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Mobile hydraulic support for copper ore mines
By K. Kotwica, P. Gospodarczyk, J. Sosnica, J. Pawlik, Z. Iwulski, K. Pawlik
The paper presents problems resulting from the mobile mining machines functioning and requirements concerning a machine control system, which controls successive operation stages of such machines. The
Jan 1, 2003
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A semi-empirical solution for estimating the elastic stresses around inclined mine stopes for the Mathews-Potvin stability analysis
By R. Simon, P. Pagé, L. Li, P. Yang
The Mathews-Potvin stability method is widely used in the Canadian mining industry as a starting point to determine the maximum dimensions of mine stopes. However, it cannot be applied to inclined (mo
Aug 1, 2021
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Copper losses to slags obtained from the E1 Teniente process
By M. Sanchez, I. Imris, G. Achurra
The Smelting and Converting El Teniente Process for copper concentrates as well as Slag Cleaning Furnace Technologies to treat slags coming out from the El Teniente Furnaces are widely applied today i
Jan 1, 2004
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What Is The Best Energy Delivery System For Hand-Held Stope Drilling And Associated Equipment In Narrow-Reef Hard Rock Mines?
By P. J. Petit
Changing mining conditions, legislative issues, rising costs, and the constrained supply of skills and electricity in South Africa, have been some of the criteria forcing mine operators and engineers
Jan 1, 2012
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Zircon characterization—a new approach to an age-old problem
CSIRO Mineral has recently developed a new electron microprobe based system for characterizing zircon grains from heavy minerals sand deposits. The system acquires cathodoluminescence (CL) spectra, X-
Jan 1, 2003
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The Dissolution Behaviour Of Selected Oxides In CaO-SiO2-Al2O3 Slags
By L. Chen, G. A. Brooks, S. A. Nightingale
The dissolution of alumina and magnesia has been investigated using laser scanning confocal microscopy (alumina) and a rotating finger apparatus (magnesia) to assess the effects of temperature, compos
Jan 1, 2004
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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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A Conceptual Study Into Optimizing The Delivery Of Trackbound Twin Ends Through Trackless Mechanized Development
By D. Nardini
The need to move towards faster and safer mine development is a key priority in mining houses globally. In addition to this, South Africa faces an array of challenges introduced by labour-intensive op
Jan 1, 2012
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A few remarks on storage of low temperature materials in rock caverns
By N. Kinoshita, Y. Inada
The authors have proposed and discussed storage of low temperature materials such as LNG, LPG and frozen food in rock caverns. In this case, as the rock mass around the caverns will receive effects of
Jan 1, 2003
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Minerals sands mineralogy and metallurgy—Can they speak the same language?
By S. K. Gilman, V. E. Hugo
A common problem encountered in the mineral sands industry is that the mineralogical measurements used in defining the resource are not readily converted to metallurgical recoveries, which are used to
Jan 1, 2003
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Investigation of Flow Regime Transition in a Column Flotation Cell using CFD
By N. Snyders, I. Mwandawande, S. M. Bradshaw, M. Karimi
"Flotation columns are normally operated at optimal superficial gas velocities to maintain bubbly flow conditions. However, with increasing superficial gas velocity, loss of bubbly flow may occur with
Feb 1, 2019
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Monitoring the lining of an ilmenite smelting furnace
By K. Sørli, H. Elstad, I. M. Skaar, A. Hildal
Generally, monitoring of refractory furnace linings is of interest to the metallurgical industry. The main issues are to control wear of the furnace lining and break out of molten metal. Penetration o
Jan 1, 2003
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Kinetic Studies On The Leaching Reactions In The Autoclave Circuit Of The Tati Hydrometallurgical Demonstration Plant
By B. D. Paphane
Since the commissioning of the Tati Hydrometallurgical Demonstration Plant (HDP), which produces Ni and Cu cathodes as well as Co salt from sulphide concentrate employing Activox® technology for leach
Jun 1, 2013
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Utilization of blast movement measurements in grade control
By I. R. Firth, D. L. Taylor
Metal mining operations, in particular gold mining operations, use intensive ore control procedures in order to manage the extraction of ore zones from benches containing both ore and waste material.
Jan 1, 2003
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Developing an Artisanal Buying Centre System Meeting Ethical Sourcing Criteria
By G. Bezuidenhout, N. C. Steenkamp
Buying centres are the first point of contact that determines whether ore will be considered as having sufficient provenance to be considered ethically sourced. The information that needs to be captur
Jan 1, 2023
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Occupational hygiene practices in the South African mining industry—Inspectorate perspective
Historically, mine ventilation practices as it was referred to then and which was enforced by legislation of those days, focused primarily on the conditions in the working place and little attention g
Jan 1, 2003
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Thermodynamic Investigations Of Corrosion Phenomena Caused By Metal Halide Salt Melts In High Temperature Discharge Lamps
By T. Markus, K. Hilpert
Discharge vessels of advanced light sources are made of translucent polycrystalline Al2O3(PCA).These tubes contain salt mixtures, which essentially consist of metal halides. The salt mixture is presen
Jan 1, 2004
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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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Platinum-Based Alloys For High Temperature And Special Applications
By L. A. Cornish, L. H. Chown, S. N. Prins, R. Süss, L. Glaner, A. Douglas
Platinum-based alloys are being developed for high temperature and special applications for good corrosion and oxidation resistance. The microstructures are similar to those of nickel-based super allo
Jan 1, 2004
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Matching numerical methods to rock engineering problems: a summary of the key issues
By J. P. Harrison, J. A. Hudson
ABSTRACT: Given the current widespread use of numerical models for rock mechanics and rock engineering, and the ‘Technology Road Map’ theme of the Congress, it is timely to consider the key issues in
Jan 1, 2003