The ores are pretreated with alkali and then on the condition of lower cyanide gold and silver are leached.Metal sulphide is recovered from cyanide tailing.

• 应用碱预处理氰化法提金,氰化尾渣多金属浮选分离的联合流程取得了较好的技术指标,金银浸出率高可达到多金属综合回收的目的。