絮凝-Fenton氧化-电催化氧化法处理垃圾渗滤液膜浓缩液工艺研究  

Study on the technology of flocculation-Fenton oxidation-electro-catalytic oxidation of landfill leachate membrane concentrate

作　　者：郭涛[1,2] 张媛媛 Guo Tao;Zhang Yuanyuan(Tianjin University,Tianjin 300072,China;Tianjin Esun Environmental Protection Technology Co.,Ltd.,Tianjin 300000,China;Tianjin Eman Environmental Technology Co.,Ltd.,Tianjin 300000,China)

机构地区：[1]天津大学,天津300072 [2]天津壹生环保科技有限公司,天津300000 [3]天津壹鸣环境科技股份有限公司,天津300000

出　　处：《环境与发展》2020年第12期83-84,86,共3页Environment & Development

摘　　要：采用絮凝-Fenton氧化-电催化氧化法相结合,处理垃圾渗滤液膜浓缩液,确定了不同工段的最佳运行参数,并确定了最优方案。实验结果表明:絮凝-Fenton氧化技术-电催化氧化技术对垃圾渗滤液膜浓缩液有较好的处理效果,絮凝阶段选用15g/L聚硅酸铝铁,Fenton氧化阶段加入双氧水2mL/L、硫酸亚铁1g/L、pH=4.0、反应时间2h,电催化采用电流强度80A、处理4h后COD去除率达到81.6%,氨氮去除率达到99.7%。The process of flocculation-Fenton oxidation-electro-catalytic oxidation was used to treat the concentrated solution of landfill leachate,the optimal operation parameters of different working sections are determined,and the optimal scheme is determined.The results show that the technology of flocculation-Fenton oxidation-electro-catalysis oxidation has a good effect on the treatment of landfill leachate membrane concentrate,in the flocculation stage,add 15 g/L polysilicate aluminum ferric,in the Fenton Oxidation Stage,add 2 mL/L hydrogen Peroxide,1 g/L iron(2+)sulfate(Anhydrous),pH=4.0 and reaction time 2 h,the electro catalysis was carried out at the current strength of 80 A for 4 hours,the removal rate of COD and ammonia nitrogen reached 81.6%and 99.7%respectively.

关 键 词：絮凝 FENTON氧化 电催化氧化 膜浓缩液 

分 类 号：X703[环境科学与工程—环境工程]