COPPER REFINING Part 3

Description

Anode slabs are converted into chemically pure copper. Operations shown include sampling of anodes; placing them in electrolytic tanks; removal of built-up cathodes after 20 days; removal of anode remnants; removal from the tanks and shipment to the gold refinery of slime containing gold, silver, and other impurities; cutting some of cathode into sheets for fabrication; melting of other of cathode sheets; and casting melted cathodes into bars which are inspected and shipped to a fabrication plant.

Collection

Records of the U.S. Bureau of Mines

Series

Public Information Films and Video Recordings