臭氧预氧化-BAF工艺深度处理垃圾渗滤液  

Treatment of landfill leachate by ozonation-biological aerated filter process

作　　者：王开演[1] 汪晓军[1] 刘剑玉[1] 

机构地区：[1]华南理工大学环境科学与工程学院,广州510006

出　　处：《环境工程学报》2009年第9期1563-1566,共4页Chinese Journal of Environmental Engineering

基　　金：广东省科技厅科技计划资助项目(2005B31101001)

摘　　要：以广东省江门市垃圾填埋场垃圾渗滤液为研究对象,对经SBR生化处理和聚合硫酸铁混凝后的垃圾渗滤液,采用臭氧-BAF(曝气生物滤池)工艺进行深度处理。该工艺优点在于:臭氧高级氧化技术使大分子有机污染物降解成二氧化碳和水,或者小分子有机污染物,有利于后继BAF的生化处理,且臭氧处理过后废水的色度明显降低,是废水处理的有效方法之一。而后采用曝气生物滤池对垃圾渗滤液进行进一步处理,对COD进一步去除。结果表明,当臭氧的加入量为150mg/L,BAF停留时间>4 h,出水COD低于85 mg/L,稳定达到国家GB 16889-1997《生活垃圾填埋污染控制标准》一级排放标准,臭氧氧化法处理每吨垃圾渗滤液的费用为4.8元。The combining process of ozonation and biological aerated filter（BAF） was used in the advanced treatment of landfill leachate after common treatment. The biodegradability of the organic pollutants of landfill leachate was improved after ozonation. Color of the wastewater reduced markedly after the ozonation. Ozonation was really a favorable means for wastewater treatment. Then biological aerated filter was adopted as the further treatment, COD of the effluent could be lower than 100 mg/L, which met the national first-grade standard of effluent. The cost of ozonation-BAF in the advanced treatment of landfill leachate was 4.8 yuan/t.

关 键 词：垃圾渗滤液 臭氧氧化 曝气生物滤池 深度处理 

分 类 号：X703.1[环境科学与工程—环境工程]