Water reuse is to solve water crisis of city, is also an important way to coordinate with the fundamental way of water environment. Sewage treatment, and can not only reduce the reuse of the exploitation of groundwater, and can bring us a certain economic benefits. My company and Shanghai jiaotong university environment design institute, membrane separation technology institute of electroplating wastewater and cooperation, PCB wastewater through the membrane separation water reuse of wastewater treatment, reduce emissions and save the sewage treatment costs, save water consumption, improve product percent of pass made remarkable success.