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A company in Ytm Nan is a large-scale state-owned enterprise which produces Lead, Zinc and Germanium, the hydrometallurgical process of extracting Germanium from Lead and Zinc oxide ore will product numerous effluent which contains Zn2+, Pb2+ and Cd2+.The concentration of Zn2+, Pb2+ and Cd2+ reaches to 50.0mg/L, 7.0mg/L and 4.12mg/L separately that exceed 49, 6 and 40.2 times than national integrated wastewater the second grade of discharge standard.