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X-ray Computed Microtomography Studies of MIM and DPR parts
By L. Bam, R. Machaka, S. Chikosha, N. S. Muchavi
"Parts manufactured through power metallurgy (PM) typically contain pores that can be detrimental to the final mechanical properties. This paper explores the merits of 3D X-ray computed tomography ove
Jan 1, 2016
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Novel integrated holistic healthy human framework: A special lens on the minerals industry
By G. L. Smith, B. Genc, V. Morar, U. Govender
This paper presents a novel holistic healthy human framework for C-suite executives and senior leaders in the minerals industry. The value-add of the framework centres around the integration of inner
Oct 2, 2025
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Mining By Rock Cutting In Narrow Reefs
By K. Moxham, A. Smit, R. Pickering
Since the early 1970s research has been ongoing to develop a cost-effective way of continuously mining the narrow reef, hard rock, typical of South African gold and platinum mines. In the late1980s it
Jan 1, 2006
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Rheology based CFD model for performance of dual-component classification in a hydrocyclone, M. Padhi and N. Mangadoddy
By N. Mangadoddy, M. Padhi
The simulation of multi-component classification with modified viscosity model is the key focus in the current study. The classification of the ores using hydrocyclone is a renowned process and has a
Jan 1, 2020
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Book news
Book reviews Natural gas substitutes from coal and oil, by S.A. Qadar. Amsterdam, Elsevier Science Publishers, 1985. U.S.$83.25. Reviewer: U. Grimsehl High heat production (HHP) granites, hydrotherm
Jan 1, 1986
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Copper slag as a potential source of critical elements - A case study from Tsumeb, Namibia
By S. Lohmeier, D. Gallhofer, B. G. Lottermoser, T. Schirmer
At a time of resource consumption, it is important to study the chemical composition of mining and metallurgical wastes to prevent the dissipative loss of metals and metalloids from the mining value c
Mar 1, 2021
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A new method for determining muckpile fragmentation formed by blasting
By A. Tosun
Muckpile fragmentation formed by blasting depends on the specific charge factor, the discontinuities in the rock mass, and the rock strength. Determination of the discontinuity characteristics and roc
Nov 30, 2022
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The Institute of Lighting Engineers of South Africa
The Institute of Lighting Engineers of South Africa The Institute of Lighting Engineers of South Africa (ILESA) was constituted in May 1972 and now has over 70 members. The first Annual General Meetin
Jan 3, 1974
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Study of the Pyrolysis Kinetics of Datong Coal Using a Sectioning Method
By K. Wu, X. Yuan, R. Du, C. Chao
"Lump coals are currently employed to replace part of coke in the COREX melter-gasifier for ironmaking. In order to optimize the process, the pyrolysis kinetics of Datong coal used in the COREX proces
Jan 1, 2016
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Case Study On Quantitative Risk Modelling To Obtain A Realistic Risk-Adjusted Project Valuation
By G. R. Lane
A large opencast gold mining company in Africa had just completed a feasibility study for the expansion of the operations. A traditional net present value project valuation methodology had been used t
Jan 1, 2012
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A limit equilibrium approach to th use of stability bunds in the design of HDPE-lined tailings storage facilities
By T. Bezuidenhout, J. D. Visagie
In recent years the requirements for a barrier system between the waste body of tailings storage facilities (TSFs) and the natural ground (NG) has necessitated the use of HDPE-lined TSFs in South Afri
Jun 2, 2022
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The surface chemistry features of spodumene and feldspar and the flotation behavior of different collectors, R. Xie, Y. Zhu, J. Liu, and Y. Li
By R. Xie, J. Liu, Y. Zhu, Y. Li
The surface chemistry features of spodumene and feldspar were investigated by XPS, zeta potential measurements and first principle calculation. The results indicated that the zeta potential of feldspa
Jan 1, 2020
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Characterisation of pyrite and arsenopyrite surface species in aqueous systems for selective flotation, P. Forson, S. Xu, R. Asamoah, M. Zanin, and W. Skinner
By R. Asamoah, P. Forson, S. Xu, W. Skinner, M. Zanin
In most auriferous hydrothermal deposits, gold is preferentially associated with pyrite and arsenopyrite minerals, with higher economic gold values noted for the latter and arsenian pyrite minerals. I
Jan 1, 2020
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Experimental and theoretical investigations for the optimization of flotation reagents involved in the separation of calcium minerals, L.O. Filippov, I.V. Filippova, Y. Foucaud, M. Badawi, and S. Lebègue
By I. V. Filippova, Y. Foucaud, M. Badawi, L. O. Filippov, S. Lebègue
To optimize the flotation of Ca-minerals, their separation contrasts were investigated by coupling experimental and theoretical techniques. We showed that they mainly rely on structural properties suc
Jan 1, 2020
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Contributors to Fatigue at a Platinum Smelter in South Africa
By J. Pelders, G. Nelson
"Fatigue is a significant concern in the mining industry as it is a causal or contributing factor in many incidents and accidents. Fatigue can be caused by work- and non-work-related factors. There is
Mar 1, 2019
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Keynote address: hydrometallurgical process development for complex ores and concentrates - Synopsis
Hydrometallurgical processing of complex ores and concentrates is becoming increasingly important as the mining and metallurgical industry seeks to exploit mineral deposits that are difficult to treat
Jan 1, 2009
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Revolution In Diamond Manufacturing
By P. van der Steen
This paper examines the historical developments in diamond beneficiation technology and the impacts on the industry. The art of diamond beneficiation has given way to the application of scientific pro
Jan 1, 2010
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Non-cyanide gold recovery methods for refractory sulfide raw material pressure oxidation, A.V. Epiforov, S.V. Balikov, S.S. Gudkov, and E.D. Musin
By E. D. Musin, S. S. Gudkov, A. V. Epiforov, S. V. Balikov
The standard technology for processing of gold-bearing sulfide raw material has many problems associated with the use of cyanide as a gold lixiviant. Therefore, many tests to find alternative gold rec
Jan 1, 2020
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Hazardous passage of Mrazovka tunnel under a reinforced concrete structure
By I. Zemanek, A. Rozsypal
Mrazovka tunnel was excavated under one building whose subsurface space was not possible to reinforce against additional settlements induced by digging. In the presented contribution the risk analysis
Jan 1, 2003
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Case Study: High Capacity Spiral Concentrators
Spiral concentrators are compact, cost-effective and generally efficient gravity concentration separators for a wide range of applications (for example: coal, beach sands, iron ore, chromite and tanta
Jan 1, 2010