METHOD OF PROCESSING COPPER-CONTAINING STOCK Russian patent published in 1999 - IPC

FIELD: chemical industry, more particularly processing of cuprous materials containing rare and noble metals. SUBSTANCE: anode slurries are processed in combination with highly cuprous slurry containing rare and noble metals at slag to slurry percent ratio of (20-10):(80-90) by sulfuration with concentrated sulfuric acid and are subsequently leached with water. EFFECT: higher degree of recovery of rare and noble metals into insoluble residue, and copper into solution. 1 ex, 1 tbl