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Prediction of physico-mechanical rock characteristics from electrical resistivity tests
By E. Öğretici, S. Kahraman
The indirect estimation of intact rock properties is particularly useful for preliminary investigations in engineering projects. In this paper we examine the usability of electrical resistivity, a non
Aug 8, 2024
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Development of a beneficiation process in bench scale for chromite tailings, L. Petzold
By L. Petzold
The demand for stainless steel is ever-increasing. As an essential element in stainless steel-making process, so is the demand of chromite concentrate. At the same time, the industry proven technologi
Jan 1, 2020
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Application of MR and ANN in the prediction of the shovel cycle time, thereby improving the performance of the shoveldumper operation – A case study
By S. Dey, C. Bhar, S. K. Mandal
Loading and hauling of ore and waste are the key operations of an opencast coal mine and entail a high operational cost. The productivity of a mine can be increased by reducing the cycle time of loadi
Oct 1, 2022
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Assessment of vibration exposure of mine machinery operators at three different open-pit coal mines
By A. Tekin
In almost all branches of industry, machinery and equipment in operation cause vibration. Some sources of vibration affect only the operator’s hands, fingers, and arms, while others have adverse effec
May 2, 2022
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Process mineralogy: adding the value in the minerals value chain, D. Chetty
By D. Chetty
Process mineralogy forms an integral part of geometallurgy, with ore body characterisation being but one piece of the puzzle in optimising value derived from ore. This value is not only financial, but
Jan 1, 2020
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DEM simulation of particle bed comminution at grain size level M. Klichowicz and H. Lieberwirth
By H. Lieberwirth, M. Klichowicz
The comminution at grain size level for the liberation of valuable minerals usually requires the highest size-specific energy. Therefore, the full understanding of the comminution process at this leve
Jan 1, 2020
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Mine Planning (d3a3d1a4-3eb5-42a0-a100-700eebbf2b48)
"Chairman: Professor J. Elbrond Rapporteur: Miss V. E. MartingPapers.Aids to planning production in coal mines by F. H. Deist and M. P. RobertsCapacity calculations, investment allocation and long-ran
Jan 1, 2014
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Copper Mining in Zambia - History and Future (VOLUME 116)
By J. Sikamo, A. Mwanza, C. Mweemba
"The Zambian copper mining industry as we know it today had its genesis in the 1920s. Consistent private sector-driven investment in the industry over a period of over 50 years in exploration, mine de
Jan 1, 2016
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The use of seawater in copper hydrometallurgical processing in Chile: A review
By V. Quezada, Á. Astudillo, L. Valásquez, M. Garcia
Seawater has become a viable alternative for different uses in copper hydrometallurgy. In this paper we review the main physical and chemical characteristics of seawater and how these influence copper
Jul 5, 2023
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Univ CPT van der Westhuizen - Application of Components of Variance Analyses at ZincorZinc Refinery
By Dave Deglon, Andrévan der Westhuizen
Objectives ?Survey typical Met Accounting streams at the Zincor refinery ?Determine Precision in Metal Conc?s Measurements for Monthly Met Balance ?Determine the Components of Variance in th
Jan 1, 2005
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Triboelectric characteristics and separation of magnesite and quartz
By Z. Zhang, J. Niu, H. Wang, Y. Xu, J. Shi
Tribo-electrostatic separation is a promising method for effectively utiliing low-grade magnesite resources by removing quartz and improving the grade of magnesite. To determine the chargeto- mass rat
Apr 14, 2024
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Studies on fluorination of Fe₃O₄ (magnetite) by NH₄HF₂
By L. Zhang, Y. Zhou, H. Wang, C. Mo
Fluorination of magnetite (Fe₃O₄) by NH₄HF₂ was investigated using simultaneous thermogravimetry and differential thermal analysis (TG-DTA), and observing the morphology and phase changes using scanni
Dec 13, 2022
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KOLLIG op Ingenieursimposium
By Deur T. A. M. Saayman
Die sesde jaarlikse Ingenieursimposium is in September by YSKOR, Vanderbijlpark gehou. Rierdie simposium, wat deur Ingenieurs-in-Opleiding georganiseer word, bied aan die Ingenieurs-in-Opleiding die g
Jan 1, 1986
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Book News
1. New publications International minerals/metals review - 1982. Washington D.C., McGraw-Hill, 1983.720 pp. U.S.$1l7. Mining subsidence engineering, by Helmut Kratzsch. New York, Springer, 1983.580 pp
Jan 1, 1983
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Influence of blasting charge distribution on the energy required for communition of rock
By T. Marin, J. E. Seccatore, M. Cardu
The most energy-intensive process in the mining industry is particle size reduction – comminution. The first phase of this process is blasting to fragment the rock from the initial Boussinesq’s halfsp
Aug 8, 2024
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A Comparison of Indirect Lognormal and Discrete Gaussian Change Of Support Methods for Various Variogram Estimators
By D. Marcotte, R. V. Dutaut
"In mineral resource evaluations, geostatistical methods known as global change of support allow prediction of the theoretical histogram and gradetonnage curves prior to interpolations or simulations
Jan 1, 2018
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Introducing new members of Council. . .
Mr G. Maude was educated at Huish's Grammar School (Taunton) and Leeds University. He graduated in 1961 with a B.Sc. degree in Mining. Mr E.B. Crocker was educated at Florida Park High School, Wi
Jan 1, 1985
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The Development Of Ultra-Fine Grinding At Anglo Platinum
By C. M. Rule, A. K. Anyimadu, L. Knopjes
Ongoing development work on ultra-fine grinding for various applications at the Group?s concentrators has been conducted by Anglo Platinum over the last few years. Current potential applications for
Jan 1, 2006
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Compaction Tests on Coking Coals. Part 1: Laboratory-Scale Compaction with a 4-ton Hydraulic Press
By G. Coetzer
"Prior to operating a non-recovery coke pilot plant, it was critical to ascertain coal cake stability during the loading of a 1 m3 coal cake into the oven. Various compaction parameters were verified
Apr 1, 2019
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Book News
1. Book reviews Geophysical and geochemical techniques for exploration of hydrocarbons and minerals, edited by M. Sittig. (Reviewer: J. Keenan) Separation procedures in inorganic analysis. A practical
Jan 1, 1981