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Synergistic effect of mixed fatty acids in flotation of scheelite from calcite, F. Yang and S.S. LongBy F. Yang, S. S. Long
Mixed fatty acids, such as oxidised paraffin soap, are frequently used as a substitute for oleic acid in flotation of scheelite in China. Not only because it is cheaper than oleic acid, but also becau
Jan 1, 2020
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Investigation of apatite reverse flotation process to improve quality of ultrafine hematite concentrate - FST hematite tailing recovery plant, A.H. Baladastian, A. Dehghani Ahmadabadi, R. Hejazi, M. Saghaeian, and V. SheikhzadehBy M. Saghaeian, R. Hejazi, V. Sheikhzadeha, A. H. Baladastian, A. Dehghani Ahmadabadi
This paper describes research done to remove apatite (phosphorus) from hematite ultrafine (70% finer than 25 micron) concentrate, recovered by electromagnetic separators at the FST Tailing Recovery Pl
Jan 1, 2020
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From Graduate Metallurgist to Effective Process Engineer: The Metcelerate ProgrammeBy J. Cilliers, R. Seitz, D. Drinkwater
Mineral processing produces a saleable product from high-cost ore. The Mineral Processing Engineer must constantly improve the separation to create the most value from the ore and reduce the associate
Jan 1, 2023
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Laser Cladding AA2014 With a Al-Cu-Si Compound for Increased Wear ResistanceBy K. J. Kruger
Aluminium alloys have gained popularity in many industries due to their high strength and low weight. One shortcoming of aluminium alloys is their poor resistance to abrasion and erosion wear compared
Jan 1, 2014
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Increasing fine flotation recovery for a complex copper ore, J. Sakala, B. Ngambi, A. Prinsloo, and C. KarageorgosBy C. Karageorgos, J. Sakala, A. Prinsloo, B. Ngambi
The sulphide flotation circuit at First Quantum Minerals’ Kansanshi mine in Zambia produced over 100,000 t of copper in 2019. For this circuit, mineralogical analysis has shown that the majority of th
Jan 1, 2020
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Density: Bulk in-situ or SG?By K. G. Lomberg
The density used to covert volume to tons is critical in determining the real in-situ tonnage of Mineral Resources. However, the methods used to determine density and the use of different technical te
Sep 1, 2021
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Mine Occupational Safety and Health Leading Practice Adoption System (Mosh) Examined – The Promise and Pitfalls of this Employer-Led Initiative to Improve Health and Safety in South African MinesBy M. Hermanus, N. Coulson, N. Pillay
"SynopsisThis paper assesses the effectiveness of the Mine Occupational Health and Safety Leading Practice Adoption System (MOSH) and its potential to improve mine health and safety in South African m
Jan 1, 2015
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Monitoring the Performance of DMS circuits using RhoVol TechnologyBy T. Steyn, M. Fofana
"One of the most important performance indicators of a dense medium cyclone (DMC) circuit is the Tromp curve, and by extension the separation density and Ecart Probable (Ep) values. The densimetric pr
Feb 1, 2019
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Mine-impacted water: From waste to resourceBy A. N. Clay, N. N. Moeketsi, S. Joubert
For many years, mine-impacted water has been regarded as a problem and linked to long-term environmental liabilities. However, this water can be a renewable and a sustainable resource, provided that i
Jan 2, 2022
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Tailings Storage Facility stability monitoring using CPT data analytics on the Zelazny most facility APCOM 2021By P. Stefanek, N. Duda, B. Jachni, P. Stefaniak, B. Bursa
The Zelazny Most Tailings Storage Facility (TSF) is the largest reservoir of post–flotation tailings in Europe. The total amount of tailings from the mines in Lubin, Rudna, and Polkowice are stored ea
Sep 1, 2021
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Anomaly Enhancement in 2D Electrical Resistivity Imaging Method Using a Residual Resistivity TechniqueBy H. Ramazi, A. Amini
"This article is devoted to the introduction of a new technique of electrical resistivity data processing called residual resistivity (RR). We define RR as measured resistivity minus background resist
Jan 1, 2016
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Influence of particle size on selectivity in confined bed comminution, H. Lieberwirth and L. KühnelBy L. Kühnel, H. Lieberwirth
Confined bed comminution in High Pressure Grinding Rollers (HPGR) and Vertical Roller Mills (VRM) is gaining substantial attention in many applications. Previously used mainly for milling coal or cons
Jan 1, 2020
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Improving Solvent-Extraction Performance and Efficiency: A Colloidal Silica Reduction Solution – MMG Case Study UpdateBy L. Tartibu, S. Assuli, P. Nkul, A. Kabimba, W. Elongo, N. Makhotla, D. F. Verwey, F. G. Ndiitwani, J. Bilali, T. Mukongo
The presence of colloidal silica negatively impacts various hydrometallurgy processes. This paper details the nature of colloidal silica, operational issues caused by colloidal silica, as well as vari
Jan 1, 2023
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Improving performance at Rustenburg Base Metals Refiners copper tankhouse: Operational review and embracing fundamentalsBy K. Naidoo, M. Pelser, J. Hagemann, K. C. Sole
The copper tankhouse at Rustenburg Base Metals Refinery is an essential component of the Anglo American Platinum value chain. The tankhouse uses starter-sheet technology that was adopted in the 1980s,
Jun 27, 2025
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Observer analysis of a dynamic tank-to-tank model to estimate concentrate flow-rate, J.D. le Roux, K. Hadler, J.J. Cilliers, and I.K. CraigBy J. J. Cilliers, I. K. Craig, J. D. le Roux, K. Hadler
An analysis of the state-observability characteristics of a dynamic tank-to-tank model of a flotation bank indicates that the concentrate-flow rate of each tank can be estimated from accurate measurem
Jan 1, 2020
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Performance management-the total integration of a company's management systemsBy C. O. Esterhuysen, J. P. Deetlefs, C. A. Wessels
The productivity indices of the Republic of South Africa compare poorly with those of its competitors in the rest of the world. The theory of productivity is relatively simple, and various models are
Jan 1, 1989
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PGM Recovery from a Pregnant Leach Solution Using Solvent Extraction and Cloud Point Extraction: A Preliminary ComparisonBy L. Makua, K. Langa, Ndlovu. S., C. Saguru
"Global demand for the three platinum group metals (PGMs) Pt, Pd, and Rh has been steadily growing due to their widespread use in emission control, industrial catalysis, and numerous other application
May 1, 2019
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A new paradigm for metal activation in zinc sulfide flotation, J. Jankolovits and T. BhambhaniBy T. Bhambhani, J. Jankolovits
Sphalerite flotation using copper sulfate has been performed in the industry for decades and the mechanism of Cu activation is well established. Despite its ubiquity, many practical questions surround
Jan 1, 2020
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Technology and growth in the South African mining industry: An assessment of criticalBy V. W. Lumadi, S. Nyasha
The mining industry has yet to fully accept and embrace the strategic role of technology and innovation in successful business planning and execution. In this study, we empirically determine the facto
Apr 14, 2024
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Technical English - a 'dead' languageBy H. W. Glen
The use of a personal style (mainly active voice and first person) makes technical writing more pleasant to read, and helps the writer to express his meaning clearly and to avoid many of the stylistic
Jan 1, 1979