Copper recovery using leach/solvent extraction
copper starter sheets at a current density of about 180 A/m2 with a current efficiency of 80 to 85% The anode was 6% Sb in Pb Design production at Ranchers was 30 000 pounds of copper daily In its first fiscal year of operation July 1968 June 1969 the Bluebird plant produced 9 million pounds of copper 82% of design a remarkable