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A review of the current in-situ fouling control strategies in MBR: Biological versus physicochemical
Qiang Liu,Jiayao Ren,Yongsheng Lu,Xiaolei Zhang,Felicity A. Roddick,Linhua Fan,Yufei Wang,Huarong Yu,Ping Yao 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.98 No.-
Fouling in membrane bioreactors (MBR) is a bottleneck problem limiting their application. In-situfouling control strategies have been continuously developed for decades, and can be mainlycategorized as biological and physicochemical approaches. However, the mechanisms and performanceof these methods as well as their application prospects have not been thoroughly discussed andcompared in a systematic manner. This study was aimed at providing a detailed review on the variousin-situ biological and physicochemical methods in terms of fouling control performance, foulingreduction mechanisms and practicability. This involves a comparison of the popular biological controlstrategies including quorum quenching (QQ)) and physicochemical approaches such as NaClObackflushing, hybrid electrochemical MBR and anti-biofouling membrane development, with theanalysis of their potential, existing issues and practicality in full-scale applications. Future work is alsorecommended for developing more sustainable and more widely applicable MBR fouling controlstrategies.