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Determining Settlement Rates and Surface Stability Using In Situ Density of Backfill as a Proxy for Displacement
By D. Fenn, A. du Kanda, D. Dukhan
"SynopsisGibb Consulting Services was contracted by Eskom Line Engineering Services to conduct an investigation to determine the absolute displacement to date and infer the current rate of displacemen
Jan 1, 2015
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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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Process Developments At Tailings Leach Plant
By Martin Banda, Gift C. Chisakuta, Moses Chabinga
KCM made a major modification to the Nchanga Tailings Leach Plant (TLP) changing the circuit from feeding post leach thickeners in parallel with leach discharge for solid ?liquid separation to a Count
Jan 1, 2005
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Design and development of a low noise rockdrill
By R. W. Ottermann, N. D. L. Burger, A. J. von Wielligh, P. R. de Wet, J. L. Steyn
A low noise blast hole drilling system was developed to limit the risk of noise induced hearing impairment in mining operations. Noise induced hearing loss has been identified as a major occupational
Jan 1, 2003
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Time-Dependent Behaviour Of Hard Rock In Deep Level Gold Mines
By D. F. Malan
In deep level hard rock mining the rheological behaviour of the rock is important as time-dependent aseismic processes can lead to a stable dissipation of energy thus reducing violent outbursts. Under
Jan 1, 1997
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Skorpion Zinc: Optimisation And Innovation
The Skorpion process comprises three processing steps, atmospheric leaching in sulphuric acid, zinc solvent extraction and electrowinning to produce special high grade zinc. The major mode of impurity
Jan 1, 2007
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"The Advantages Of Ili Inspection And Practical Issues Involved In Undertaking Projects". - Introduction
By Ernie Holden, Chris Ringas
In the last 20 years, In Line Inspection (ILI) using intelligent pigs has become the principal tool used by pipeline operators to assess the condition of their pipelines. New pipelines are normally de
Jan 1, 2006
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Contribution On Nickel, Zinc And Sulphur Co-Deposition During Cobalt Electrowinning
By K Kongolo, M K. Kalenga
It is well known that the electrochemical precipitation of metals from aqueous solutions is conducted by the electrochemical standard potential scale. This scale indicates the order of nobility of di
Jan 1, 2005
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Flow Behaviour And Drag Reduction Of Fluidic Ash-Water Slurries
By P. Vlasak, Z. Chara
Since the flow behaviour of slurry containing both coarse and very fine particles has not been sufficiently clarified, the paper focuses on the experimental study of the particle size distribution, ti
Jan 1, 2007
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The introduction of concrete sausage packs at Rustenburg Platinum Mines Limited
By S. Stone
Because of problems encountered with conventional timber supports, a system of concrete sausageshaped support pillars was tested. The pillars are 3 m long, 0,6 m wide, and between 70 and 80 cm high (t
Jan 1, 1978
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Recent Improvements At The BCL Smelter
By A. C. Legg, M. T. Malema
Keywords: Pyrometallurgy, flash, smelting, furnace, nickel, copper, Botswana BCL Limited operates the only Flash Smelting Furnace on the African continent, at Selebi-Phikwe, situated in north-east
Jan 1, 2006
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Larox Horizontal Vacuum Belt Filter With Side Vacuum - 1. Introduction
By R Kroukamp
Horizontal belt filters are typically used for separation of relatively free filtering solids where good post treatment is required. He horizontal belt filter is a continuous filter with an endless cl
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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Practices And Design For Extending The Hearth Life In The Mittal Steel Company Blast Furnaces
By W. Carter, P. Chaubal, K. Spaleck, M. Schoeman, J. Bobek, W. Seegers
Keywords: Pyrometallurgy, steel, hearth, blast furnace The Mittal Steel Company operates about 36 blast furnaces on four continents. Furnaces range from 1100 m3 to 4800 m3 inner volume. The focu
Jan 1, 2006
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Strength of model rock masses with discontinuous joints
By Van Sint JanM., M. Prudencio
ABSTRACT We report the results of a model-testing program to evaluate the strength characteristics of non-persistent joints. We describe the conditions under which new tensile cracks generate and
Jan 1, 2003
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Large-scale 3D characterisation of in-situ stress field in a complex mining district prone to rockbursting
By J. P. Josien, J. F. Noirel, F. Lahaie, P. Bigarre, M. Al Heib
ABSTRACT: In June 2001, a fatal rockburst affected a longwall face in the Houillères du Bassin de Lorraine (HBL), France. Subsequently, a large operation of in situ stress measurements by overcoring w
Jan 1, 2003
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A History Of Gravity Separation At Richards Bay Minerals - Introduction
By P J. Fourie, J R. Walklate
Gravity separation techniques have been in use in the mineral sands industry for decades; from the Reichert cone to Wilfley tables, Wright sluices and the Kelsey Jig, all attempting that elusive perfe
Jan 1, 2006
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Bindura Nickel Smelter - From Decommissioning, Care And Maintenance, To Plant Re-Start
By A. Mboma
Keywords: Furnace, decommissioning, care and maintenance, re-start, funding, nickel Bindura Nickel Corporation (BNC) operates two nickel mines, and treats concentrates from these mines as well as
Jan 1, 2011
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The Effect Of Overloading And Premature Centrifuging On The Power Of An Autogenous Mill
By M. A. van Nierop
Load behaviour in an industrial mill has been measured directly by inserting probes through liner bolts. The data from conductivity probes have indicated the presence of premature centrifuging during
Jan 1, 1997
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PNEUFLOT® - Modern Flotation Technology In The 21st Century
By Lutz Markworth, Wolfram Jaspers, Johannes Kottmann
PNEUFLOT® technology has been applied for the past 20 years in coal, ore and other minerals processing plants. During the last two years this technology has achieved a breakthrough with some 42 units
Jan 1, 2007