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Research Progress on Structure Optimization of Composite Nanofiltration Membrane(PDF)

MATERIALS CHINA[ISSN:1674-3962/CN:61-1473/TG]

Issue:
2022年第08期
Page:
661-668
Research Field:
Publishing date:

Info

Title:
Research Progress on Structure Optimization of Composite Nanofiltration Membrane
Author(s):
LI Wenhao12OUYANG Guozi12LI Haike12 LI Lang12HUANG Wanfu12
(1. Ganzhou Innovation Center for Water Quality Security Technology at Ganjiang River Basin, Jiangxi University of Science and Technology, Ganzhou 341000, China) (2. Ganzhou Key Laboratory of Watershed Pollution Simulation and Control, Jiangxi University of Science and Technology, Ganzhou 341000,China)
Keywords:
thin-film composite nanofiltration membrane modification basal membrane intermediate layer separatinglayer
CLC:

PACS:
TQ028.8;TQ051.8+93
DOI:
10.7502/j.issn.1674-3962.202104027
DocumentCode:

Abstract:
With the advantages of low cost and good separation effect, the thin-film composite nanofiltration membranes are widely concerned. Nowadays, the research on composite nanofiltration membrane mainly focuses on the modification and optimization of its performance, such as surface grafting, construction of intermediate layer, blending matrix and so on. However, due to the complex water treatment environment, the effect of composite nanofiltration membrane in practical application is not ideal. Therefore, when preparing composite nanofiltration membrane, not only the membrane flux and rejection rate should be improved, but also the optimization and improvement of its mechanical strength, corrosion resistance and anti-pollution ability should be paid to attention. Hence, this paper summarizes and analyzes the research results of composite nanofiltration membrane by experts and scholars at home and abroad in recent years from three aspects: optimization of basal membrane, construction of intermediate layer and optimization of separation layer, which may provide certain reference for the application of composite nanofiltration membrane in practical engineering.

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Last Update: 2022-07-29