Nanofiltration for drinking water treatment: a review

In recent decades, nanofiltration (NF) is considered as a promising separation technique to produce drinking water from different types of water source. In this paper, we comprehensively reviewed the progress of NF-based drinking water treatment, through summarizing the development of materials/fabr...

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Published inFrontiers of chemical science and engineering Vol. 16; no. 5; pp. 681 - 698
Main Authors Guo, Hao, Li, Xianhui, Yang, Wulin, Yao, Zhikan, Mei, Ying, Peng, Lu Elfa, Yang, Zhe, Shao, Senlin, Tang, Chuyang Y.
Format Journal Article
LanguageEnglish
Published Beijing Higher Education Press 01.05.2022
Springer Nature B.V
Subjects
Brackish water
Chemistry
Chemistry and Materials Science
Chlorine
Drinking water
Groundwater treatment
Industrial Chemistry/Chemical Engineering
Membranes
Nanofiltration
Nanotechnology
Organic matter
Pollutants
Review
Review Article
Selectivity
Separation
Surface water
Water reuse
Water treatment
selectivity
disinfection byproducts
drinking water
nanofiltration
micropollutants
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Summary:In recent decades, nanofiltration (NF) is considered as a promising separation technique to produce drinking water from different types of water source. In this paper, we comprehensively reviewed the progress of NF-based drinking water treatment, through summarizing the development of materials/fabrication and applications of NF membranes in various scenarios including surface water treatment, groundwater treatment, water reuse, brackish water treatment, and point of use applications. We not only summarized the removal of target major pollutants (e.g., hardness, pathogen, and natural organic matter), but also paid attention to the removal of micropollutants of major concern (e.g., disinfection byproducts, per- and polyfluoroalkyl substances, and arsenic). We highlighted that, for different applications, fit-for-purpose design is needed to improve the separation capability for target compounds of NF membranes in addition to their removal of salts. Outlook and perspectives on membrane fouling control, chlorine resistance, integrity, and selectivity are also discussed to provide potential insights for future development of high-efficiency NF membranes for stable and reliable drinking water treatment.
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ISSN:2095-0179
2095-0187
DOI:10.1007/s11705-021-2103-5