Control of Copper Electrolyte Impurities – overview of the short bed ion exchange technique and Phelps Dodge EL paso

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Courtesy of Eco-Tec Inc.

Abstract; This paper discusses the short bed ion exchange technique for the removal of metal contaminants from copper electrolyte bleed streams. Processes for the selective removal of sulfuric acid, arsenic, antimony, bismuth, and iron will be discussed. A case study outlining the performance history of a short bed system for sulfuric acid removal followed by a two stage selective precipitation system producing a nickel carbonate by-product at the Phelps Dodge Mining Company El Paso operation will be presented.

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