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DMS Cyclone Size Vs. Cyclone Efficiency: The De Beers Perspective
By Kurt RP Petersen, Hendriena van der Walt
With the decline in fine diamond production from the Argyle mine in Australia, there is a greater emphasis on efficiently treating the finer size fractions through a DMS circuit. Although it is genera
Jan 1, 2006
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Modelling of fluid flow phenomena in Peirce-Smith copper converters and analysis of combined blowing concept (04487fac-e28a-4af4-ae69-1eae63554822)
By D. K. Chibwe, P. Taskinen
"This investigation consists of a numerical and physical modelling exercise on flow patterns, mixing, solid-liquid mass transfer, and slag-matte phase distribution in a 0.2-scale cold model of an indu
Jan 1, 2015
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Experiential Training Of Technicians
By J. du Plooy
Mintek has implemented a training scheme that provides students with the experiential training requirement for the National Diplomas in Chemical Engineering and Extraction Metallurgy. This note descri
Jan 1, 1998
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The Development And Application Of A HCFeMn Furnace Simulation Model For Assmang Ltd
By B. R. Broekman, K. J. R. Ford
Over the last decade significant development and use has been made of a simulation model that describes the HCFeMn smelting operations in Assmang Ltd. This spreadsheet based, semi-empirical, predictiv
Jan 1, 2004
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Applications Of Fibre-Reinforced Shotcrete (Fibrecrete) Support In Difts At Nchanga Underground Mine
By S. Mundike
A scraper-based block cave method has been successfully applied to extract the Lower orebody at Nchanga since the 1950s. Since inception, scraper drifts and service ways have been supported using stee
Jan 1, 2005
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The thermodynamic activity of MnO in stainless steel type slags
By K. Ding
The thermodynamic activity of MnO was measured in MnO-CaO-MgO-SiO2slags that are typically encountered in the production of manganese containing stainless steels. Gas equilibration-quenching techniqu
Jan 1, 2004
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The Effect Of Graphite Properties On The Rate Of MnO Reduction From High Carbon Ferromanganese Slag
By G. Tranell, L. Kolbeinsen, S. Gaal, J. Safarian
The effect of carbon material properties on the rate of MnO reduction from ferromanganese slag by solid graphite was investigated. A sessile drop technique was used to study the reduction rate of a sy
Jan 1, 2007
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Project Delivery In The Mining Industry - Options And Trends
By B. McCosker
The choice of the appropriate delivery process for a project is often not adequately thought about. The industry needs to be prepared to break its preconceived mind-sets on delivery procedures. Indust
Jan 1, 2002
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The Centenary Of The Discovery Of Platinum In The Bushveld Complex (10 November, 1906)
By R. G. Cawthorn
The earliest authenticated scientific report of the occurrence of platinum in rocks from the Bushveld Complex appears to be by William Bettel on 10 November 1906. Thereafter, prospecting of the chromi
Jan 1, 2007
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Comment On The Paper ?Neutralization Of Bioleach Liquors? By B.M. Nyombolo, J.W. Neale, And P.J. Van Staden - In The Journal Of SAIMM, Vol. 100. No. 7. Pp. 403?408
By J. M. Schaekers
In the first part of the article, the authors give a broad overview of the chemistry and some engineering aspects of bioleach processes, eventually leading to the important and critical issue of the s
Jan 1, 2001
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Using Computed Order Tracking To Detect Gear Condition Aboard A Dragline
By B. L. Eggers
This study investigates the application of computed order tracking with subsequent rotation domain averaging and statistical analysis, to the drag gearbox of a dragline used in a mining environment. C
Jan 1, 2007
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A Case Study Of High-Temperature Corrosion In Rotary Cement Kilns
By J. H. Potgieter
This paper describes two cases of corrosion that occurred in dry-process, rotary, cement-clinker kilns. In the case of the kiln with five pre-heater stages, the attack occurred primarily from sulphate
Jan 1, 2004
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Presidential Address: The Mechanisation Of UG2 Mining In The Bushveld Complex
By F. M. G. Egerton
Mechanisation of mining operations is not a new concept in the world of mining. Machinery has been developed, manufactured and used for many decades in massive orebodies and coal mines, both locally a
Jan 1, 2004
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Modelling and simulation of gold ore leaching
By S. Bellec
A leaching model for gold ore that takes into account the impact of cyanide and oxygen concentrations as well as gold surface exposure on leaching performance is developed. Cyanide consumption is esti
Jan 1, 2009
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Evaluation of four layouts for gold mining at a depth-range of 3500 and 5000 m
By S. Budavari, F. M. C. C. Vieira
For several decades, the deep, gold-bearing reefs of the Witwatersrand basin have been mined predominantly according to layouts characterised by longwalls with strike pillars to provide regional suppo
Jan 1, 2003
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Reply To F. Essrich ?Quantitative Rockburst Hazard Assessment At Elandsrand Gold Mine? - In The Journal Of SAIMM, Vol. 97. No. 7. Pp. 319?324
By J. F. Curtis
In the synopsis, the author concludes that ?high levels of seismicity do not coincide with high rockburst rates?. Implicit to an appreciation of this statement is the necessity of a common understand
Jan 1, 1999
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Limestone quarry quality optimization for a cement factory in Turkey - Synopsis
By A. H. Onur
Many factors govern the size and shape of an open pit, and these must be properly understood and used in the short and long-term planning of any open pit and quarrying operation. The importance of eac
Jan 1, 2008
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Process mineralogy: adding the value in the minerals value chain, D. Chetty
By D. Chetty
Process mineralogy forms an integral part of geometallurgy, with ore body characterisation being but one piece of the puzzle in optimising value derived from ore. This value is not only financial, but
Jan 1, 2020
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Annual Financial Statements - Report Of The Independent Auditors
By N N/A
To the members of The South African Institute of Mining and Metallurgy We have audited the annual financial statements set out on pages 239 to 245. These financial statements are the responsibility
Jan 1, 2000
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Proceedings, 103rd Annual General Meeting, 2000 (073cef8f-7241-400e-96a1-f80bf29d4541)
The 103rd Annual General Meeting of The South African Institute of Mining and Metallurgy was held in the Gold Room, Transvaal Automobile Club, 60 5th Street, Lower Houghton, Johannesburg on Wednesday,
Jan 1, 2001