VERFAHREN ZUR BEHANDLUNG ODER ENTFERNUNG VON VERUNREINIGUNGEN IN EINEM HYDROMETALLURGISCHEN EXTRAKTIONSVERFAHREN

摘要

A Process for the treatment or removal of impurities, such as arsenic, antimony or bismuth, generated as by-products during smelting and refining of copper concentrates, comprises subjecting the by-products to pressure oxidation along with a copper concentrate in a hydrometallurgical copper extraction process or the treatment of impurities when present in a concentrate by subjecting the concentrate to a hydrometallurgical extraction process.