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A critical review on porous substrates of TFC polyamide membranes: Mechanisms, membrane performances, and future perspectives

Peng, Lu Elfa, Yang, Zhe, Long, Li, Zhou, Shenghua, Guo, Hao, Tang, Chuyang Y.·2022·Journal of Membrane Science

Abstract

Abstract Reverse osmosis and nanofiltration membranes commonly adopt a thin film composite (TFC) structure featuring a polyamide rejection layer formed on a porous substrate. Recent studies have shown compelling evidence that the separation performance of TFC membranes is critically influenced by their substrates. Substrates not only affect the formation of polyamide rejection layers but also regulate the transport pathways of water and solutes through the membranes. This review provides a comprehensive summary of the effects of substrate pore structure and chemistry on the water permeance, selectivity, and fouling performance of the resulting TFC membranes. Membrane transport models and formation theories are critically assessed to evaluate the key mechanisms leading to improved membrane performance. In addition, membranes formed on substrates are compared to those formed at free interfaces to provide deeper insights into these mechanisms. The potential use of composite/reactive/gutter layer-coated substrates towards better membrane performance is also highlighted. The comprehensive and mechanistic insights gained in the critical review provide a solid basis to guide the future development and optimization of TFC polyamide membranes.

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Metadata

Authors
Peng, L. E., Yang, Z., Long, L., Zhou, S., Guo, H., & Tang, C. Y.
Venue
Journal of Membrane Science
Publisher
Elsevier BV
Published
2022-01
Volume
641
Pages
119871
ISSN
0376-7388 (ISSN-L)
OpenAlex
W3199202430
Cited by
388
References
2
FWCI
17.03
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A critical review on porous substrates of TFC polyamide membranes: Mechanisms, membrane performances, and future perspectives. https://app.cochat.ai/papers/10.1016/j.memsci.2021.119871
The paper
Peng, L. E., Yang, Z., Long, L., Zhou, S., Guo, H., & Tang, C. Y. (2022). A critical review on porous substrates of TFC polyamide membranes: Mechanisms, membrane performances, and future perspectives. Journal of Membrane Science. https://doi.org/10.1016/j.memsci.2021.119871

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