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Modelling And Assessment Of The Long-Term Leachate Generation Potential In Deposits Of Ferro-Chromiun Slags
The environmental impact of solid waste materials is closely linked to their potential to produce a hazardous leachate once deposited in a landfill. This potential is conventionally assessed with simp
Jan 1, 2000
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Communicating Confidence in Mineral Resources and Mineral Reserves
Mining is an inherently risky business; from the technical, environmental, social, and economic uncertainties associated with advancing an exploration prospect to a viable project to the operating, ma
Jan 1, 2014
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How Effective Is The Non-Destructive Examination Of Multi-Layer, Low Rotation Winding Ropes?
The paper reviews the results emanating from an experiment conducted in Bochum?Germany in which various international rope inspection authorities were requested to assess the conditions of a corroded
Jan 1, 2000
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Fundamentals Of Freeze Lining Behaviour In Ilmenite Smelting (3a57d3de-509b-4f93-b2e1-a89185adab8b)
Changes in reductant and energy inputs which are required to adjust the slag composition in an ilmenite smelter to a higher or lower FeO content are calculated. The calculated changes are based on the
Jan 1, 2003
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The Effect Of Copper Sulphate Addition On The Recovery Of Chromite In The Flotation Of UG2 Ore
By T. D. Mailula
Paper written on project work carried out in partial fulfilment of M.Sc.(Chemical Engineering) degree Chromite and talc are two major gangue minerals in platinum bearing UG2 ore processed from the
Jan 1, 2003
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The Development Of A Jet Reactor For The Leaching Of Valuable Metals
By B. M. Loftus
An investigation into the use of impinging stream (jet) reactors for the leaching of a free milling ore produced an increase in gold recovery by 10% while decreasing leaching time by up to 90%.Tests o
Jan 1, 1997
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Setting The Scene: Rockpass Accident Statistics And General Guidelines For The Design Of Rockpasses
Records over the past ten years indicate that there is potential for serious multiple accidents due to engulfing associated with rockpasses. Significant attention is not usually given to the design of
Jan 1, 2005
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Keynote Address: Viscosities of slags-an overview
By Du Sichen, K. Mukai, S. Seetharaman
Viscosities of slags constitute an important physical property needed for an understanding of the mass transfer phenomena in metallurgical processes. Viscosity is also the key that leads to a better u
Jan 1, 2004
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Justification Techniques For Computer Integrated Mining (14216d4e-8dfe-4513-ac95-a4a15af5ac77)
By S. Dessureault
Computer Integrated Mining (CIMG) is a process of using computer networks to transform islands of enabling technologies into a highly interconnected mining system. CIMG involves the integration of adv
Jan 1, 2004
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Semi-Controlled Seismogenic Experiments In South African Deep Gold Mines
By H. Ogasawara
To study the preparation process of an earthquake, we should get closer to the hypocentre. In co-operation with ISS International, we had an experimental field (~200 m x~200 m) without dykes and fault
Jan 1, 2002
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Rock Drillability Prediction From In Situ Determined Unconfined Compressive Strength Of Rock - Synopsis
By V. C. Kelessidis
The interaction between rock and drill bit during drilling has been modeled for many years, but a complete understanding of the phenomena occurring has yet to materialize. Successful models will allow
Jan 1, 2011
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The Production And Application Of Ferrosilicon In The Mining Industry
By P J. Grobler
The current commodity boom is depleting the ore bodies at a rate not seen in the past. As the existing ore bodies get depleted, only the more inferior bodies are left for exploitation. This places an
Jan 1, 2006
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Reduction Of Chromium Oxide In Stainless Steel Slags
By N. Sano
The chromium oxide in stainless steel slags usually exists as Cr2O3. However, there is a possibility that it is oxidized to hazardous CrO3 after disposal or during use. Therefore, some technical devel
Jan 1, 2004
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Just-In-Time Development Model For A Sub-Level Caving Underground Mine In Zimbabwe
By C. Musingwini
Traditionally, mineral reserves management at most underground mines in Zimbabwe focus on maintaining large mineral reserves so that the time between development and production is as long as possible.
Jan 1, 2003
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Deformation Behaviour Of Rocks Under Compression And Direct Tension
By X. Yu
Although many investigations of the deformation behaviour of rocks have been carried out, most of them are carried out in compression. In all rock engineering practice it is usually assumed that the d
Jan 1, 2005
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Some practical aspects of the use of lognormal models for confidence limits and block distributions in South African gold mines
By D. G. Krige
For the purpose of determining confidence limits for ore grade estimates, an extensive simulated data base was used, which included 1728 ore blocks with ‘actual’ grades and the corresponding estimates
Jan 1, 2003
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Investigation Of Surface Properties Of Gangue Minerals In Platinum Bearing Ores (987425e4-8c6a-401a-a26d-aaffefa9014a)
By J. Martinovic
The large proportion of gangue minerals present in platinum bearing ores in South Africa provides challenges to the flotation and downstream processes. In order to take effective measures to reduce th
Jan 1, 2005
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Efficient Enhanced Gravity Recovery Of Zircon Using The Kelsey Centrifugal Jig
By Wynand Erasmus, Terry A. Jones
The Kelsey Centrifugal Jig (KCJ) utilizes the application of centrifugal force (and the resultant enhanced gravitational field) to conventional jigging technology principles to successfully process ma
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Cu-Removal From The Skorpion Circuit Using Emew® Technology
By I. Ewart, E. Roux
Skorpion Zinc operates a solvent extraction/electrowinning zinc plant producing over 150 000 t/a of special high grade (SHG) zinc (>99.995% Zn). In the current flow sheet copper and cadmium are cement
Jan 1, 2007
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Method For Assessing Quality Of The Variogram
By H. J. Glass
Collection, preparation, and analysis of blasthole chippings is expensive. Frequently, interpolation of grades at unsampled locations is considered using techniques like kriging. A pre-requisite for k
Jan 1, 2003