NaClO原位清洗对膜生物反应器生物膜污染影响研究进展  

Research Progress in the Influence of the NaClO In-situ Cleaning on Biofouling in Membrane Bioreactor

作　　者：胡婧婷 张春波 周诗宇 李沛 张海丰[2] 刘美君 孙乐阳 Hu Jingting;Zhang Chunbo;Zhou Shiyu;Li Pei;Zhang Haifeng;Liu Meijun;Sun Yueyang(Jilin Province Electric Power Research Institute Company Limited,Changchun,130012;School of Chemistry Engineering,Northeast Electric Power University,Jilin,132012)

机构地区：[1]吉林省电力科学研究院有限公司,长春130012 [2]东北电力大学化工学院,吉林市132012

出　　处：《化学通报》2022年第8期961-965,共5页Chemistry

基　　金：吉林省电力科学研究院有限公司科技项目(KY-GS-21-01-07)资助。

摘　　要：膜生物反应器(MBR)的膜污染问题严重制约了该工艺进一步快速的商业化推广,全面认识NaClO原位氧化清洗对MBR生物膜污染的影响,对于开发新型膜清洗技术及MBR工程优化具有重要意义。本文从微生物胞外关键组分空间分布角度综述了NaClO原位清洗对生物膜污染及生物絮凝的影响,并探讨了生物絮体重构机制及强化生物絮凝的相关措施。最后,本文从减缓膜污染的角度,对该领域未来的研究方向进行了论述。Membrane fouling is a major obstacle that hinders faster commercialization of membrane bioreactor(MBR).A comprehensive study of the effect of NaClO on the biofouling of MBR will benefit us to develop more effective on-line chemical cleaning technologies,which will also improve the application to the actual engineering optimal design.The article summarized studies on the effect of the biofouling and bioflocculation during the in-situ cleaning with NaClO in MBR with respect to the distribution of extracellular substances,and the mechanism of NaClO-triggered activated sludge reconstruction as well as related methods to enhance bioflocculation were also discussed.Lastly,the future trends in the in-situ cleaning of MBR in the coming years were addressed.

关 键 词：膜生物反应器 原位氧化清洗 胞外组分 生物膜污染 生物絮凝 

分 类 号：X703[环境科学与工程—环境工程]