Transcription of Copper Solvent Extraction: Status, Operating Practices and ...
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Copper Solvent Extraction: Status, Operating Practices and ...
Copper Solvent Extraction: Status, Operating Practices and Challenges in the African Copper Belt Kathryn C. Sole1 and Owen Tinkler2. 1 Consulting Hydrometallurgist, Johannesburg, South Africa 2 Cytec Industries, Phoenix, AZ, United States of America *Corresponding author: Although the first large-scale application of Copper recovery by Solvent extraction (SX). took place in Zambia in the early 1970s, it is only in the last decade that this technology has become widely employed in this part of the world and is now a mainstay unit operation in most Copper hydrometallurgical flowsheets. The mineralogy of the ores in the African Copper Belt, and hence the characteristics of the African leach liquors, differ significantly from those in Chile and the south-western USA, where Copper SX has had a long and successful history. These differences provide operators, metallurgists, reagent vendors and engineers with many challenges: new approaches are needed to adapt this technology for successful implementation in this region.
260 Largely unknown in the history of African metallurgy is that the first aldoxime reagents (the ACORGA P-5000 Series) were developed by ACORGA Ltd, which was a joint venture between Anglo
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