|Date||30 October 2018|
|Location||WorleyParsons, Melrose Arch, Johannesburg|
Short Course HYDROMETALLURGICAL PROCESSING OF COBALT 24082018.pdf
An unprecedented increase in demand for cobalt used in energy-storage devices is expected to soon result in large deficits between supply and demand. This will inevitably lead to a global focus on Africa, particularly the African Copper Belt, as this region possesses close to half of the world’s cobalt resources. In the Copper Belt, cobalt is associated with copper production, in contrast to the second-largest global source associated with nickel production. In both cases, cobalt is recovered from solutions following dissolution of the primary metals. Hydrometallurgy technologies are therefore considered for this duty.
These hydrometallurgical technologies are the subject of this one-day short course. The topics include metal dissolution (leaching), upgrading and purification (precipitation, solvent extraction, ion exchange), and metal recovery (crystallization, electrowinning, metal salt production) processes. Each topic will be presented by a world-renowned expert in the field.
Following the overwhelming sucess of this course at the recent Copper Cobalt Africa conference in Zambia, it is being offered again in Johannesburg.
The short course will be accredited for one Continuing Professional Development (CPD) point by the Engineering Council of South Africa (ECSA).
|08:30–09:10||Geology of Copper Belt cobalt deposits and overview of generic flowsheets
John Parker, Managing Director, Process Ideas
|09:10–09:50||Leaching of cobalt from Copper Belt deposits
Nick Dempers, Principal Process Engineer, SENET
|09:50–10:30||Primary impurity removal (Fe, Al, Mn) from leach liquors by precipitation
Christoff Pawlik, Senior Technical Specialist, Mintek
|11:00–11:40||Solvent extraction purification of leach liquors
Peter Cole, Peter Cole Metallurgical Services
|11:40–12:20||Ion exchange purification of leach liquors
Johanna van Deventer, Technical Sales Manager, Purolite (Pty) Ltd
|13:20–14:00||Cobalt recovery by precipitation and selection of precipitation agent
Doug Alexander, Head of Metallurgy, Eurasian Resource Group - Africa
|14:00–14:40||Cobalt recovery by crystallization as cobalt sulphate
Dave Rogans, Director, Process Plant Technology (Pty) Ltd
|15:10–15:50||Cobalt recovery by electrowinning and hydrogen reduction
Kathy Sole, Kathryn C. Sole Consulting
|15:50–16:30||Factors influencing choice of product and flowsheet economics
Sidney Archer, Principal Process Engineer, SENET
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