Copper Smelting and Recycling at Onahama Smelter and Refinery

Abstract

Copper smelting with green charged reverberatory furnaces has been operated since 1965 at Onahama Smelter and Refinery. Recycling business has been progressed during the last decade as well as many improvements for copper smelting and refining process. Shredder residue derived from automobile scrap and others, has been treated in the reverberatory furnaces at 140,000 t per year recently.