膜科学与技术

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Study on fouling characteristics of RO membrane from reclaimed water reuse system in thermal power plant

Authors： YU Hai-qin1, LIU Zheng-xiu2,LI Jin1,CHU Yan-jie1

Units： 1 Department of Municipal & Environmental Engineering, Beijing Jiaotong University,Beijing,100044;2 Beijing Jingneng Thermal Power CO.,LTD.

KeyWords： reclaimed water reuse; thermal power plant; reverse osmosis；membrane fouling；distribution characteristics

ClassificationCode：TQ991.24

year,volume(issue):pagination： 2012,32(3):75-78

Abstract：

Reusing municipal sewage as boiler make-up water in Thermal Power Plant has become one of the mostly schemes to mitigate the shortage of water all over the world. the Influence of secondary effluent water quality on RO in reclaimed water advanced treatment technology cannot be ignored. Dissecting analysis of the fouled reverse osmosis membrane module from reclaimed water reuse system in thermal power plant was conducted through pressurized dye test, apparent observation, LOI and by using SEM-EDX and GC-MS. The results showed that the foulants deposited on the membrane surface contained large amount of organic substance such as the functional groups based on alkyl and R-COO,and small amount of inorganic materials such as SiO2. The foulant consumption increased from the inlet of the module to the outlet,the variation of the inorganic is the same as this,while that of organic is on the contrary. The results obtained from the tests indicate the pretreatment system, scale and microorganism control are absolutely normal.

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AuthorIntro：

于海琴（1965- ），女，北京人，副教授，硕士生导师，主要从事膜分离技术与应用、水处理和污水回用领域的教学和科研工作,hqyu@bjtu.edu.cn。

Reference：

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