Thin-film composite membrane with interlayer decorated metal-organic framework UiO-66 toward enhanced forward osmosis performance

Yi Wang, Xingya Li, Shuaifei Zhao, Zhendong Fang, Derrick Ng, Chaoxin Xie, Huanting Wang, Zongli Xie

Research output: Contribution to journalArticleResearchpeer-review

Abstract

This study reports a new interlayer decoration method for fabricating thin film composite (TFC) forward osmosis (FO) membranes. Metal-organic framework (UiO-66) particles were dispersed at the aqueous-organic interface before interfacial polymerization. Both the TFC membrane without UiO-66 and the conventionally UiO-66 incorporated membrane prepared by interfacial polymerization were fabricated as the control for comparison. Compared with the two control membranes, the interlayer decoration method prepared TFC membrane under an optimized UiO-66 loading showed improved water permeability, salt rejection, and significantly reduced structural parameters. At a much lower UiO-66 loading, with only 5% of the amount used for the conventional incorporation method, the interlayer decorated TFC membrane exhibited significantly enhanced FO water flux and selectivity compared with the conventionally UiO-66 incorporated membrane. Such promising performance is mainly attributed to the unique interlayer UiO-66 decorated structure, in which water molecules can permeate through the channel apertures of UiO-66 nanoparticles, while other hydrated ions can be effectively rejected. This study demonstrates that interlayer decoration by UiO-66 between the polyamide layer and the porous support layer is a promising and economic way to develop new FO membranes with high permeability and selectivity.

Original languageEnglish
Pages (from-to)195-206
Number of pages12
JournalIndustrial and Engineering Chemistry Research
Volume58
Issue number1
DOIs
Publication statusPublished - 9 Jan 2019

Cite this

Wang, Yi ; Li, Xingya ; Zhao, Shuaifei ; Fang, Zhendong ; Ng, Derrick ; Xie, Chaoxin ; Wang, Huanting ; Xie, Zongli. / Thin-film composite membrane with interlayer decorated metal-organic framework UiO-66 toward enhanced forward osmosis performance. In: Industrial and Engineering Chemistry Research. 2019 ; Vol. 58, No. 1. pp. 195-206.
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abstract = "This study reports a new interlayer decoration method for fabricating thin film composite (TFC) forward osmosis (FO) membranes. Metal-organic framework (UiO-66) particles were dispersed at the aqueous-organic interface before interfacial polymerization. Both the TFC membrane without UiO-66 and the conventionally UiO-66 incorporated membrane prepared by interfacial polymerization were fabricated as the control for comparison. Compared with the two control membranes, the interlayer decoration method prepared TFC membrane under an optimized UiO-66 loading showed improved water permeability, salt rejection, and significantly reduced structural parameters. At a much lower UiO-66 loading, with only 5{\%} of the amount used for the conventional incorporation method, the interlayer decorated TFC membrane exhibited significantly enhanced FO water flux and selectivity compared with the conventionally UiO-66 incorporated membrane. Such promising performance is mainly attributed to the unique interlayer UiO-66 decorated structure, in which water molecules can permeate through the channel apertures of UiO-66 nanoparticles, while other hydrated ions can be effectively rejected. This study demonstrates that interlayer decoration by UiO-66 between the polyamide layer and the porous support layer is a promising and economic way to develop new FO membranes with high permeability and selectivity.",
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Thin-film composite membrane with interlayer decorated metal-organic framework UiO-66 toward enhanced forward osmosis performance. / Wang, Yi; Li, Xingya; Zhao, Shuaifei; Fang, Zhendong; Ng, Derrick; Xie, Chaoxin; Wang, Huanting; Xie, Zongli.

In: Industrial and Engineering Chemistry Research, Vol. 58, No. 1, 09.01.2019, p. 195-206.

Research output: Contribution to journalArticleResearchpeer-review

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