火电厂循环水排污水回用处理中超滤膜污染过程分析  

Ultrafiltration membrane fouling process analysis for reuse the blowdown water in thermal power plant

作　　者：杨宝红[1] 余耀宏[1] 

机构地区：[1]西安热工研究院有限公司,陕西西安710032

出　　处：《电力科学与技术学报》2007年第4期79-83,共5页Journal of Electric Power Science And Technology

摘　　要：要使火电厂循环水排污水达到回用的目的,一般采用超滤作为前置处理的反渗透除盐法.针对火电厂循环水排污水的特点,文章分析了超滤膜受污染的原因,探讨了超滤膜污染的特点、污染物类型、及影响因素,同时给出了采用化学清洗法消除超滤膜污染的技术要点.In order to reuse the blowdown water from circulating water in thermal power plant, the reverse osmosis system is being used for deionization with ultraiiltration as pretreatment. According to characteristics of the blowdown water, the fouling reasons for ultrafiltration membrane are analyzed, and the fouling characteristics, the fouling types and the affecting factor for uhrafiltration membrane are also discussed.Then the key techniques of chemical clean methods for fouling membrane are presented, they can eliminate the membrane fouling and recover the separation function.

关 键 词：超滤 循环水回用 排污水 膜污染 火电厂 

分 类 号：TM621.8[电气工程—电力系统及自动化] X703.1[环境科学与工程—环境工程]