A Highly Permeable Aligned Montmorillonite Mixed‐Matrix Membrane for CO 2  Separation | Zendy

Qiao Zhihua | Zendy; Zhao Song | Zendy; Wang Jixiao | Zendy; Wang Shichang | Zendy; Wang Zhi | Zendy; Guiver Michael D. | Zendy

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A Highly Permeable Aligned Montmorillonite Mixed‐Matrix Membrane for CO 2 Separation

Author(s) -

Qiao Zhihua,

Zhao Song,

Wang Jixiao,

Wang Shichang,

Wang Zhi,

Guiver Michael D.

Publication year - 2016

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201603211

Subject(s) - polysulfone , montmorillonite , permeance , membrane , materials science , chemical engineering , gas separation , selectivity , matrix (chemical analysis) , substrate (aquarium) , porosity , permeation , composite material , chemistry , polymer , organic chemistry , geology , catalysis , oceanography , biochemistry , engineering

Highly permeable montmorillonite layers bonded and aligned with the chain stretching orientation of polyvinylamineacid are immobilized onto a porous polysulfone substrate to fabricate aligned montmorillonite/polysulfone mixed‐matrix membranes for CO 2 separation. High‐speed gas‐transport channels are formed by the aligned interlayer gaps of the modified montmorillonite, through which CO 2 transport primarily occurs. High CO 2 permeance of about 800 GPU is achieved combined with a high mixed‐gas selectivity for CO 2 that is stable over a period of 600 h and independent of the water content in the feed.

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