Membrane Biofouling
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2021 ◽  
pp. 100822
Author(s):  
Dipak A. Jadhav ◽  
Soumya Pandit ◽  
Jayesh M. Sonawane ◽  
Piyush K. Gupta ◽  
Ram Prasad ◽  
...  

Membranes ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 612
Author(s):  
Zhan Gao ◽  
Zhihao Yu ◽  
Xiaoli Zhang ◽  
Shougang Fan ◽  
Huiyu Gao ◽  
...  

The thorny issue of membrane biofouling in membrane bioreactors (MBR) calls for new effective control measures. Herein, D-amino acid (DAA) was employed to mediate MBR membrane biofouling by inhibiting biofilm information and disintegrating formed biofilm. Different DAA control ways involving membrane property, DAA-adding timing, and DAA-control mode were explored through experiments and the multiple linear regression model and the response surface methodology. The optimized DAA control ways were acquired, involving DAA used as an active agent, and the DAA-adding timing of 4 h cultured before running, as well as both hydrophilic and hydrophobic membrane, resulting in an approximately 40.24% decrease in the membrane biofouling rate in comparison with the conventional MBR. DAA is an efficient membrane biofouling mediating approach for MBR under optimized control ways combination and a facile solution for solving membrane biofouling in actual membrane systems.


Desalination ◽  
2021 ◽  
Vol 512 ◽  
pp. 115145
Author(s):  
Peng-Fei Sun ◽  
Yongsun Jang ◽  
So-Young Ham ◽  
HwaSoo Ryoo ◽  
Hee-Deung Park

2021 ◽  
pp. 125242
Author(s):  
Shamas Tabraiz ◽  
Burhan Shamurad ◽  
Evangelos Petropoulos ◽  
Marcos Quintela-Baluja ◽  
Alex Charlton ◽  
...  

Author(s):  
Yin Cui ◽  
Huan Gao ◽  
Ran Yu ◽  
Lei Gao ◽  
Manjun Zhan

Abstract Membrane bioreactor (MBR) technology has been paid extensive attentions for wastewater treatment because of its advantages of high effluent quality and minimized occupation space and sludge production. However, the membrane fouling is always an inevitable problem which causes high operation and maintenance costs and prevents the wide use of MBR technology. The membrane biofouling is the most complicated and the relatively slow progress among all types of fouling. In recent years, many membrane biofouling control methods have been developed. Different from the physical or chemical methods, the biological-based strategies are not only more effective for membrane biofouling control, but also milder and more environment-friendly and are therefore, have been increasingly employed. This paper mainly focused on the mechanism, unique advantages and development of biological-based control strategies for MBR membrane biofouling such as quorum quenching, uncoupling, flocculants and so on. The paper summarized the up-to-date development of membrane biofouling control strategies, emphasized the advantages and promising potential of biological-based ones, and point out the future studies directions.


2021 ◽  
Vol 7 (1) ◽  
pp. 68-77
Author(s):  
Hanieh Bazyar ◽  
Linya Xu ◽  
Hendrik Jan de Vries ◽  
Slawomir Porada ◽  
Rob G. H. Lammertink

The novel liquid-infused membranes have been shown to mitigate membrane biofouling. Here, the long-term stability of these membrane have been tested and analyzed using bacterial growth curve models.


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