An industrial park in Ganzhou City,20 000 m3/d of printed circuit board Printed Circuit Board(PCB)wastewater treatment capacity expansion and transformation as a case study.Introduce the process flow,design parameters,operation effect and operation cost indicators in the combination process of"grid+sand sedimentation tank+regulating tank+coagulation sedimentation tank+multi-stage Anaerobic Oxic(A/O)+two sedimentation tank+high-density sedimentation tank+ozone contact tank+V-shaped filter+disinfection tank".The results show that the combined process for PCB wastewater treatment,the effluent pollution indicators can be stabilized to meet the"Urban Wastewater Treatment Plant Pollutant Discharge Standard"(GB 18918-2002)in the class A standard,and the cost of treatment is 3.61 yuan/m3.
关键词
印刷电路板(PCB)废水/综合废水/扩容改造/工程实例
Key words
Printed Circuit Board(PCB)wastewater/comprehensive waste water/expansion and renovation/engineering examples