根据某天然橡胶加工企业生产废水的水质特点，采用EGSB-CASS-生物滤池工艺处理天然橡胶加工废水。工程运行结果表明，该工艺对CODCr、氨氮、SS平均去除率分别达到97％，94％，90％，出水水质符合GB8978-1996《污水综合排放标准》一级标准。%The wastewater from a plant of printed circuit board were collected and treated separately according to the wastewater quality. The integrated wastewater was treated by microelectrolysis/plate setter/biological contact oxidation process. The operation results showed that the effluent quality reached the first class of ＂Integrated Wastewater Discharge Standard＂ （GB8978-1996）. This research obtained a feasible approach for PCB wastewater treatment.
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