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A Trade-Off Study Between Down-Dip And Breast Mining On The Merensky Reef At Khomanani 2 ? Synopsis
By S. J. S. Ferreira
Anglo American Platinum's Khomanani 2 shaft changed over from down-dip mining to breast mining in 2004. The changeover was made to ensure that production targets were met, as it was said that pre
Jan 1, 2012
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A Simulation Model To Improve Pneumatic Intensifier Performance And Reliability
By C. Scheffer
This paper describes a model that can simulate the behaviour of a pneumatic intensifier that is generally referred to as an ?air pump? (AP). The AP is used in many South African underground mines, and
Jan 1, 2005
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Exploitation Of A Massive Low Grade Zinc-Lead Resource At Rosh Pinah Zinc Corporation, Namibia
By S Rupprech, T Lund, H Fourie, PH van Rooyen, NM Vegter
Rosh Pinah Zinc Corporation (Pty) Ltd (RPZC) operates an underground mine at Rosh Pinah in southern Namibia producing zinc and lead sulphide concentrates. It currently mines around 0.7 Mtpa run-of-min
Jan 1, 2007
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Bias testing of cross-belt samplers - Synopsis
By G. Lyman
The cross-belt sampler is a device that is very widely used even though it has not been ratified by the Standards associations. This paper is concerned with the bias testing of two cross-belt sampler
Jan 1, 2010
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Design Of A Modern Large Capacity FeNi Smelting Plant
By J. Kempken, R. Degel, J. Kunze, R. König
The FeNi technology is currently dominated by high-power submerged arc furnaces, often designed as smelter as "two-inline-solution". To achieve the intended high efficiency, state-of-the-art design in
Jan 1, 2007
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Assessing risk in grade-tonnage curves in a complex copper deposit, northern Brazil, based on an efficient joint
By M. B. Fonseca
Risk quantification in grade-tonnage curves is critical for capital investment in mining projects and can be obtained through geostatistical simulations of orebodies. A practical difficulty may arise
Jan 1, 2003
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A More Corrosion Resistant Herculestm Alloy.
By M. J. Papo, A. Muwila
Hercules? is a low nickel austenitic stainless steel developed at Mintek that has a typical composition of 9 wt% Mn, 0.05 wt% C, 2 wt% Ni, 0.25 wt% N and 16.5 wt% Cr. A more corrosion resistant versi
Jan 1, 2006
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Gautrain Tunnels: Surface Vibration And Ground-Borne Noise
By J. L. van Niekerk
The proposed Gautrain Rapid Rail Link (GRRL) will require approximately 15 km of double or twin high-speed rail track tunnels located for the greater part beneath the northern suburbs of Johannesburg,
Jan 1, 2004
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Quantified Value-created Process (QVP) – A value-based process for mine design and operating decisions
By J. Hadjigeorgiou, T. R. Stacey
This paper introduces the Quantified Value-created Process (QVP), a decision-making process for use in mine design and operation. The implementation of the QVP is founded on a ten-step rock engineerin
Feb 2, 2022
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Mechanisms Of Large Seismic Events In Platinum Mines Of The Bushveld Complex (South Africa) ? Synopsis
By D. Malovichko
Seismic events and pillar failures observed in two platinum mines in the Rustenburg area, South Africa, were investigated. We studied the sources of approximately 300 largest seismic events recorded i
Jan 1, 2012
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Study on the adaptability of Red Mud onto cement and aggregate mixed concrete, X.H. Li, Q. Zhang, and X.Fei
By X. H. Li, Q. Zhang, X. Fei
Bauxite residue known as red mud (RM) is a by-product produced in massive quantities during alumina production by the Bayer process with a utilisation rate of less than 5%. A large amount of RM accumu
Jan 1, 2020
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Kinetics Of Chromite Vs. Ilmenite Magnetization During Oxidative Roasting Of Ilmenite Concentrates (ac3d8f22-0a34-4795-aabe-e109bbe0406f)
By J. D. Steenkamp
In a paper presented at the Heavy Minerals Conference 2001 a laboratory scale investigation on the beneficiation of an ilmenite containing waste stream by magnetizing roasting was reported1.This waste
Jan 1, 2003
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Qualitative Analysis Of Fine Coals Obtained From Triboelectrostatic Separation ? Synopsis
By S. O. Bada
Coal samples taken from the No. 2 Seam and No. 4 Seam in a South African colliery were tested in a rotary triboelectrostatic separator. The two-stage triboelectrostatic separation results using the -1
Jan 1, 2012
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Advanced Methods To Characterize Thermal Properties Of Quartz
By E. H. Myrhaug, K. Aasly, T. Malvik
Six different types of quartz and quartzites used as raw materials by ferroalloy plants have been investigated with respect to their thermo mechanical properties. In order to investigate the effect of
Jan 1, 2007
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Development And Implementation Of A Novel Pressure Leach Process For The Recovery Of Cobalt And Copper At Chambishi, Zambia
By E. Munnik
The Chambishi Metals Cobalt Plant in Zambia has recently installed a novel oxidation/precipitation pressure leach process as part of the COSAC (CObalt from Slag And Copper as by-product) Project. Anir
Jan 1, 2003
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Mining An Open Pit Over And Through Old Sub-Level Caving Operations At Kwaggashoek East Open Pit, Thabazimbi Iron Ore Mine
By C J. de Beer
The Kwaggashoek East pit is one of the four production areas of Thabazimbi Iron Ore Mine. The Kwaggashoek East Open pit mines through the abandoned sublevel caving operations of the Kwaggashoek East u
Jan 1, 2006
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Integration of strategic open-pit mine planning into hierarchical artificial intelligence
By A. Navarra, A. Quelopana
The mine production scheduling problem (MPSP) has been studied since the 1960s, and remains an active area of computational research. In extending the concepts of the MPSP, the automated mine may now
Dec 1, 2021
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Furnace Upgrade With Hatch Technology At Pt Antam FeNi-II IN Pomalaa, Indonesia
By I. Jauhari, F. Stober, D. Fowler, B. O. Wasmund, T. Miraza, C. Nichols, A. Taofik Hidyat, K. Said
The existing PT Aneka Tambang (Antam) ferronickel smelter located at Pomalaa, Indonesia consists of two RKEF lines with reduction furnaces nominally rated at 17 MW and 18 MW, respectively. The low pow
Jan 1, 2007
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Processing low-grade coal to produce high-grade products
By G. J. de Korte
South Africa’s best-quality coal, located in the central Highveld basin, is becoming depleted and alternative sources of coal, such as the Waterberg coalfield, will have to be developed to supply the
Jan 1, 2015
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Book news
1. Recent publication Iron and steel works of the world. Worcester Park (England), Metal Bulletin PLC, 1987. 9th edition, 728 pp. £94.75 by air mail.2. Canadian publications Mining and mineral proces
Jan 1, 1988