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The use of seawater in copper hydrometallurgical processing in Chile: A review
By V. Quezada, Á. Astudillo, L. Valásquez, M. Garcia
Seawater has become a viable alternative for different uses in copper hydrometallurgy. In this paper we review the main physical and chemical characteristics of seawater and how these influence copper
Jul 5, 2023
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Book news
1. Book reviews Dislocations and properties of real materials, edited by M.H. Loretto. London, The Institute of Metals, 1985. 392 pp. Reviewer: F.R.N. Nabarro Au &Ag heap and dump leaching practice, e
Jan 1, 1986
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Spotlight On The Direct-reduction Plant At Vanderbijlpark
By T. B. Beeton
In view of the limited reserves of good-quality coking coals in South Africa, Iscor has been involved in direct reduction since the middle sixties. Since the early seventies, its interest in direct re
Jan 1, 1985
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The Flooding at the West Driefontein Mine
By R. R. M. Cousens, W. S. Garrett
SYNOPSIS The paper gives a background to the water hazards of the so-called West Wits Line and refers to some geological aspects of the Wonderfontein Valley in which the West Driefontein mine propert
Jan 5, 1969
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The surface chemistry features of spodumene and feldspar and the flotation behavior of different collectors, R. Xie, Y. Zhu, J. Liu, and Y. Li
By R. Xie, J. Liu, Y. Zhu, Y. Li
The surface chemistry features of spodumene and feldspar were investigated by XPS, zeta potential measurements and first principle calculation. The results indicated that the zeta potential of feldspa
Jan 1, 2020
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Real-time underground route identification and route progress using simple on-board sensing and processing
By N. Theron, R. F. Meeser
The global emphasis on conserving energy resources has led to the adoption of hybrid power systems in vehicles. Optimally applied, hybrid systems can save up to 40% on fuel costs. To optimally manage
Jan 26, 2023
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PlatMine pillar strength formula fornthe UG2 Reef
By B. P. Watson, D. P. Roberts, R. A. Lamos
The Upper Group 2 (UG2) chromitite reef is a shallow-dipping stratiform tabular orebody in the South African Bushveld Complex, which strikes for hundreds of kilometres. Mining is extensive, with depth
Aug 1, 2021
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Proceedings, Annual General Meeting*, 1988
The 91st Annual General Meeting of The South African Institute of Mining and Metallurgy was held at Kelvin House, Johannesburg, on 17th August, 1988. Mr B.c. Alberts (President) was in the Chair, and
Jan 1, 1988
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SPOTLIGHT on the excursion to Grootegeluk, Matimba, and Thabazimbi
By G. T. G. Emere
With the assistance and encouragement of Mr B.C. Alberts, the Institute's immediate Past President and Iscor's Senior General Manager: Mining, the Committee of the Johannesburg Branch recent
Jan 1, 1989
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In-Pit Crusher Location as a Dynamic Location Problem
By M. Paricheh, M. Rahmanpour
"The cost efficiency and high reliability of semi-mobile or combined in-pit crushing-conveying (IPCC) and truck systems, compared to conventional truck-shovel systems alone, make them more attractive
Jan 1, 2017
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Spotlight on Athel pines growing on slimes dumps
By W. K. Brinsden
In August 1965, the late Mr Alan Smith, then Mill Superintendent at Gold Mines of Kalgoorlie (GMK), Australia, asked me to investigate the planting of vegetation on the GMK slimes dams in order to eas
Jan 1, 1991
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Thermogravimetric Investigation of Macadamia Nut Shell, Coal, and Anthracite in Different Combustion Atmospheres
By M. J. Makhula, R. M. S. Falcon, S. O. Bada, L. M. Falcon
"SynopsisThe combustion and co-combustion behaviour of macadamia nut shell, high-ash coal, and anthracite, along with their blends was studied using thermogravimetry. The reactivities of all samples w
Jan 1, 2015
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Underground Lighting in the Gold Mining Industry (bb48b9e3-6687-4622-99ef-cd51828516cf)
By J. H. Viljoen, C. H. Graan, N. B. Strydom, J. S. Greyson
M J Martinson (Fellow) There is everywhere a lamentable dearth of quantitative information on occupational factors affecting the health and safety of mineworkers, and as the authors point out in their
Jan 1, 1971
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Selective flotation separation of scheelite from fluorite using a novel self-assembly Pb-BHA-NaOL complex as collector, J. Wang, Z. Gao, H. Han, W. Sun, and Y. Gao
By H. Han, Z. Gao, Y. Gao, W. Sun, J. Wang
Strategic Ca-bearing minerals like scheelite and fluorite are usually separated by flotation, yet the separation is quite difficult due to their similar surface Ca active sites. Compared with the conv
Jan 1, 2020
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Predicting open stope performance at an octree resolution using multivariate models
By K. Woodward, Y. Potvin, B. McFadyen, M. Grenon
Open stoping has become a popular mining method in hard rock mines, not only due to the safety of the method as a non-entry approach, but also because of the high extraction rate and low costs. At min
Jun 5, 2023
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Review of Coal Pillar Lifespan Prediction for the Witbank and Highveld Coal Seams
By van der Merwem J. N.
"Coal pillars are prone to scaling over time, and are progressively reduced in size and consequently subjected to increased load and reduced strength. The effective factor of safety therefore reduces.
Jan 1, 2016
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Use of a biocompatible polymer to enhance tailings transportation and reduce water consumption at a coper-cobalt-zinc plant
By Y. Jeong, K. Kim
Excess water can lead to instability and even failure in tailings storage facilities (TSFs). Simply reducing the amount of water in TSFs could be the best way to ensure the safety of nearby communitie
Dec 13, 2023
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Metal Accounting In The Platinum Industry: How Effective Is It?
The AMIRA Code of Practice and Guidelines for Metal Accounting was developed in response to demand from a number of sponsor companies, including one major platinum producer. Since its publication in
Jan 1, 2012
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Modelling unsaturated dual-phase flow through crushed ores for heap leaching
By J. Petersen, S. W. Robertson
Heap leaching is used extensively for the processing of low-grade copper, gold, and uranium ores. The hydrodynamics is often the most important factor that limits the rate of metal recovery. Over the
Dec 11, 2024
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The SAIMM Council 1988/1989
Council Members 1988/1989, left to right: Row 1 (seated): H.E. James, P.W.J. van Rensburg, Dr H. Wagner, B.C. Alberts, C.E. Flvaz (President), H.G. Mosenthal, R.D. Beck, Professor A.N. Brown, Dr P.R
Jan 1, 1989