曝气微电解—絮凝沉淀法处理高浓度化工废水  

The treatment of the highly concentrated chemical wastewater by the aerated micro-electrolysis and flocculation-deposition process

作　　者：段宁[1] 刘文海[2] 李秀金[2] 

机构地区：[1]中国环境科学研究院,北京100012 [2]北京化工大学,北京100029

出　　处：《工业水处理》2007年第7期17-19,共3页Industrial Water Treatment

摘　　要：对两步曝气微电解—絮凝沉淀工艺处理高浓度化工废水进行了中试研究,结果pH由偏酸、偏碱性调整至中性,矿化度降低44%;两步微电解COD去除率为45%,絮凝沉淀COD去除率49%,COD总去除率达72%;废水可生化性由0.18提高到0.38,为后续生化处理工艺奠定了良好基础。Pilot research has been carried out on the highly concentrated chemical wastewater by the two-step aerated micro-electrolysis and flocculation-deposition process. The results show that the pH has been adjusted from acidic or alkaline to neutral,the mineralization reduced 44%. The removal rate of the COD of two-step microelectrolysis process and flocculation-deposition process are 45% ,49% ,respectively. The total removal rate of the COD is 72% ,and the biodegradability is improved from 0,18 to 0.38. Such results has established an appropriate foundation for the subsequent bio-process.

关 键 词：微电解 絮凝沉淀 废水处理 

分 类 号：X703.1[环境科学与工程—环境工程]