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The Kinetics Of The Dissolution Of Colloidal Silver In Cyanide Medium And Application To The Control Of The Cyanidation Process
By M. J. Nicol
The kinetics of the dissolution of colloidal silver in aerated cyanide solutions has been investigated with the aim of developing a relatively rapid and convenient method for monitoring the ?leaching
Jan 1, 1998
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Gold Refining By Solvent Extraction - The Minataur? Process
By A. Feather
The Minataur? Process (Mintek Alternative Technology for Au Refining) is a novel route for the production of high-purity gold using solvent extraction. Following the successful demonstration of the pr
Jan 1, 1997
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A Code For The Valuation Of Mineral Properties And Projects In South Africa
By A. S. Macfarlane
The South African Institute of Mining and Metallurgy was approached by the Australian Institute of Mining and Metallurgy to present a paper on the current practice in terms of the valuation of mineral
Jan 1, 2002
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Hydraulic Hoisting Technology For Platinum Mines (3622213b-45e5-4e01-99ed-721e60559e61)
By G. van den Berg
Anglo Platinum has initiated a project to investigate hydraulic hoisting technology for platinum mines. Hydraulic hoisting systems are categorized as pumping, fluidizing feeder or displacement feeder
Jan 1, 2005
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Solvent Extraction In The Primary And Secondary Processing Of Zinc
By P. M. Cole
An unprecedented expansion of the global zinc industry is currently under way. While most new projects and plant upgrades remain committed to traditional processing technologies, recent advances in zi
Jan 1, 2002
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The Increasing Role Of Direct Reduced Iron In Global Steelmaking
Direct reduced iron (DRI), produced by the reaction between iron ore and reducing gasses, is used as a source of low-residual iron, in addition to ferrous scrap and pig iron, in the production of stee
Jan 1, 1999
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Ferroalloy Production And Consumption In Türkiye
By Onuralp Yücel, Süheyla Aydin, Erçin Ersundu
Turkish iron and steel sector, the base of which was established in the 1930?s, plays an important role in the industrialization and development of the country?s economy. In Türkiye this sector is the
Jan 1, 2007
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Improvement In Ventilation In A Fire Affected Mine
By N. Sahay
Improvement in work place environment by conventional methods viz., installation of higher capacity fan, fans in parallel operation or booster fan is a risky proposition in many coal mines in India be
Jan 1, 2003
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Proceedings, 103rd Annual General Meeting, 2000
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, 2000
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Green Topics - Spotlight On The EMEM Awards
The EMEM Awards of the Department of Minerals and Energy (DME) were formally launched on 3 March 2000 by Ms Susan Shabangu, Deputy Minister at the Department?s Mineralia Centre in Pretoria. The launch
Jan 1, 2000
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Recent Recovery Improvement Initiatives At Zincor: The Use Of Zinc Oxide Fume And Low-Ferrite Calcine For Iron Removal To Reduce Un-Dissolved Zinc Losses
By Jacolien P. Wyethe
Zincor uses a Roast-Leach-Electrowinning circuit to process zinc sulphide concentrates. It also processes zinc oxide fume, originating from a slag smelting operation in the Democratic Republic of the
Jan 1, 2008
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Free Gold Recovery By Coal-Oil Agglomeration
By W. Kotze
The gold mining industry has mainly relied upon the use of highly polluting chemicals, such as mercury and cyanide to recover gold from its ores. The Coal Gold Agglomeration (CGA) process was develope
Jan 1, 2000
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Monitoring the lining of an ilmenite smelting furnace
By K. Sørli, H. Elstad, I. M. Skaar, A. Hildal
Generally, monitoring of refractory furnace linings is of interest to the metallurgical industry. The main issues are to control wear of the furnace lining and break out of molten metal. Penetration o
Jan 1, 2003
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Stoping Systems And Technology - Introduction
By R. Pickering
The purpose of this paper is to explore the application of technology to stoping systems. Technology, because for the past 100 years the South African narrow reef mining industry has battled to contro
Jan 1, 1999
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Rheological Characterisation Of Mineral Slurries Using Balanced Beam Tube Viscometry
By P. T. Slatter
The efficient and accurate design of pipe and pumping plant for non-Newtonian mineral slurries remains a problem. The objective of this paper is to present the development of the Balanced Beam Tube Vi
Jan 1, 1998
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Method statement for Excavation of Powerhouse Cavern Considering Mudstone Layers in Masjed Soleiman Dam
By M. Shahabi, M. Kashfi
This paper briefly describes the excavation procedure of a powerhouse, comprising of its incremental excavation, reinforcement measures, and the installed monitoring system. During the first phase of
Jan 1, 2003
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The Most Common Error In Applying ?Gy?s Formula? In The Theory Of Mineral Sampling, And The History Of The Liberation Factor
The modern theory of sampling of particulate minerals essentially consists of a recent generalization of the procedures for applying and calibrating the formula usually known as ?Gy?s Formula? for sam
Jan 1, 2002
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Defect and mould variable prediction in continuous casting
By I. K. Craig, F. R. Camisani-Calzolari
Defects which occur at the surface of a continuously cast slab impede the throughput of final product, because an extra stage in the process is required to grind the defects away before further proces
Jan 1, 2003
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Electrode Erosion In Submerged Arc Furnaces
By J. A. Bakken, G. Sævarsdóttir, H. Pálsson, M. Þ. Jónsson
The role of the electric arc in the consumption of electrodes in submerged arc furnaces has long been debated. The hostile environment in the furnace does not make direct measurement feasible, so simu
Jan 1, 2007
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Scale effect on the geometrical and mechanical properties of rock joints
By N. Fardin, O. Stephansson, L. Jing
A pair of silicon rubber replicas of size 250 mm by 250 mm, from a natural rock joint, was used to produce several high strength concrete fracture replicas of different sizes, from 50 mm by 50 mm to 2
Jan 1, 2003