A Drying-Free, Water-Based Process for Fabricating Mixed-Matrix Membranes with Outstanding Pervaporation Performance

Yu Heng Deng; Jung Tsai Chen; Chia Hao Chang; Kuo Sung Liao; Kuo Lun Tung; William E. Price; Yusuke Yamauchi; Kevin C.W. Wu

doi:10.1002/anie.201607014

A Drying-Free, Water-Based Process for Fabricating Mixed-Matrix Membranes with Outstanding Pervaporation Performance

Yu Heng Deng, Jung Tsai Chen, Chia Hao Chang, Kuo Sung Liao, Kuo Lun Tung, William E. Price, Yusuke Yamauchi, Kevin C.W. Wu

Research output: Contribution to journal › Article › peer-review

111 Citations (Scopus)

Abstract

Despite much progress in the development of mixed matrix membranes (MMMs) for many advanced applications, the synthesis of MMMs without particle agglomeration or phase separation at high nanofiller loadings is still challenging. In this work, we synthesized nanoporous zeolitic imidazole framework (ZIF-8) nanoparticles with a particle size of 60 nm and a pore size of 0.34 nm in water and directly added them into an aqueous solution of the organic polymer poly(vinyl alcohol) (PVA) without an intermediate drying process. This approach led to a high-quality PVA/ZIF-8 MMM with enhanced performance in ethanol dehydration by pervaporation. The permeability of this MMM is three times higher than that of pristine PVA, and the separation factor is nearly nine times larger than that of pristine PVA. The significantly improved separation performance was attributed to the increase in the fractional free volume in the membranes.

Original language	English
Pages (from-to)	12793-12796
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	55
Issue number	41
DOIs	https://doi.org/10.1002/anie.201607014
Publication status	Published - Jan 1 2016
Externally published	Yes

Keywords

ethanol dehydration
mixed-matrix membranes
pervaporation
polymers
zeolites

ASJC Scopus subject areas

Catalysis
Chemistry(all)

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10.1002/anie.201607014

Cite this

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title = "A Drying-Free, Water-Based Process for Fabricating Mixed-Matrix Membranes with Outstanding Pervaporation Performance",

abstract = "Despite much progress in the development of mixed matrix membranes (MMMs) for many advanced applications, the synthesis of MMMs without particle agglomeration or phase separation at high nanofiller loadings is still challenging. In this work, we synthesized nanoporous zeolitic imidazole framework (ZIF-8) nanoparticles with a particle size of 60 nm and a pore size of 0.34 nm in water and directly added them into an aqueous solution of the organic polymer poly(vinyl alcohol) (PVA) without an intermediate drying process. This approach led to a high-quality PVA/ZIF-8 MMM with enhanced performance in ethanol dehydration by pervaporation. The permeability of this MMM is three times higher than that of pristine PVA, and the separation factor is nearly nine times larger than that of pristine PVA. The significantly improved separation performance was attributed to the increase in the fractional free volume in the membranes.",

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author = "Deng, {Yu Heng} and Chen, {Jung Tsai} and Chang, {Chia Hao} and Liao, {Kuo Sung} and Tung, {Kuo Lun} and Price, {William E.} and Yusuke Yamauchi and Wu, {Kevin C.W.}",

note = "Funding Information: We acknowledge funding from the Ministry of Science and Technology (MOST), Taiwan (104-2628-E-002-008-MY3, 105-2221-E-002-227-MY3, and 105-2218-E-002-003) and National Taiwan University (105R7706). This work was also supported by the Australian Research Council (FT150100479) and the Australian Institute for Innovative Material internal grant. We are extremely grateful to Prof. Tai-Shung Chung (Department of Chemical and Biomolecular Engineering, National University of Singapore) for his invaluable assistance and suggestions. Publisher Copyright: {\textcopyright} 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

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AU - Deng, Yu Heng

AU - Chen, Jung Tsai

AU - Chang, Chia Hao

AU - Liao, Kuo Sung

AU - Tung, Kuo Lun

AU - Price, William E.

AU - Yamauchi, Yusuke

AU - Wu, Kevin C.W.

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PY - 2016/1/1

Y1 - 2016/1/1

N2 - Despite much progress in the development of mixed matrix membranes (MMMs) for many advanced applications, the synthesis of MMMs without particle agglomeration or phase separation at high nanofiller loadings is still challenging. In this work, we synthesized nanoporous zeolitic imidazole framework (ZIF-8) nanoparticles with a particle size of 60 nm and a pore size of 0.34 nm in water and directly added them into an aqueous solution of the organic polymer poly(vinyl alcohol) (PVA) without an intermediate drying process. This approach led to a high-quality PVA/ZIF-8 MMM with enhanced performance in ethanol dehydration by pervaporation. The permeability of this MMM is three times higher than that of pristine PVA, and the separation factor is nearly nine times larger than that of pristine PVA. The significantly improved separation performance was attributed to the increase in the fractional free volume in the membranes.

AB - Despite much progress in the development of mixed matrix membranes (MMMs) for many advanced applications, the synthesis of MMMs without particle agglomeration or phase separation at high nanofiller loadings is still challenging. In this work, we synthesized nanoporous zeolitic imidazole framework (ZIF-8) nanoparticles with a particle size of 60 nm and a pore size of 0.34 nm in water and directly added them into an aqueous solution of the organic polymer poly(vinyl alcohol) (PVA) without an intermediate drying process. This approach led to a high-quality PVA/ZIF-8 MMM with enhanced performance in ethanol dehydration by pervaporation. The permeability of this MMM is three times higher than that of pristine PVA, and the separation factor is nearly nine times larger than that of pristine PVA. The significantly improved separation performance was attributed to the increase in the fractional free volume in the membranes.

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KW - zeolites

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A Drying-Free, Water-Based Process for Fabricating Mixed-Matrix Membranes with Outstanding Pervaporation Performance

Abstract

Keywords

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