金属表面处理企业废水深度治理中试研究  

Pilot Study on Advanced Treatment of Wastewater from Metal Surface Treatment Enterprises

作　　者：王璋磊 温志良 梁锐乾 梁国韬 周成才 尹国雄 Wang Zhanglei;Wen Zhiliang;Liang Ruiqian;Liang Guotao;Zhou Chengcai;Yi Guoxiong(Dongguan Ecological environment Technology Center,Dongguan 523000;Dongguan University of Technology,Dongguan 523830;Dongguan Borun Environmental Protection Technology Co.,Ltd.,Dongguan 523000;Dongguan Environmental Protection Industry Association,Dongguan 523000,China)

机构地区：[1]东莞市生态环境技术中心,广东东莞523000 [2]东莞理工学院,广东东莞523830 [3]东莞博润环保科技有限公司,广东东莞523000 [4]东莞市环境保护产业协会,广东东莞523000

出　　处：《广东化工》2022年第6期155-157,共3页Guangdong Chemical Industry

摘　　要：本研究采用“电絮凝+缺氧+好氧/MBR”工艺对金属表面处理企业综合废水进行深度处理,运行结果表明:在管式电絮凝反应器电流为24 A,电流密度约为18 A/m^(2),水力停留时间3 h,缺氧池水力停留时间8 h,好氧/MBR池水力停留时间33 h的前提下,经过深度处理后出水COD_(Cr)≤50 mg/L、NH_(3)-N≤8 mg/L、TN≤15 mg/L,满足广东省《电镀水污染物排放标准》(DB44/1597-2015)珠三角新建项目水污染物排放限值。In this study,the process of“electric flocculation+anoxia+aerobic/MBR”was used for advanced treatment of comprehensive wastewater from metal surface treatment enterprises.The operation results show that:Under the premise that the current of tubular electric flocculation reactor is 24 A,the current density is about 18 A/m^(2),the hydraulic retention time is 3 h,the hydrodynamic retention time of anoxic tank is 8 h,and the hydrodynamic retention time of aerobic/MBR tank is 33 h,the effluent water after deep treatment COD;≤50 mg/L,NH_(3)-N≤8 mg/L,TN≤15 mg/L,To meet the limits of water pollutant discharge of new projects in the Pearl River Delta in Guangdong Province“Electroplating Water Pollutant Discharge Standard”(DB44/1597-2015).

关 键 词：电絮凝 缺氧 好氧 MBR 金属表面处理 

分 类 号：TQ[化学工程]