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Increasing The Capacity Of The Grinding Circuits Without Installing More Mills
By Godofredo F. Barrios
For years urethane screen surfaces have been used in a wide range of wet screening applications where openings from as fine as 100 microns and coarser have been used. The purpose of this paper i
Jan 1, 2007
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Release Analysis of Coal Fines: Evolution of the Methodology and Critical Issues Involved
By L. Sahu, S. Bhattacharya, S. Dey
"An ideal procedure to determine the limits of flotation-based separation, as is the case with washability analysis for density separation, does not exist. Therefore, a procedure called release analys
Jun 1, 2019
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Geotechnical Areas Associated With The Ventersdorp Contact Reef, Witwatersrand Basin, South Africa
By M. K. Roberts
The approximately 2800 Ma old Ventersdorp Contact Reef is a unique Witwatersrand orebody, from which about 6% of the world?s gold production is derived. A major portion of this production is mined at
Jan 1, 1999
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Univ CPT van der Westhuizen - Application of Components of Variance Analyses at ZincorZinc Refinery
By Dave Deglon, Andrévan der Westhuizen
Objectives ?Survey typical Met Accounting streams at the Zincor refinery ?Determine Precision in Metal Conc?s Measurements for Monthly Met Balance ?Determine the Components of Variance in th
Jan 1, 2005
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Jwaneng — the Untold Story of the discovery of the World’s Richest Diamond Mine
By N. Lock
"Despite the pre-eminence of the Jwaneng Diamond Mine as the world’s richest diamond mine, the discovery story has long been clouded in mystery. This is the 45-year old untold story of the Jwaneng dis
Feb 1, 2019
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Slope Monitoring Strategy At PPRust Open Pit Operation
By M. J. Little
Potgietersrust Platinums Ltd (PPRust) is Anglo Platinum?s only open pit operation. The major slope stability concern at PPRust is rapid, small-scale brittle failure on the west wall of Sandsloot open
Jan 1, 2006
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A Safety Plateau At Modikwa ? Introduction
By S. O?Connor
When one looks back and does assessments of what has been the key ingredient in achieving success in our safety efforts, there are many issues that spring to mind and cover a wide array of elements. O
Jan 1, 2011
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Determination Of The Degree Of Thermal Exposure To The Lower Head Of The Three-Mile Island Unit 2 Nuclear Reactor Using Metallography ? Synopsis
By G. F. Vander Voort
The accident at Unit No. 2 of the Three Mile Island nuclear reactor (TMI-2) on 28 March 1979 was the worst nuclear accident in US history and crippled the nuclear industry. An international Vessel Inv
Jan 1, 2013
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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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System Ductility Of Long Fibre Reinforced Shotcrete
By H. A. D. Kirsten
Shotcrete has become a strategic component of support in underground mines. The ductility of reinforced shotcrete makes it a safe and economic means of surface support under adverse static and dynamic
Jan 1, 1998
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Efficiency Analysis of Armed-Chained Cutting Machines in Block Production in Travertine Quarries
By A. Sariisik
This study analyses the results of a pilot trial of a newly developed armed-chained stone-cutting machine. The machine was developed in Turkey and trialed at the Kaklik/Kocaba travertine quarries i
Jan 1, 2010
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The Microstructure And Mechanical Properties Of Cromanite? Welds
By M. du Toit
Cromanite?is a new high-strength austenitic stainless steel developed by Columbus Stainless. It contains approximately 19 percent chromium, 10 per cent manganese and 0,5 per cent nitrogen. Cromanite c
Jan 1, 1999
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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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PB Battery Recycling. New Frontiers In Paste Desulphurisation And Lead Production
By M. Olper
The change in regulations and the strong attention to the environment have suggested some changes in the traditional processes for the recycling of lead acid batteries. Engitec Technologies, marketing
Jan 1, 2008
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Determination of Optimal Fragmentation Curves for a Surface Diamond Mine
By K. M. Phamotse, A. S. Nhleko
"*Paper written on project work carried out in partial fulfilment of BSc (Mining Engineering) degreeSynopsisLiqhobong Mining Development Company (LMDC) has been experiencing problems with boulders aft
Jul 1, 2019
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Support Pressure Estimation For Circular And Non-Circular Openings Based On A Parametric Numerical Modelling Study
By H. Yavuz
Closed form solutions assume opening shape to be circular to simplify the calculation of the ground response curve for the design of underground openings. However, in mining and civil engineering work
Jan 1, 2006
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Sampling The Coal Chain
By P. E. Hand
Coal is a complex heterogeneous commodity that can be mined in a number of ways and needs to be processed to a homogeneous quality that satisfies the customer?s requirements, while attempting to maxim
Jan 1, 2014
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Comparative Seismology Of The Witwatersrand Basin And Bushveld Complex And Emerging Technologies To Manage The Risk Of Rockbursting
By R. J. Durrheim
The seismicity of the Witwatersrand Basin and Bushveld Complex has been analysed, revealing significant differences in source and damage mechanisms. A comparison of mining taking place at similar dept
Jan 1, 2005
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Double-header trains at Great Noligwa mine - Synopsis
By L. van Dyk
The project was aimed at evaluating the double-header trains implemented at Great Noligwa mine, looking at the changes from the old conventional trains to the new trains, and identifying possible impr
Jan 1, 2008
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The Use Of Electron Microbeam Techniques In Metallurgical Analysis
By L. Andrews
Electron microbeam analysis of metallurgical samples covers abroad field and has applications in the areas of minerals processing, hydrometallurgy, pyrometallurgy, physical metallurgy and corrosion.
Jan 1, 2007