结合国内外一些选厂的具体生产及试验情况。阐述了几种有别于传统的铜铅混合精矿分离的无氰无铬分离工艺及其工艺的特点和适用条件. Combined with the specific production and testing of some domestic and foreign processing plants. The characteristics and application conditions of several cyanide-free and chromium-free separation processes which are different from the traditional separation of copper-lead mixed concentrates are described.