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Published on: February 13, 2016
Biofouling and control approaches in membrane bioreactors
Lijuan Deng1, Wenshan Guo2, Huu Hao Ngo2
1State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin 300387, China; School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China; Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Broadway, NSW 2007, Australia.
This study comprehensively reviews biofilm formation and biofouling in membrane reactors (MBRs). It explores factors influencing biofouling and proposes advanced control strategies for improved MBR operation.
Area of Science:
- Environmental Science
- Biotechnology
- Chemical Engineering
Background:
- Membrane fouling, particularly biofouling, is a significant challenge in membrane reactor (MBR) operations.
- Previous reviews have inadequately covered biofouling in MBRs treating diverse wastewaters.
Purpose of the Study:
- To provide a thorough review of biofilm formation and biofouling in MBRs.
- To elaborate on factors contributing to biofouling and discuss current control methods.
Main Methods:
- Comprehensive literature review focusing on MBR biofouling.
- Analysis of biofilm formation mechanisms and influencing factors.
- Evaluation of existing and novel biofouling control strategies.
Main Results:
- Detailed explanation of biofilm development processes in MBRs.
- Identification of key factors affecting biofouling, including operational and wastewater characteristics.
- Overview of various biofouling control approaches, both conventional and emerging.
Conclusions:
- Effective biofouling management is crucial for sustainable MBR performance.
- Future directions include developing integrated MBR systems, novel flocculants, and advanced biomass carriers for enhanced biofouling control.
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