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What Is The Best Energy Delivery System For Hand-Held Stope Drilling And Associated Equipment In Narrow-Reef Hard Rock Mines?
By P. J. Petit
Changing mining conditions, legislative issues, rising costs, and the constrained supply of skills and electricity in South Africa, have been some of the criteria forcing mine operators and engineers
Jan 1, 2012
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Plasma soup for the pyrometallurgist’s soul
By B. S. Xakalashe, I. J. Geldenhuys, B. Bowman, M. W. Erwee, G. A. Venter, J. Zietsman, C. Sandrock, Q. G. Reynolds
Understanding the behaviour of plasma arcs is an important part of the design and operation of direct current electric arc furnace smelting processes, which are used in the industrial production of ma
Mar 4, 2025
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Investigation of Factors Influencing Blending Efficiency on Circular Stockpiles through Modelling and Simulation
By J. de Korte, Z. Loubser
"SynopsisThe aim of a blending stockpile is to minimize the natural variation in properties of a material. Two simulation models were written, for coneshell and chevcon stacking, and used to investiga
Jan 1, 2015
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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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A Test of the Appropriateness of the LUC Technique in High-Nugget Birimianstyle Gold Deposits
By E. Maritz
"The localized uniform conditioning (LUC) technique was proposed by Marat Abzalov in 2006. The technique converts conventional uniform conditioning (UC) grade-tonnage curves into single grade values a
Jan 1, 2016
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Modes of Arsenic Occurance in Coal Slime and its Removal: A Case Study at the Tanggongta Plant in Inner Mongolia, China
By L. Cong, C. Liu, N. Zhang, W. Cao, C. Zhou, X. Fan
"The modes of occurrence of arsenic and the effects of low-intensity leaching-flotation on arsenic removal from coal slime from the Tanggongta Plant, Inner Mongolia, China were investigated. The coal
Jan 1, 2017
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Evaluation of microbial amendments in a technosol produced from South African coal processing wastes, J. Weiler, J.R.Amaral Filho, M. Smart, J. Broadhurst, and S.T.L. Harrison
By S. T. L. Harrison, J. R. Amaral Filho, M. Smart, J. Broadhurst, J. Weiler
Technosol production from mine waste, following amendment with additional organic residues, to provide healthy and functional topsoil is an advantageous alternative to the long-term dump disposal of m
Jan 1, 2020
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Mitigating the influence of outliers on kriging estimation APCOM 2021
By R. Minnitt, C. Morgan, D. Fourie
The problems associated with outliers and their adverse effects on resource estimation in deep level South African gold mines are presented, and solutions suggested in available literature are reviewe
Sep 1, 2021
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The optimization journey of the Harmony Gold’s South Uranium Plant operation and the uranium contribution to the gold operation as a by-product, R. Jacobs and R.E.L. Pobe
By R. Jacobs, R. E. L. Pobe
The Moab Khotsong Metallurgical Complex comprises a gold recovery circuit (Noligwa Gold Plant) and a uranium recovery circuit (South Uranium Plant). The metallurgical complex employs the reverse leach
Jan 1, 2020
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Mineralogical analysis of different components in waste printed circuit boards, Xiang-nan Zhua, Chun-chen Nie, Hao Zhang, Yue-xian Yu, Jun Qiu, Lin Li a, and Xian-jun Lyua
By Xiang-nan Zhu, Hao Zhang, Lin Li, Jun Qiu, Yue-xian Yu, Chun-chen Nie, Xian-jun Lyua
Waste printed circuit boards (WPCBs) are excellent metal resources. Mineralogical characteristics of different components in WPCBs were analysed in this study. Organic-enriched particles, fibreglass-e
Jan 1, 2020
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Integrated Pipeline Transport System For Thickened Coal Sludge
By M. Wu, X. Zhao
This paper presents an integrated pipeline transport system for thickened coal sludge, which combines pretreatment and pipeline transport with combustion techniques of thickened coal sludge. The pipel
Jan 1, 2007
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Optimization of Cut-Off Grades Considering Grade Uncertainty in Narrow, Tabular Gold Deposits
By C. Birch
"Mineral reserve statements as well as optimizing mine planning require a block model with grades for each mining block. A cut-off grade is determined by considering the mining costs as well as the ex
Jan 1, 2017
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Books (Council of Mining and Metallurgical Institutions)
Financial Times Mining International Year Book 1979. London, The Financial Times Limited, 1979. 712 pp. Price: airmail, U .S. $60,00; surface mail, U .S. $42,00. International Wrought Copper Council.
Jan 1, 1979
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3D modelling for mineral resource estimation of the Darreh-Zereshk copper deposit using the indicator kriging approach APCOM 2021
By Z Bagheri, E Moosavi
Identifying the exact borders of geological domains and assessing the uncertainty of these borders are crucial steps in resource estimation. This potential field method was designed to build 3D geolog
Sep 1, 2021
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Annual Report and Accounts for the year ending 30th June 1977
Council and Standing Committees, 1976-1977 President: Dr M. D. G. Salamon. Vice-Presidents: P. A. von Wielligh and Dr M. G. Atmore. Honorary Treasurer: J. K. E. Douglas. Immediate Past President
Jan 1, 1978
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Experience with Mars pumping of underground water
By N. E. K. Schuttler
Experience with Mars pumping of underground water by N. E. K. SCHUTTLER (Visitor) As the result of a planned increase in production, Vaal Reefs Exploration & Mining Company Limited increased the hoist
Jan 3, 1977
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Evaluation of In-Pit Crushing and Conveying systems’ productivity in a limestone mine APCOM 2021
By J. Githiria, D. Wachira
The conventional truck and shovel haulage system has become expensive to operate in most mines due to current strict environmental conditions, increase in depth and size of open-pit mines, increase in
Sep 1, 2021
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Evaluation of applying dry cobbing magnetic separation in closed circuit with HPGR for upgrading of low grade BIF, magnetite iron ore- YOGI Project, Australia A.D. Ahmadabadi, N. Esmaeili, R. Hejazi, M. Saghaeian, and V. Sheikhzadeh
By V. Sheikhzadeh, M. Saghaeian, N. Esmaeili, R. Hejazi, A. D. Ahmadabadi
The main challenges in most low grade iron ore deposits are finding the optimum flowsheet for beneficiation to achieve a final concentrate from both technical and economic viewpoints. Dry preconcentra
Jan 1, 2020
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Annual Report and Accounts for the Year Ended 30th June, 1970
Your Council has pleasure in submitting its report for the year ended 30th June, 1970. COUNCIL The following served as Office Bearers during the year under review: Messrs J. K. E. Douglas (Pres
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The effect of particle sizes and solids concentration on the rheology of silicas and based suspensions - Synopsis
By N. Mangesana
The effect of high solids concentration and coarse particle sizes (d50 ranges 90?300 µm) on the viscosity of a suspension of water and silica sand was investigated. The experiments were designed to in
Jan 1, 2008