A ZIF-71 Hollow Fiber Membrane Fabricated by Contra-Diffusion

Kang Huang; Qianqian Li; Gongping Liu; Jie Shen; Kecheng Guan; Wanqin Jin

doi:10.1021/acsami.5b04991

A ZIF-71 Hollow Fiber Membrane Fabricated by Contra-Diffusion

Kang Huang, Qianqian Li, Gongping Liu, Jie Shen, Kecheng Guan, Wanqin Jin

College of Chemical Engineering

Nanjing Tech University

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

84 Scopus citations

Abstract

As a subclass of metal-organic framework materials, zeolitic imidazolate frameworks (ZIFs) have exhibited great potential for numerous applications because of their special three-dimensional structure. Up to now, utilizing ZIF membranes for liquid separations is still limited because it is very difficult to select suitable materials and to fabricate integrated membranes. In this work, a modified contra-diffusion method was carried out to prepare ZIF-71 hollow fiber membranes. The metals Zn²⁺ and the organic links imidazole would meet and react on the interface of ceramic hollow fiber through diffusion. The as-prepared ZIF-71 membrane exhibits good performance in separation of ethanol-water mixtures.

Original language	English
Pages (from-to)	16157-16160
Number of pages	4
Journal	ACS Applied Materials and Interfaces
Volume	7
Issue number	30
DOIs	https://doi.org/10.1021/acsami.5b04991
State	Published - 5 Aug 2015

Keywords

ZIF-71
contra-diffusion
hollow fiber
membrane
separation

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10.1021/acsami.5b04991

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abstract = "As a subclass of metal-organic framework materials, zeolitic imidazolate frameworks (ZIFs) have exhibited great potential for numerous applications because of their special three-dimensional structure. Up to now, utilizing ZIF membranes for liquid separations is still limited because it is very difficult to select suitable materials and to fabricate integrated membranes. In this work, a modified contra-diffusion method was carried out to prepare ZIF-71 hollow fiber membranes. The metals Zn2+ and the organic links imidazole would meet and react on the interface of ceramic hollow fiber through diffusion. The as-prepared ZIF-71 membrane exhibits good performance in separation of ethanol-water mixtures.",

keywords = "ZIF-71, contra-diffusion, hollow fiber, membrane, separation",

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AU - Huang, Kang

AU - Li, Qianqian

AU - Liu, Gongping

AU - Shen, Jie

AU - Guan, Kecheng

AU - Jin, Wanqin

PY - 2015/8/5

Y1 - 2015/8/5

N2 - As a subclass of metal-organic framework materials, zeolitic imidazolate frameworks (ZIFs) have exhibited great potential for numerous applications because of their special three-dimensional structure. Up to now, utilizing ZIF membranes for liquid separations is still limited because it is very difficult to select suitable materials and to fabricate integrated membranes. In this work, a modified contra-diffusion method was carried out to prepare ZIF-71 hollow fiber membranes. The metals Zn2+ and the organic links imidazole would meet and react on the interface of ceramic hollow fiber through diffusion. The as-prepared ZIF-71 membrane exhibits good performance in separation of ethanol-water mixtures.

AB - As a subclass of metal-organic framework materials, zeolitic imidazolate frameworks (ZIFs) have exhibited great potential for numerous applications because of their special three-dimensional structure. Up to now, utilizing ZIF membranes for liquid separations is still limited because it is very difficult to select suitable materials and to fabricate integrated membranes. In this work, a modified contra-diffusion method was carried out to prepare ZIF-71 hollow fiber membranes. The metals Zn2+ and the organic links imidazole would meet and react on the interface of ceramic hollow fiber through diffusion. The as-prepared ZIF-71 membrane exhibits good performance in separation of ethanol-water mixtures.

KW - ZIF-71

KW - contra-diffusion

KW - hollow fiber

KW - membrane

KW - separation

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JO - ACS Applied Materials and Interfaces

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A ZIF-71 Hollow Fiber Membrane Fabricated by Contra-Diffusion

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