A^2O/高压脉冲电絮凝/O3-BAC/膜法处理焦化废水  

A^2O/High Voltage Pulsed Electrocoagulation/O3-BAC/UF/RO Process for Coking Wastewater Treatment Project

作　　者：杨少斌 刘志轩 YANG Shao-bin;LIU Zhi-xuan(School of Energy and Architecture Engineering,Xi’an Aeronautical University,Xi’an 710077,China;China Railway First Survey and Design Institute Group Co.Ltd.,Xi’an 710043,China)

机构地区：[1]西安航空学院能源与建筑学院,陕西西安710077 [2]中铁第一勘察设计院集团有限公司,陕西西安710043

出　　处：《中国给水排水》2020年第6期60-64,共5页China Water & Wastewater

摘　　要：吕梁三泉焦化工业园区污水处理厂率先采用A^2O/高压脉冲电絮凝/高密度澄清池/臭氧-活性炭滤池/超滤/反渗透组合工艺处理焦化废水。该组合工艺设计紧凑,技术先进,处理效果好。在废水处理量为9550 m^3/d,进水COD、氨氮、SS、电导率、浊度、总硬度、Cl-平均浓度分别为574 mg/L、44.2 mg/L、275 mg/L、5600μS/cm、146 NTU、210 mg/L和740 mg/L时,系统出水所有指标均远优于《工业循环冷却水处理设计规范》(GB/T 50050—2007)规定的再生水水质标准,并全部实现达标回用。本工程直接运行费用合计为4.47元/m^3。A combined process composed of A^2O/high voltage pulse electrocoagulation/high density clarification/ozone-activated carbon filter/ultrafiltration/reverse osmosis was adopted in a coking wastewater treatment plant located in Lüliang Sanquan Coking Industrial Park.The combined process had advantages of compact design,advanced craft and perfect treatment effects.During operation of the combined process,the inflow wastewater was 9550 m^3/d.As the water quality parameters of the influent were as follows:COD,574 mg/L;NH^+4-N,44.2 mg/L;SS,275 mg/L;EC,5600μS/cm;turbidity,146 NTU;total hardness,210 mg/L;and Cl^-,740 mg/L.Correspondingly,the effluent of the combined process was better than the standard of reclaimed water quality specified in the Code for Design of Industrial Recirculating Cooling Water Treatment(GB/T 50050-2007).The direct operating cost was 4.47 yuan/m3 in this project.

关 键 词：高压脉冲电絮凝 焦化废水 再生水 

分 类 号：TU992.3[建筑科学—市政工程]