PROCESS FOR RECOVERING COPPER FROM BASIC MIXTURES

摘要

1532006 Recovery of copper KENNECOTT COPPER CORP 29 Oct 1975 [4 Nov 1974] 44554/75 Heading C1A Copper values are separated from a basicreacting mixture containing copper and other non- ferrous base metals by partially dissolving the mixture in an amount of an acid in excess of that equivalent to the other non-ferrous metals, and extracting the copper into an organic hydrogen cation exchange extractant selective for Cu at a particular pH, in an amount at least sufficient to extract all the Cu, the excess of acid providing the pH suitable for the extraction of the Cu.