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Copper, Arsenic, and Zinc Sulfide Precipitation from Acidic Solvent-Extraction Raffinate
By M. Smit, N. C. J. Dempers, S. Lunkov, C. Saguru, J. Nel
A common method for the recovery of copper is by heap leaching, solvent extraction, and electrowinning. During solvent extraction, the solution is continuously recycled, and it is necessary to remove
Jan 1, 2023
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Challenges in comparing gravity separation technologies for gold preconcentration assessment, D. Amariei and G. Bartolacci
By D. Amariei, G. Bartolacci
Preconcentration of precious and base metal ore types is becoming more relevant with the discovery, the development and the operation of many lower grade deposits around the world. Ore preconcentratio
Jan 1, 2020
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Enhancement of mineralogical assessments through mass reconciliation and multi-dimensional visualization for flotation improvement, O. Gravel, G. Mahieu, L. Perez-Barnuevo, and P. Barbeau-Verreault
By G. Mahieu, L. Perez-Barnuevo, P. Barbeau-Verreault, O. Gravel
Raglan mine is a copper-nickel mining operation, part of Glencore, and located at the northern border of the province of Quebec, in Canada. The concentrator is fed by a mix of four different undergrou
Jan 1, 2020
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Investigation of nickel electrowinning parameters on the amount of sulfur and lead impurities, M. Mohammadi, K. Khazen, D.N. Esfahani
By D. N. Esfahani, K. Khazen, M. Mohammadi
Electrowinning is one of the nickel recovery processes from solutions obtained from the leaching of nickel sources. Every year significant amounts of nickel products are used in various industrial pro
Jan 1, 2020
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NIM reports (90294ef8-d383-40dd-b7c9-759cfebdceee)
NIM reports Report No. 1615 Fluorspar pellets. A survey of the world market and an assessment of future South African production. Report No. 1621 Correction for matrix effects in the analysis of solut
Jan 8, 1974
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Gold - The Ultimate Metal
By R. A. Plumbridge
The Honourable Mr Molefe, Premier of the North- West Province; Or Scot-Russel, Chairman of the CMMI's XV Congress; Mr Loton, Chairman of the CMMI; distinguished guests, ladies and gentlemen. At
Jan 1, 1994
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Notices Competition for Student Members of the South African Institute of Mining and Metallurgy
Notices Competition for Student Members of the South African Institute of Mining and Metallurgy Each year the Institute offers a prize (or prizes should the entries warrant it) of up to Rl00 for the b
Jan 10, 1973
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Total System Design For Comminution (af7b0d8d-7392-42c0-8b38-4db0f3d143aa)
Traditionally, the term `total system' design applied to comminution conjures images of a design that addresses the usual business and operational drivers, including health, safety and environmen
Jan 1, 2007
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Ausmelt Technology For Lead And Zinc Processing
By Stephen Hughes
Ausmelt Top Submerged Lancing (TSL) Technology has gained widespread commercial acceptance in the lead and zinc industries, as an efficient and highly flexible pyrometallurgical reactor with accompany
Jan 1, 2008
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Influence Of Surface Effects On The Electrostatic Separation Of Zircon And Rutile
By J. A. Venter, M. K. G. Vermaak, J. G. Bruwer
Electrostatic separation is employed in the concentration of zircon and rutile. The zircon concentrate undergoes an acid treatment to remove impurities from the surface of both the zircon and rutile.
Jan 1, 2007
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From Metal To Money: The Importance Of Reliable Metallurgical Accounting
By D. Seke
Metal inventories are usually reported in financial statements of mining companies. However, the value of these inventories can be reliable only if the metals in stock are measured within acceptable t
Jan 1, 2014
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An Open Pit Design System for Stratiform Orebodies
By M. Weir, J. R. Cutland, L A. J. Pronk van Hoogeveen
"A computer system for the design of open pits to mine stratiform orebodies has been developed for use at Nchanga Consolidated Copper Mines, Ltd. The particular requirements of such a system, for exam
Jan 1, 2014
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A Spatial Mine-to-Plan Compliance Approach to Improve Alignment of Shortand Long-Term Mine Planning at Open Pit Mines
By T. J. Otto, C. Musingwini
"The objective of any mining company is to sustainably maximize the net present value (NPV) throughout the life-of-mine (LOM). The expected NPV over the LOM is calculated based on a mine plan, yet the
Mar 1, 2019
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Investigating the separation of metals with solvent extraction from a citric acid leach produced during lithium-ion battery recycling, T. Punt, G. Akdogan, S.M Bradshaw, and A.P. van Wyk
By G. Akdogan, S. M. Bradshaw, A. P. Van Wyk, T. Punt
Recycling has become an important part of the lithium-ion battery (LIB) life cycle due to the growing demand for energy storage in applications like electric vehicles and renewable energy. Recycling s
Jan 1, 2020
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From computer vision to minerals processing: Using a convolutional neural network for parameter estimation of, first-order Froth Flotation Models E.J.Y., Koh, E. Amini, and G.J. McLachlan
By E. J. Y., G. J. McLachlan, E. Amini, Koha
Inferring individual component flotation rates from recovery-time data of ore complexes is important in optimising and designing minerals processing plants. However, existing two-component first-order
Jan 1, 2020
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Simulation-based exergetic analysis on primary and secondary production for NdFeB magnets: a resource-efficiency evaluation approach, I.B. Fernandes, A. Abadias Llamas, and M.A. Reuter
By I. B. Fernandes, M. A. Reuter, A. Abadias Llamas
Metallurgical simulation and evaluation of the resource efficiency of whole production processes are of key importance for impact assessment, in terms of environment and resources. Exergy is a measure
Jan 1, 2020
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A new paradigm for metal activation in zinc sulfide flotation, J. Jankolovits and T. Bhambhani
By 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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A metaheuristic dual interchange algorithm (DIA) for optimising long-term production scheduling in open-pit mine planning APCOM 2021
By M. M. Ali, C. Musingwini, R. A. Phillips
The long-term open-pit mine production scheduling problem (OPMPSP) is typically solved in two broad stages. The first stage entails optimisation of the ultimate pit limit, which delimits the economica
Sep 1, 2021
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Presidential Address: Truth and Error in Scientific Publishing
By R. T. Jones
"SynopsisScientific progress relies on the publication of ideas and experimental results that can be replicated, tested, and improved over time. The first printed book on metallurgy to have been publi
Jan 1, 2015
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Review of Coal Pillar Lifespan Prediction for the Witbank and Highveld Coal Seams
By van der Merwem J. N.
"Coal pillars are prone to scaling over time, and are progressively reduced in size and consequently subjected to increased load and reduced strength. The effective factor of safety therefore reduces.
Jan 1, 2016