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Thermodynamic Stability Of Graphitic Diamond Films Produced Using CCVD Apparatus
By P. Mokwena
Paper written on project work carried out in partial fulfilment of BSc (Hons) in Chemical Engineering Diamond synthesis has attracted a great deal of interest because of its exceptional properties
Jan 1, 2007
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A critical evaluation of processes to produce primary titanium - Synopsis
By D. S. van Vuuren
Over the last 60 years many different processes were conceived to reduce the cost of titanium produced by the Kroll process. However, success eluded all previous efforts, which were consequently termi
Jan 1, 2009
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Cave management and secondary breaking practices at Palabora Mining Company - Synopsis
By S. Ngidi
Palabora Mining Company operates a low grade underground copper mine situated in the Limpopo Province, South Africa. Full production was first reached in May 2005 after a successful transition from an
Jan 1, 2007
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The anisotropic nature of selected metamorphic rocks from Greece
By P. Marinos, G. Tsiambaos, H. Saroglou
Anisotropy is a characteristic of intact foliated metamorphic rocks (slates, gneisses, phyllites, schists). ?esting was used to establish the anisotropic behaviour of selected gneissic rocks. The effe
Jan 1, 2003
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Piloting Of The Ishigaki Fibre-Wakishimizu (Fibre Media Rapid Filtration Equipment) At Skorpion Zinc - Summary
By K. Nong, H. F. Fuls
The quality of Pregnant Leach Solution (PLS) at Skorpion Zinc is of utmost importance for efficient operation of the Solvent Extraction (SX) Plant. Suspended solids in the PLS forms CRUD in the settl
Jan 1, 2007
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Hydro Power And Stope Drilling Systems - An Energy-Saving Perspective - Synopsis
Electricity supply constraints in SA are increasingly challenging mines to operate more energy efficiently without reducing production output. Mining compressed air systems are well known to be operat
Jan 1, 2008
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Enhancement of Profitability of Central African Copperbelt Operations using Direct Cobalt Electrowinning Process
By N. Mulaudzi, S. Archer
"Direct cobalt electrowinning was developed to produce unrefined cobalt metal as an alternative to producing a mixed hydroxide product (MHP), which is the common cobalt intermediate product in African
Jan 1, 2015
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Mineral Resource Throughput Management: From An Iron Ore Mine To Steel In India (b7c708d0-4ac4-4078-9cb8-41844cba4156)
Mineral Resource Throughput Management is based on the extraction of the maximum potential value from an ore reserve with the emphasis to generate maximum ROI and ROR (return on reserve). A stee
Jan 1, 2007
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Perceived And Realized Benefits Of Paste And Thickened Tailings For Surface Deposition ? Synopsis
Interest in the potential use of high-density, thickened tailings has recently increased significantly. Reasons for considering this new technology vary across projects, but commonly include the need
Jan 1, 2012
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Condition based maintenance for mineral processing: Comparison of the remaining useful life predictions for pumps using adaptive auto-regressive and gamma process models, A.V. Cherkaev, S.M. Bradshaw, T.M. Louw, L. Auret, and D.V.J.W. Groenewald
By D. V. J. W. Groenewald, T. M. Louw, L. Auret, S. M. Bradshaw, A. V. Cherkaev
Unexpected equipment failures lead to financial losses due to production disruption. Time-based maintenance, based on checks over regular time periods, has been employed to minimise disruption. Howeve
Jan 1, 2020
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Life And Design Of Bord-And-Pillar Workings Affected By Pillar Scaling
By M. D. G. Salamon
It has been noted in recent years that the pillars in some bord-and-pillar workings scale or spall. In due course this process may result in the collapse of the affected panels. This paper presents a
Jan 1, 1998
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Horizontal airflow fine coal winnowing, L. Morgan, Q.P. Campbell, and M. le Roux
By L. Morgan, M. Le Roux, Q. P. Campbell
Dry coal processing is becoming increasingly favoured as a fine coal beneficiation technique. The decline in suitable good-quality coal, as well as the ongoing decrease in usable process water, makes
Jan 1, 2020
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Complex ores need comprehensive solutions: Las Tórtolas case study, J.A. Sweet, G.E. Sandoval, T.M. Hauyon, T. Bachmann, and F.A. Contreras
By J. A. Sweet, T. BACHMANN, G. E. Sandoval, T. M. Hauyon, F. A. Contreras
In many respects a porphyry copper ore concentrator plant can be considered as a simple system. Chalcopyrite typically liberates well at relatively coarse sizes, and even low grade ores are amenable t
Jan 1, 2020
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Mineralogical, Petrographic And Geological Controls On Coal Ash Fusion Temperature From New Clydesdale Colliery, Witbank Coalfield, South Africa
By S-L. Weeber
Ash fusion temperature is the temperature at which the mineral matter in coal begins to soften, flow and fuse. It is an important parameter relating to coal utilization. Optimum ash fusion temperature
Jan 1, 2000
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Assessing the socio-economic impact of a zinc mine in South Africa through the application of digital tools: A case study
By B. Genc, V. J. Mahadeo, S. Ramparsad4, U. Govender
The study was intent on assessing the socio-economic impact of a zinc mine in South Africa through the application of people-centric digital tools using a case study research methodology. The global m
Dec 11, 2024
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The History And Development Of The Pyrometallurgical Processes At Evraz Highveld Steel & Vanadium
By W. S. Steinberg
Keywords: Pyrometallurgy, furnace, open slag bath, Evraz, Highveld In 1963, the full-scale engineering study for the development of an Iron, Steel, and Vanadium plant was initiated. This was the
Jan 1, 2011
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Electrokinetic And Flotation Studies Of Hematite Using Di(2-Ethyl Hexyl) Phosphoric Acid
By B. Das
he flotation studies on hematite were carried out using di (2-ethylhexyl) Phosphoric acid (D2EHPA) as the collector. The possible mineral reagent interaction was studied through electrokinetic and dis
Jan 1, 2003
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SPOTLIGHT on the mechanization of mining operations
By J. J. Geldenhuys
A colloquium on 'Developments in the Mechanization of Mining Operations' was held in, conjunction with the 1984 Electra Mining Exhibition, at the Milpark Holiday Inn in Johannesburg on 19th
Jan 1, 1985
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Characterization Of Inorganic Material In Secunda Coal And The Effect Of Washing On Coal Properties
By J. C. van Dyk
The objectives of this study were firstly to characterize and quantify the inorganic material in the Secunda gasification feedstock. Secondly, the effect of washing on coal properties and sulphur cont
Jan 1, 2005
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Fatigue risk management: charting a path to a safer workplace - Synopsis
By P. C. Schutte
There have been several high-profile accidents in the South African mining industry where fatigue was identified as either causal or contributory. The risk of fatigue is inherent in any work-time arra
Jan 1, 2010