In optimum parameter, the extracting resultant i.e. leaching ratio as follows: Au 98% or so, Ag above 90%, Pt 85%, Pd 85%, respectively, which gained extensive economic and social benefit.

• 在最佳条件下,分银渣综合提取各金属回收率:银90%25以上、金98%25左右、铂、钯85%25以上,可以获得较好的经济效益和社会效益。