高DOM渗滤液厌氧-好氧-混凝处理工艺  

Anaerobic-Aerobic-Coagulation Treatment Process for Leachate with High DOM

作　　者：刘智萍[1] 方芳[1] ABDULHUSSAIN A Abbas 郭劲松[1] 姜佩言[3] 

机构地区：[1]重庆大学三峡库区生态环境教育部重点实验室,重庆400045 [2]巴士拉大学工程学院 [3]重庆大学建筑设计研究院,重庆400045

出　　处：《环境科学研究》2010年第8期1081-1085,共5页Research of Environmental Sciences

基　　金：教育部科学研究重大项目(308020);国家水体污染控制与治理科技重大专项(2009ZX07104-002)

摘　　要：采用厌氧-好氧-混凝工艺,对垃圾焚烧厂高DOM渗滤液进行处理,当进水ρ(CODCr)平均值为10800mg/L时,出水ρ(CODCr)平均值可达208mg/L;同时,着重针对各工艺单元出水DOM不同分子质量分布区间的ρ(CODCr)以及DOM组成成分的变化进行了研究.结果表明:该处理工艺对DOM分子质量<50ku的有机物去除率均可达到94.7%以上,而对分子质量<2ku的有机物的去除率可达99.0%;对渗滤液DOM组成成分〔腐殖酸(HA)、富里酸(FA)和亲水性有机质(HyI)〕的去除率均达到90.0%以上,表明该组合工艺用于处理垃圾焚烧厂渗滤液是可行的.In this study,incineration leachate with high dissolved organic matter （DOM） was treated by combined process anaerobic-aerobic-coagulation. The leachate average effluent ρ（CODCr） of the combined process was 208 mg /L when the average influent ρ（CODCr） was 10,800 mg /L. The changes of ρ（CODCr） corresponding to different molecular weight （MW） distributions of DOM and the DOM fractions in each process unit were also investigated. The results showed that the CODCr removal efficiency was larger than 94. 7% when the DOM MW was less than 50 ku,and the removal efficiency could reach 99. 0% when the MW was less than 2 ku. The removal efficiencies of DOM fractions,humic acid （ HA）,fulvic acid （ FA） and hydrophilic （ HyI） exceeded 90. 0% using the same combined process. It demonstrated that the combined process was feasible for the treatment of incineration leachate.

关 键 词：垃圾焚烧厂 渗滤液 组合工艺 溶解性有机物(DOM) 分子质量分布 DOM组分 

分 类 号：X703[环境科学与工程—环境工程]