has been found that the MnO content of a slag decreases sharply when direct current is applied to a 1T1£tal-Slagsystem consisting of liquid Mn-Si-Ccsat metals and MnO-SiO2-CaO-AI203 slag in graphit
Jan 1, 1995
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Modelling of solvent extraction processes: Case of cobalt recovery from acidic chloride media, A. Chagnes
By A. Chagnes
This paper presents a modelling tool that can be used to predict the behaviour of solvent extraction processes. In particular, this model allows calculating metal extraction efficiency as a function o
Jan 1, 2020
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Het tegniese oudite 'n nut vir die bestuur?
By D. B. deur Mostert
This paper was presented at the Coloquium on Management Techniques in the Mining and Metallurgical Industry, which was organized by The South African Institute of Mining and Metallurgy and held in Pre
Jan 1, 1989
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Book review
Book review HOEK, E., and BRAY, J. Rockslope engineering. London, The Institution of Mining and Metallurgy, 1974. £5. NIM reports Report no. 1625 The determination of uranium and thorium by the use of
Jan 9, 1974
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Feasibility of tailings retreatment to unlock value and create environmental sustainability of the Louis Moore tailings dump near Giyani, South Africa
By N. K. Singo, J. D. Kramers
The reprocessing of tailings resources to extract gold on an industrial scale has become common practice. While these projects are common in the Witwatersrand basin, similar low-technology processes a
Jul 1, 2021
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Can Diamonds Go All The Way With HPGRs?
By M J. Daniel
The diamond industry is no newcomer to High Pressure Grinding Rolls (HPGR) as it has used the technology for more than 20 years, predominantly in secondary crushing and recrushing roles. In fact it co
Jan 1, 2010
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Laelegeringstale/Low-alloy steels
Colloquium.' 28 Mei 1980: Spesialiste-Afdeling: Materiaalingeni eurswese Universiteit van Pretoria Materiaalseleksie - Deel II: Keuse en Aanwending van Laelegeringstale Plek.' Onderwerp.&apo
Jan 1, 1980
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Introducing new Council members (a79be80f-11af-4a3b-bfcc-b0e6ed1e62dd)
Professor H.R. Philips was born in South Wales. After graduating with a B.Sc. degree in electrical engineering from the University of Bristol, he joined the National Coal Board's management train
Jan 1, 1989
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Remote Sensing In Management Of Mining Land And Proximate Habitat ? Synopsis (c72a7306-b2b5-47b6-8485-87f58ff82fa2)
By K. Koruyan
Although remote sensing technology has been available for many years, it has rarely been used for monitoring mining activity. Recent studies indicate that remote sensing is also a valuable tool for ma
Jan 1, 2012
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Remote Sensing In Management Of Mining Land And Proximate Habitat - Synopsis
By K. Koruyan
Although remote sensing technology has been available for many years, it has rarely been used for monitoring mining activity. Recent studies indicate that remote sensing is also a valuable tool for ma
Jan 1, 2012
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The Explosibility Of South African Coals As Determined In A 40-Litre Explosion Vessel
By M. P. Brandt, T. P. Knoetze, I. I. M. Kessler
It has generally been accepted that the volatile mater in a coal is the factor that determines whether or not a specific coal dust is an explosion risk. This paper presents the results of an attempt t
Jan 1, 1993