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Investigation of HPGR grinding effects in iron ore beneficiation circuit compared to conventional crushing system, M. Zare, M.R. Sheikhzadeh, A. Haratian, and V. Sheikhzadeh
By V. Sheikhzadeh, M. R. Sheikhzadeh, A. Haratian, M. Zare
High Pressure Grinding Roll (HPGR) as an efficient grinding technology plays a major role in mineral processing plants. Investigating the effects of this technology on different parts of mineral proce
Jan 1, 2020
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Spotlight On The Vaal Triangle Branch
By Wilson. D.
The Vaal Triangle Branch of The South African Institute of Mining and Metallurgy was established on 20th November, 1986, at a meeting enthusiastically supported by local members. In attendance were sp
Jan 1, 1987
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Parametric Estimation of Capital Costs for Establishing a Coal Mine: South Africa Case Study
By C. Musingwini, M. Mohutsiwa
"SynopsisCapital cost estimates are important in decisions on whether a project will be approved, mothballed, or abandoned. In South Africa, junior coal miners do not have extensive databases of histo
Jan 1, 2015
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Theory of Cold-Blast Iron Production with Stack-Gas of Low Nitrogen Content
By Wm. Bleloch
SYNOPSIS The feasibility of rejection of nitrogen from stack gas by recycling of top-gas with cold-blast 95 to 98 per cent oxygen is assessed. It is concluded that nitrogen could be removed to a leve
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Evaluation of surface tension of mold fluxes containing fluoride
By L. J. Su, J. Y. Zhang, P. W. Gu, J. F. Xu
Surface tension of mold flux is a key factor affecting optimum casting conditions. A thermodynamic model was developed to determine the surface tension of mold flux containing fluoride based on the io
Dec 11, 2024
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Leaching of gold ore using creatine monohydrate
By K. Barani, S. M. S. Ganji
Creatine was used as a lixiviant for gold dissolution from gold ore. The effects of creatine concentration, temperature, leach time, and pH were examined for their influence on extent of gold dissolut
Apr 14, 2024
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Safety aspects of large draglineoperated opencast mines – An overview
By A. Golder, I. Roy
The Jayant opencast operation is one of the largest opencast coal mines in India. Prior to 2008 the mine experienced a number of dragline dump failures, which was a major hindrance in sustaining produ
Jan 2, 2022
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Effect of zinc process water recycling on galena flotation from a complex sulphide ore
By D. He, A. Yaacoubi, A. Baçaoui, K. Boujounoui, A. Abidi, K. El Amari
The effects of utilizing recycled tailings pond water from the flotation plant at the Mining Company of Guemassa (MCG) on galena recovery and selectivity towards chalcopyrite (RPb-Cu) , sphalerite (RP
Nov 30, 2022
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Grinding process modelling and circuit analysis in a copper mine, T. Song, T.H. Yang, J.W. Zhou, and Q.K. Wang
By T. H. Yang, Q. K. Wang, T. Song, J. W. Zhou
The grinding circuit can be one of the most important mineral processing circuits in plants. Along with the application of large-scale milling machines, the design and optimisation of the operation st
Jan 1, 2020
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A General Model for Semi-autogenous and Autogenous Milling
By L. G. Austin
The paper summarizes the current state of development of simulation models for SAG and FAG mills, and gives the results of recent investigations of the physical processes occurring in autogenous grind
Jan 1, 1987
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Optimizing control for a two-stage grinding circuit, O. Haavisto, M. Olofsson, J. Martikainen, S. Kauvosaari, and M. Kosonen
By S. Kauvosaari, M. Olofsson, O. Haavisto, M. Kosonen, J. Martikainen
The target in grinding circuit operation is usually to maximise the throughput and energy efficiency while keeping the product particle size on an optimal level for downstream operations. Furthermore,
Jan 1, 2020
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The effect of antisolvent selection on rare earth sulfate crystallisation, J. Du Plessis, J. Chivavava, and A.E. Lewis
By A. E. Lewis, J. Du Plessis, J. Chivavava
Current metallurgical processes lack selective and efficient REE recovery from aqueous leach liquors. Antisolvent crystallisation is used to selectively recover pure inorganic salts from aqueous solut
Jan 1, 2020
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The effects of iron ore concentrate grinding methods (HPGR and Ball mill) on green pellet properties - a pilot plant case study, S.H. Amiri, M. Izadi Yazdan-Abadi, M. Ramezanizadeh, and M. Bazmandeh
By M. Izadi Yazdan-Abadi, S. H. Amiri, M. Ramezanizadeh, M. Bazmandeh
Iron ore concentrate is used as the fresh feed of pelletising plants. The green pellet properties depend on iron concentrate characteristics such as particle size distribution (PSD), specific surface
Jan 1, 2020
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Milling in Raffinate of Copper Cobalt Ore: Media Study
By N. Hadebe, A. Mampuru, F. Jantjies
Mintek conducted test work to study the effect of media wear when using Mintek’s Milling-in-raffinate technology. The grinding media consisted of high-chrome and ceramic balls. The tests were conducte
Jan 1, 2023
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An Application of Linear Programming to Investment Analysis
By Anders Erlandsson
"The crude ores from the LKAB mines are sorted and refined into a number of products. As there are a number of different plants the flow of material is often complex.in connection with studies of a pr
Jan 1, 2014
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Book reviews
The wage structure of graduate White men in 1979, by Adri Kruger, Pretoria, Human Sciences Research Council, 1979.76 pp. R5,00. (Reviewer: D. G. Malan) Financial Times mining international yearbook, e
Jan 1, 1980
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Design and development of lightweight Fe- Mn alloys for storage and transportation of liquified natural gas (LNG) — Computational materials modelling study
By J. Moema, L. Mampuru, M. Phasha, D. Mkhonto
The global liquified natural gas (LNG) storage market size is projected to reach USD17.5 billion by 2025. Currently, owed to its high toughness, tensile strength, and excellent weldability, the 9% nic
Mar 4, 2025
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Dry beneficiation of iron ore fines using a tribo-electrostatic belt separator, L. Rojas-Mendoza, K.P Flynn, F.J Hrach, and A. Gupta
By L. Rojas Mendoza, F. J. Hrach, A. Gupta, K. P. Flynn
ST Equipment & Technology (STET)’s tribo-electrostatic belt separator technology allows for the beneficiation of fine mineral powders by means of an entirely water-free technology with high throughput
Jan 1, 2020
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Notices (2dc5f65f-ac2f-459a-831d-6c6fb2a47eea)
FOURTH INTERNATIONAL CONFERENCE ON VACUUM METALLURGY This Conference will take place in Tokyo from June 4th-8th 1973. The language used will be English. Inquiries should be addressed to: Mr S. Ta
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Metal Recovery from TiCl4 slurry by Evaporation and Acid Leaching
By X. Xiang, W. Xia, J. Yin
"TiCl4 slurry containing valuable metals is an unavoidable by-product of the titanium ore chlorination process. The recovery of these valuable metals, which include titanium, niobium, tantalum, and al
May 1, 2019