Membrane Distillation for Wastewater Treatment: A Mini Review

Water serves as an indispensable part of human life and production. On account of the overexploitation of traditional water sources, the demand for wastewater recycling is expanding rapidly. As a promising water treatment process, membrane distillation (MD) has been utilized in various wastewater tr...

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Bibliographic Details
Published in:Water (Basel) 2021-12, Vol.13 (24), p.3480
Main Authors: Yan, Zhongsen, Jiang, Yuling, Liu, Lingshan, Li, Zhongsheng, Chen, Xiaolei, Xia, Mingqian, Fan, Gongduan, Ding, An
Format: Article
Language:English
Subjects:
Alternative energy
Desalination
Distillation
Distilled water
Energy consumption
Environmental impact
Membrane processes
Membrane separation
Membranes
Nutrient utilization
Obstructions
Overexploitation
Pore size
Radioactive wastewaters
Salinity
Surface properties
Textile industry wastewaters
Wastewater treatment
Water treatment
Wetting
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Summary:Water serves as an indispensable part of human life and production. On account of the overexploitation of traditional water sources, the demand for wastewater recycling is expanding rapidly. As a promising water treatment process, membrane distillation (MD) has been utilized in various wastewater treatments, such as desalination brine, textile wastewater, radioactive wastewater, and oily wastewater. This review summarized the investigation work applying MD in wastewater treatment, and the performance was comprehensively introduced. Moreover, the obstructions of industrialization, such as membrane fouling, membrane wetting, and high energy consumption, were discussed with the practical investigation. To cope with these problems, various strategies have been adopted to enhance MD performance, including coupling membrane processes and developing membranes with specific surface characteristics. In addition, the significance of nutrient recovery and waste heat utilization was indicated.
ISSN:2073-4441
2073-4441
DOI:10.3390/w13243480