Removal of Antimony and Bismuth from Copper Electrorefining Electrolyte: Part I -- A Review
Antimony and bismuth are two of the most problematic impurities in copper electrorefining. As a result, much research has been done investigating the ways to remove them. Processes that are currently being used industrially include anode additions, liberators, ion exchange (IX), and solvent extraction (SX). Of these, liberators and anode additions are the most common while SX is the least, mostly being used for arsenic removal. Other methods have been evaluated, but they are not in commercial use. These include the use of various electrolyte additives, as well as adsorbents such as bentonite clay and heavy metal sulfates.
A. Artzer et al., "Removal of Antimony and Bismuth from Copper Electrorefining Electrolyte: Part I -- A Review," JOM Journal of the Minerals, Metals and Materials Society, vol. 70, no. 10, pp. 2033-2040, Minerals, Metals and Materials Society (TMS), Oct 2018.
The definitive version is available at https://doi.org/10.1007/s11837-018-3075-x
Materials Science and Engineering
Keywords and Phrases
Anodes; Antimony; Bentonite; Bismuth; Copper; Ion exchange; Pollution control; Solvent extraction; Sulfur compounds, Arsenic removal; Bentonite clay; Copper electrorefining; Electrolyte additives; Impurities in, Electrolytes
International Standard Serial Number (ISSN)
Article - Journal
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01 Oct 2018