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The Effects of Froth Depth and Impeller Speed on Gas Dispersion Properties and Metallurgical Performance of an Industrial Self-Aerated Flotation Machine
By H. Naghavi, M. Karimi
"In self-aerated flotation machines, the gas rate depends on operational variables (e.g. froth depth and impeller speed), pulp properties (e.g. solid content and viscosity), and reagent addition (e.g.
Jul 1, 2019
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The South African Legislative Framework For Mine Closure
By E. Swart
The purpose of this paper is to provide an overview of the current legislative framework for mine closure within South Africa as well as the new requirements in terms of the Mineral and Petroleum Reso
Jan 1, 2003
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Innovative Hydrogen Production By Reaction Integrated Novel Gasification Process (HyPr-RING)
By S. Lin
A new hydrogen production process, named the HyPr-RING, has been proposed. Fundamental concept of the HyPr-RING is integration of water carbon reaction, water-gas shift reaction and CO2 absorbing rea
Jan 1, 2001
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A Review On The Progress Towards PT-Base Superalloys For Ultra High Temperature Applications
By S. Vorberg, J. Preussner, B. Fischer, U. Glatzel, R. Völkl, M. Wenderoth
Pt-Al-X alloys have shown good mechanical properties and adequate oxidation resistance. Starting from a promising Pt-Al-Cr alloy, the influence of Ni additions was investigated. After ageing finely di
Jan 1, 2006
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Immediate Ground Support, After Development Or Stope Face Exposure, Can Prevent Falls Of Ground.
By B Vorster
Falls of Ground is one of the highest causes of incidents, accidents and fatal injuries in our mines today. These falls of ground may occur as soon as the face is exposed after blasting or after m
Jan 1, 2008
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Oxidative Precipitation Of Fe And Mn By Air/So2
By Michelle Mouton, Johanna van Deventer, Jussi Vaarno
Mintek has been involved in numerous projects to remove Fe and Mn from dilute Co sulphate solutions by means of oxidative precipitation using air/SO2. Test work was done using a gas induction system,
Jan 1, 2007
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Morphological approach to volume calculation of complex 3D geological objects
By D. R. Hack, N. M. Sirakov, M. L. Feves, M. Iwanowski
This paper presents a new approach capable of volume calculation of 3D reconstructed geological objects. The method is based on a well-known concept that states the volume of an object can be computed
Jan 1, 2003
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Optimizing LHD Utilization ? Synopsis
By D. Mkhwanazi
The purpose of the project was to optimize load haul dump (LHD) machinery use as they were spending too much time doing what they should not be doing. During the investigation, the author found that t
Jan 1, 2011
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Simplification Of The Thabazimbi Dense Media Separation Plant Flow Line To Increase Capacity - Background
By E de Villiers
Several methods exist by which the capacity of a dense media separation (DMS) plant can be improved: 1) Increase the feed rate in spite of efficiency 2) Replace with bigger equipment 3) Add wh
Jan 1, 2006
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The Performance And Properties Of Mould Fluxes
By A. B. Fox, R. P. Thackray, K. C. Mills
The role of mould fluxes in continuous casting is reviewed. The main functions of the flux are described and the importance of the flux in providing lubrication and the right level of heat transfer be
Jan 1, 2004
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Lötschberg base tunnel: brittle failure phenomena encountered during excavation of the Steg lateral adit
By V. Labiouse, P. K. Kaiser, F. Descoeudres, F. Rojat
In this paper some failure phenomena observed in the crossing of brittle rock formations at the Lötschberg base tunnel are presented. A brittle failure criteria, recently developed by Canadian researc
Jan 1, 2003
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A New Bubble Pick-up Technique as a Rapid Flotation Test Method
By A. F. Lee
A pick-up apparatus capable of yielding quantitative results has been described. Studies of some collector-mineral systems have been presented to illustrate the versatility of the apparatus and prove
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Multicriteria Selection For An Alumina-Cement Plant Location In East Azerbaijan Province Of Iran
One of the most important factors leading to the success of a cement plant is its location. A multicriteria decision-making method is used to rank alternative plant locations. The set of criteria is e
Jan 1, 2005
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Mining with caved in bed, method used in the Jiu Valley—Safety and technical issues
By L. Jurca, C. Gligor
After 1990, a great process of re-organisation and economic reform has occurred in the Romanian mining sector and especially in the pitcoal mining in the Jiu Valley. This process has included both leg
Jan 1, 2003
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A Systems Approach In Implementing Minerals Resource Management At A Base Metal Mine (Rosh Pinah Zinc Corporation, Namibia)
By A. W. Diedericks
Rosh Pinah Zinc Corporation (RPZC) identified implementing a Mineral Resource Management (MRM) programme at the mine as a strategic incentive. The purpose of the programme is to optimize the economic
Jan 1, 2003
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Mine Disaster and Mine Rescue Training Courses in Modern Academic Mining Engineering Programmes
The mining industry worldwide is currently facing a significant restructuring process. In most underground mines, widespread mechanization of the mining processes increases production while reducing s
Jan 1, 2014
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Mine disaster and mine rescue training courses in modern academic mining engineering programmes (70cf64eb-7ce2-4e61-b78d-364fa22d3992)
By N. Henderson, J. Weyer, J. F. Brune
"The mining industry worldwide is currently facing a significant restructuring process. In most underground mines, widespread mechanization of the mining processes increases production while reducing
Jan 1, 2014
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Future And Potential In-Stope Rock Support Systems In Conventional Narrow Vein Stoping Operations To Reduce Safety Risks And Enhance Productivity
By I T. Tshabalala
In typical conventional narrow vein stoping operations, the use of temporary support components to offer some support to workers, whilst the permanent and generally more elaborate support system gets
Jan 1, 2008
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MgO modification of slag from stainless steelmaking
By J. Eriksson
Slag from stainless steelmaking is known to disintegrate, which is an environmental problem and prevents the cooled slag from being utilized. This disintegration is due to the transformation from the
Jan 1, 2004
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Technological developments for spatial prediction of soil properties, and Danie Krige’s influence on it
By R. Webster
"Daniel Krige’s influence on soil science, and on soil survey in particular, has been profound. From the 1920s onwards soil surveyors made their maps by classifying the soils and drawing boundaries be
Jan 1, 2015