Arsenic Recovery From Copper-Arsenic Sulphides

Status Open

Tags arsenic leach steps scorodite recovery copper-arsenic


Posted by David Dixon on November 28, 2013 in Vancouver, Canada.


Summary


Methods are provided for precipitating arsenic from an acidic sulphate copper leach solution as a stable scorodite precipitate prior to any refining steps. The method utilizes pyrite or chalcopyrite in the leach train as the primary source of ferric ions for the precipitation of scorodite.