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The Relationship Between Slake Durability And Geomechanical Properties For Upper Rocks Of Beypazari Trona Bed In Ankara, Turkey
Slake durability of rocks is an important property of rock-mass and rock-materials in geotechnical practice. The slake durability of rocks is closely related to their mechanical properties. In this pa
Jan 1, 2003
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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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Fine grinding performance in a vertical stirring mill: steel balls versus nano-ceramic balls, N. Liao, C. Wu, J. Ye, D. Hu, and J. Xu
By D. Hu, J. Xu, N. Liao, C. Wu, J. Ye
The vertical stirring mill’s fine grinding equipment is affected by the operating conditions during the grinding process. The grinding media has a great influence on the energy consumption and particl
Jan 1, 2020
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The Load-Bearing Properties Of Fill Materials (Uncemented Fills)
By D. J. Briggs
The use of backfill for regional and local support is receiving increasing attention in the South African mining industry. To ensure that fill materials meet the purposes for which they are intended,
Jan 1, 1988
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Iron precipitation in biohydrometallurgical operations: An overview of heap bioleaching of sulphide minerals, B. Oladipo, E. Govender-Opitz, and T.V. Ojumua
By B. Oladipo, E. Govender-Opitz, T. V. Ojumu
Bioleaching, one of the several important processes of biohydrometallurgy is an accepted technique for the extraction of desired metals from sulphide ores. Although the mechanism is well understood, t
Jan 1, 2020
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An Investigation of the Behaviour of Double Oxide Film Defects in Aluminium-Magnesium Cast Alloys
By M. A. El-Sayed
"Double oxide films (bifilms) are significant defects in light alloy castings that occur when, during melt handling, the oxidized surface of the melt is folded over onto itself and then entrained into
Nov 1, 2018
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AIME award for Professor Salamon
Professor Miklos Salamon, Research Adviser to the Chamber of Mines of South Africa, has won the Rock Mechanics Award for 1983 of the American Institute of Mining, Metallurgical and Petroleum Engineers
Jan 1, 1984
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Prediction and measurement of blast induced rock fragmentation − A case study of Kajiado County quarries, Kenya
By I. O. Ondicho, E. K. Mutinda, B. O. Alunda, E. Agyekum
Driven by the necessity to improve blast performance regarding fragment size distribution in limestone mines, this paper introduces the prediction and measurement of blast fragmentation distribution t
Mar 5, 2025
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Iron Precipitation From Zinc-Rich Solutions: Optimising The Zincor Process
The inherent weakness of the Zincor and similar iron removal processes is the relatively high undissolved zinc loss associated with the iron residue. High soluble zinc losses also occur due to poor fi
Jan 1, 2003
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Influences of Pre-treatment Steps and Contaminants in a Pyrometallurgical Recycling Process for NCA (LiNi0.8Co0.15Al0.05O2) Lithium-Ion Battery Material
By C. Gatschlhofer, A. Krammer, H. Raupenstrauch, T. Hochsteiner, A. Holzer, L. Wiszniewski
The rising demand for lithium-ion batteries, coupled with international climate targets, emphasises the need for circular economy and zero-waste recycling approaches. However, so far, no industrial-sc
Jan 1, 2023
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Development of a physical separation pre-concentration process for the extraction of Rare Earth bearing ore
By A. Singh, K. Bisaka, G. Marape, T. Mokgomola
This paper investigated the pre-concentration amenability of sovite (carbonatite) ore to enhance the grade of rare earth elements (REE) bearing minerals by rejecting calcite, and to improve total rare
Nov 6, 2024
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The 4TH Wave: Culture-Based Behavioural Safety
By L. Bloch
Most mine safety initiatives in South Africa are doomed to limited success because of one simple fact: they are a-historical and un-cultural and do not deal with the serious ?legacy issues? that still
Jan 1, 2012
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Evaluation of pre-treatment methods for gold recovery from refractory calcine tailings
By G. Akdogan, P. Mutimutema, M. Tadie
The South African gold mining industry has a legacy of abundant tailings dams, which have attracted the attention of investors because of their potential as a cheaper secondary gold resource. In this
Oct 1, 2022
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Developing a new collector for increasing ion flotation efficiency, F.S. Hoseinian, B. Rezai, E. Kowsari, and M. Safari
By F. S. Hoseinian, B. Rezai, E. Kowsari, M. Safari
In order to remove heavy metal ions from a large volume of wastewater with a low ion concentration, ion flotation appears to be promisingly effective. In the ion flotation process, because of the high
Jan 1, 2020
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Comparing the recovery of rare earth elements from ion-adsorption clay leach solutions using various precipitants
By J. Petersen, A. E. Lewis, J. Chivavava
Rare earth elements (REEs) have special properties that prompted their extensive use in high-tech applications. The demand for REE has, therefore, increased over the past years, resulting in the suppl
Dec 11, 2024
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A study of different grinding aids for lowenergy cement clinker production
By K. E. H. K. Ishak, S. R. M. Zan
Cement production requires significant energy, and entails high costs and CO2 emissions. This is because the clinker requires very fine grinding. Grinding aids can improve production and fineness and
Sep 6, 2023
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Reducing mining tailings and operational dilution: a new application of the room-and-pillar mining method
By G. de Tomi, G. C. Teodoro, E. Rodovalho, T. M. El Hajj, J. A. S. Tenório
The selection of an underground mining method stems from a multivariate analysis that considers geomechanical, geological, economic, and operational parameters. Even after identifying the most compati
Sep 9, 2024
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To install automation equipment in an underground mine
By I. Wigden
This paper discusses system integration and installation of High-Tec systems in underground mines. ABB has the capability to be a System Integrator and co-operates with partners in different areas
Sep 1, 2001
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Quality of PGE Fire Assays Using Spark Analysis on Lead Buttons
By P. K. Hofmeyr
Traditional fire assay dates back over 3000 years and has changed very little over that time. The only improvement is to replace the gravimetric finish with dissolution of the Precious Metal bead foll
Jan 1, 2014
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Dynamic modelling of a ball mill circuit for controller design, J.D. le Roux and C. Steyn.
By C. Steyn, J. D. le Roux
A dynamic model is used to represent the single-stage closed grinding mill circuit at Mogalakwena North Concentrator. The circuit consists of a ball mill closed by a hydrocyclone. The circuit is model
Jan 1, 2020