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The Application Of GRP And Thin Spray Liner Support Products In A Typical Block Cave Mining Method To Enhance Safety And Productivity ? Synopsis
A typical sub-level block cave mining extraction method employs an undercut level to establish a cavity in hard rock, and as such requires special support methods and products to be installed during t
Jan 1, 2012
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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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An Agglomerate Scale Model For The Heap Bioleaching Of Chalcocite
By N. Ogbonna
A mathematical model for bioleaching at the agglomerate scale is developed. The agglomerate is defined as a unit volume of a heap which contains a solid phase (a size distribution of ore particles), a
Jan 1, 2006
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The major role played by calcium in gold plant circuits - Synopsis
By R. J. Davidson
Arguments are presented in favour of a new interpretation of the chemistry pertaining to the dissolution of gold, when this takes place in typical gold plant leach circuits where calcium is present in
Jan 1, 2007
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The Influence Of Rockpass Excavation And Operation On The Structural Design Of Box Fronts
By S. Achilleoudes
This paper describes the various factors that contribute to the maximum design pressures acting on box fronts and how these factors influence the mass and economy of box front steelwork. The influence
Jan 1, 2005
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Incorporation Of Ore Grade Uncertainty Into The Push Back Design Process
By J. Gholamnejad
In open pit mine planning and design, push back mine sequencing is widely used for long-term production planning. In push back design, a series of nested pits is generated and then considered as possi
Jan 1, 2007
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The Thermodynamic Activity Of MnO In Stainless Steel-Type Slags (f7a799eb-a033-464f-ab27-08cbca43c6bf)
By K. Ding
The thermodynamic activity of MnO was measured in MnO-CaO-MgO-SiO2 slags that are typically encountered in the production of manganese-containing stainless steels. A gas equilibration-quenching techni
Jan 1, 2005
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A Risk Consequence Approach To Open Pit Slope Design
By P.J. Terbrugge
Open pit slope design has conventionally been effected as a bottom-up function utilizing available geotechnical information. This results in a decision criterion based on probability of failure and fa
Jan 1, 2006
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Multicriteria Choice Of Ore Transport System For An Underground Mine: Application Of PROMETHEE Methods
By B. Elevli
The aim of this paper is to demonstrate the implementation of multicriteria analysis in selection of the most suitable underground ore transport system for a chromite mine in Turkey. The related probl
Jan 1, 2004
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Pyrite Roasting, An Alternative To Sulphur Burning (d700c668-25c5-448f-a12c-2b6d2b5c6aa3)
The roasting of sulphide ores and concentrates is often the first step in the production of metals or chemicals. In many processes, the production of sulphuric acid is viewed as a by-product, while in
Jan 1, 2009
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Pyrite Roasting, An Alternative To Sulphur Burning
The roasting of sulphide ores and concentrates is often the first step in the production of metals or chemicals. In many processes, the production of sulphuric acid is viewed as a by-product, while in
Jan 1, 2009
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Improved Flotation Performance At Karee Platinum Mine Through Better Level Control
By J. H. Schubert
Mintek has developed a level-control system, FloatStar, for use in flotation circuits. Instead of controlling levels separately in each unit, the controller monitors levels throughout the circuit. It
Jan 1, 1999
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Chromium Distribution Between Slag And Non-Carbon Saturated Metal Phases Under Changing Partial Pressure Of Carbon Monoxide (2f621001-104f-4bcc-b841-e1bf91a96615)
By X. Pan
Slag-metal equilibrium experiments were conducted at 1500ºC and1580ºC under 0.03 atm, 0.05 atm and 0.83 atm CO partial pressures using silica and Cr-oxide crucibles. The complex slags belonged toSiO2-
Jan 1, 2004
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Virtual reality applications in the Australian minerals industry
Virtual Reality (VR) simulations are excellent tools for training, education, simulation of abnormal and dangerous conditions in mines and solving complex problems. Although the concept of VR has been
Jan 1, 2003
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Validity Range of the Discrete Gaussian Change-of-Support Model and its Variant
By J. -P. Chilès
The discrete Gaussian model is a very popular change-of-support model for estimating block grade distributions. It is designed for a stationary random function Z(x) that is regarded as the transform o
Jan 1, 2014
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Integration Of The Mining Plan In A Mining Automation System Using State-Of-The-Art Technology At De Beers Finsch Mine
By D. J. Burger
This paper will highlight the system components of a successful underground mining automation project recently launched at DeBeers Finsch Mine. It will also show that integration of short-term mine pl
Jan 1, 2006
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Phase Effects in Tap-Hole Flow – A Computational Modelling Study
By O. F. Oxtoby, J. E. Olsen, M. W. Erwee, Q. G. Reynolds
"The extraction of molten products and wastes through smelting furnace tap-holes during the tapping process is a complex procedure involving many coupled thermophysical effects. Insight into the fluid
Jun 1, 2019
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Studies On The Bioleaching Of Refractory Concentrates
By A. W. Breed
The bioleaching of arsenopyrite, the oxidation of arsenate and the precipitation of ferric arsenate are competing reactions, hence their rates depend on the relative concentrations of the respective s
Jan 1, 2000
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Leaching Of Rare Earth Elements From Bentonite Clay - Synopsis
By J. G. van der Watt
Due to increasing concerns of global rare earth element shortfalls in the near future, possible alternative sources of rare earth elements have recently become of economic interest. One such alternati
Jan 1, 2012
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Mathematical Solutions To The Multiple-Fan Ventilation Systems
By S. Sarac
In this study, graphical and mathematical methods used to determine operating points in single or multiple fan ventilation systems are summarized. The problem is mathematically formulized for parallel
Jan 1, 2000