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  • Challenging fabrication of hollow ceramic fiber supported Cu3(BTC)2 membrane for hydrogen separation

    Author(s)
    Zhou, Shuyuan
    Zou, Xiaoqin
    Sun, Fuxing
    Zhang, Feng
    Fan, Songjie
    Zhao, Huijun
    Schiestel, Thomas
    Zhu, Guangshan
    Griffith University Author(s)
    Zhao, Huijun
    Year published
    2012
    Metadata
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    Abstract
    High-performance and continuous Cu 3(BTC) 2 membranes have been successfully fabricated using a secondary growth approach on pre-seeded a-Al 2O 3 hollow ceramic fibers (HCFs) modified with chitosan. Facile synthesis of Cu 3(BTC) 2 nanocrystals can be achieved by a modified solvothermal protocol. A stable and homogeneous Cu 3(BTC) 2 seed precusor obtained with particle size of 300 nm, the size of which is suitable for seeding HCFs without any pore jam of HCFs supports (pore size of 200 nm for HCFs). A new substrate HCFs was introduced as the support of Cu 3(BTC) 2 membranes. Moreover, for the first time, chitosan is used to ...
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    High-performance and continuous Cu 3(BTC) 2 membranes have been successfully fabricated using a secondary growth approach on pre-seeded a-Al 2O 3 hollow ceramic fibers (HCFs) modified with chitosan. Facile synthesis of Cu 3(BTC) 2 nanocrystals can be achieved by a modified solvothermal protocol. A stable and homogeneous Cu 3(BTC) 2 seed precusor obtained with particle size of 300 nm, the size of which is suitable for seeding HCFs without any pore jam of HCFs supports (pore size of 200 nm for HCFs). A new substrate HCFs was introduced as the support of Cu 3(BTC) 2 membranes. Moreover, for the first time, chitosan is used to improve the binding force between seeds and the support owing to its abundance of both amino and hydroxyl groups. As-prepared Cu 3(BTC) 2 membrane is studied for hydrogen separation by binary gas permeation of H 2/N 2, H 2/CO 2 and H 2/CH 4. The synthesized membrane shows high H 2 selectivity with separation factors of 8.66, 13.56 and 6.19 for the gas mixtures of H 2/N 2, H 2/CO 2 and H 2/CH 4 respectively. A preferred permeance for H 2 in the binary gas mixture is obtained in the range of 3.23 נ10 -8 to 4.1 נ10 -8 mol m -2 s -1 Pa -1 due to the unique properties of the Cu 3(BTC) 2 MOF material, which is expected in the potential applications of industrial hydrogen recycling. 頲012 The Royal Society of Chemistry.
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    Journal Title
    Journal of Materials Chemistry
    Volume
    22
    Issue
    20
    DOI
    https://doi.org/10.1039/c2jm16371c
    Subject
    Chemical sciences
    Inorganic green chemistry
    Engineering
    Publication URI
    http://hdl.handle.net/10072/49931
    Collection
    • Journal articles

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