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Determination of rhodium from fire assay using lead collection with the addition of co-collector, followed by acid dissolution to enhance recovery and analytical accuracyBy R. Letsaole, H. Mabowa, J. Sehat, J. Tshilongo, T. Rampfumedzi, N. Ntsasa, A. Mkhohlakal1
This study explores the use of co-collectors to enhance the recovery and determination of rhodium during fire assay with lead collection, followed by acid dissolution using conventional hot plate meth
Mar 6, 2026
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Rockbolts in shearBy J. Hadjigeorgiou, G. Knox
There is a considerable wealth of information on the behaviour of rockbolts under axial loading conditions both in situ and under controlled laboratory conditions. However, there is comparably less da
Nov 24, 2025
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The use of 4-methylbenzenesulfonate ionic liquid derivatives as environmentally friendly corrosion inhibitors for mild steel in hydrochloric acidBy T. Nesane, S. S. Mnyakeni-Moleele, L. C. Murulana
The effectiveness of two synthesized ionic liquids, 1-(benzyloxy)-1-oxopropan-2-aminium 4-methylbenzenesulfonate (1-BOPAMS) and 4-(benzyloxy)-4-oxobutan-1-aminium 4-methylbenzenesulfonate (4-BOBAMS),
Apr 1, 2021
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Developments in the pretreatment of refractory gold minerals by nitric acidBy D. -X. Li
The paper covers many literature reports of processes using nitrogenous species as an oxidant for processing refractory gold ores, especially development in the pretreatment of refractory gold mineral
Jan 1, 2009
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Measuring and Modelling of Density for Delected CaO-Al2O3-MgO SlagsBy J. E. Xu, J. Y. Zhang, M. Q. Sheng, K. Wan
"SynopsisThe densities of selected CaO-Al2O3-MgO slag systems were measured at 1823K by the Archimedean method. Thirteen different slag compositions were chosen based on different levels of the MgO co
Jan 1, 2015
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Time-Dependent Failure of Open Stopes at Target MineBy F. P. Janse van Rensburg, P. J. Le Roux
"There are numerous factors that affect open stope stability and often result in falls of ground. These falls of ground can be attributed to factors such as beam failure due to a larger than normal ro
Apr 1, 2019
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An Improved Flotation Test Method and Pyrite Depression by an Organic Reagent during Flotation in SeawaterBy L. A. Cisternas, R. I. Jeldres, D. Calisaya
"Flotation of copper-molybdenum sulphide ores in seawater entails critical challenges such as selective recovery of molybdenite, effective pyrite depression, and reducing the lime addition required to
Jan 1, 2017
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Annual Report for the year ended 30th June, 1991COUNCIL FOR 1990/91 President H.G. Mosenthal President Elect RD. Beck Senior J.P. Hoffman Vice Presidents Junior Or H. Scott-Russell Immediate Past President Or O.K.H. Steffen Honorary Tre
Jan 1, 1991
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Strain-controlled tests on model mine supportsBy G. E. Blight
The load-compression characteristics of mine supports are usually evaluated by means of relatively rapid tests, whereas in the mine they are subjected to much slower strain-controlled compression. The
Jan 1, 1978
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X-Ray Diffraction (XRD) As A Fast Industrial Analysis Method For Heavy Mineral Sands In Process Control And Automation - Rietveld Refinement And Data ClusteringBy E. Spicer
X-Ray diffraction (XRD) provides useful information about the composition of an ore sample in terms of quantification of crystalline phases and amorphous content. The use of new, fast detection system
Jan 1, 2007
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Proceedings, Annual General MeetingThe 89th Annual General Meeting of The South African Institute of Mining and Metallurgy was held at Kelvin House, Johannesburg, on 20th August, 1986. Mr. H. E. James (President) was in the chair and d
Jan 1, 1986
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The adsorption mechanism of 2-(benzylthio)-acetohydroxamic acid to diaspore, Q. Sun, H. Zhong, and S. WangBy H. Zhong, S. Wang, Q. Sun
The flotation performance of 2-(benzylthio)-acetohydroxamic acid (BTHA) to diaspore was first evaluated by micro-flotation tests. The adsorption mechanism was further investigated through adsorption e
Jan 1, 2020
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Book Gold Metallurgy in South AfricaBook Review Gold Metallurgy in South Africa, edited by R. J. Adamson and published by the Chamber of Mines of South Africa, Johannesburg, 1972. The metallurgical processes used for the recovery of gol
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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. MusinBy 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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Potential and challenges of thiosulfate for gold recovery from Secondary resources compared to gold ores, A. Birich and B. FriedricsBy B. Friedrich, A. Birich
Gold has been a metal of special importance for mankind for several thousand years. Its outstanding chemical resistance is an important property of this noble metal, but becomes a disadvantage when it
Jan 1, 2020
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Contributors to Fatigue at a Platinum Smelter in South AfricaBy 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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Analysis of pressure drop and hold-up during vertical transport of limestone slurry in lean phase and heterogeneous regimeBy J. K. Pothal, S. Basu, R. Barik, P. K. Senapati, A. Dubey
The aim of this paper is to study the characteristics of limestone particles (size varies from 4 mm to 20 mm) during its transportation from open cast mines through pipes. The influence of four differ
Mar 4, 2025
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Production Planning and Control"Chairman: Professor C. O. Frush Rapporteur: Mr A. C. SchmidtPapers:Planning of underground copper mining by J. K. Williams, L. Smith and M. P. WellsLinear programming models of copper leach and solve
Jan 1, 2014
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Simulation Of Time-Dependent Crush Pillar Behaviour In Tabular Platinum Mines ? Synopsis (fef0d8a5-d041-43b0-aba5-bfefc05be9f2)By J. A. L. Napier
It has been established that significant time-dependent stope convergence may occur over time periods of hours and days in certain hard-rock gold and platinum mines. The source of this time-dependent
Jan 1, 2012
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Scale-up of HPGR in size reduction of iron ore pellet feed, T.M. Campos, G. Bueno, and L.M. TavaresBy G. Bueno, L. M. Tavares, T. M. Campos
Iron ore pellet feed pressing has been one of the first and most successful applications of High- Pressure Grinding Rolls (HPGR) in the minerals industry. Vale S.A. has been one of the pioneers in thi
Jan 1, 2020