| Through changing the heat -supply mode of a rotary kiln, enlarging its diameter and enhancing production management, the preprocessed anode slime has been successfully treated by use of the cylinderical rotary kiln in Guixi Smelter of Jiangxi Copper Company. A problem to perplex the production has been solved, Which opens a new way for treatment of the anode slime with low content of copper and high content of selenium, tellurium, silver and gold. |