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    Enabling fluorinated MOF-based membranes for simultaneous removal of H2S and CO2 from natural gas

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    Type
    Article
    Authors
    Liu, Gongping
    Cadiau, Amandine cc
    Liu, Yang
    Adil, Karim cc
    Chernikova, Valeriya cc
    Carja, Ionela-Daniela
    Belmabkhout, Youssef cc
    Karunakaran, Madhavan
    Shekhah, Osama cc
    Zhang, Chen
    Itta, Arun
    Yi, Shouliang
    Eddaoudi, Mohamed cc
    Koros, William
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Chemical Science Program
    Functional Materials Design, Discovery and Development (FMD3)
    KAUST Catalysis Center (KCC)
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    URF/1/2222-01
    Date
    2018-10-11
    Online Publication Date
    2018-10-11
    Print Publication Date
    2018-11-05
    Permanent link to this record
    http://hdl.handle.net/10754/628797
    
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    Abstract
    Membrane-based gas separations are energy efficient processes; however, major challenges remain to develop high-performance membranes enabling replacement of conventional separation processes. Here, a new fluorinated MOF-based mixed-matrix membrane is reported, which is formed by incorporating the MOF crystals into selected polymers via a facile mixed-matrix approach. By finely controlling the molecular transport in the channels through MOF apertures and at the MOF-polymer interfaces, the resulting fluorinated MOF-based membranes exhibit excellent molecular sieving properties. We show that these materials significantly outperform state-of-the-art membranes for simultaneous removal of H2S and CO2 from natural gas—a challenging and economically-important application. The robust fluorinated MOFs, with tunable channel apertures provided by tuning the metal pillars and/or organic linker, pave a new avenue to efficient membrane separation processes that require precise discrimination of closely sized molecules.
    Citation
    Liu G, Cadiau A, Liu Y, Adil K, Chernikova V, et al. (2018) Enabling fluorinated MOF-based membranes for simultaneous removal of H2S and CO2 from natural gas. Angewandte Chemie International Edition. Available: http://dx.doi.org/10.1002/anie.201808991.
    Sponsors
    The work was supported by KAUST CRG Research Grant URF/1/2222-01; A.C., I.-D.C., K.A., Y.B., M.K., O.S. and M.E. acknowledge the support from King Abdullah University of Science and Technology; G.L. acknowledges the support from National Natural Science Foundation of China (Grant Nos.: 21776125, 21490585).
    Publisher
    Wiley
    Journal
    Angewandte Chemie International Edition
    DOI
    10.1002/anie.201808991
    10.1002/ange.201808991
    Additional Links
    https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.201808991
    ae974a485f413a2113503eed53cd6c53
    10.1002/anie.201808991
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Functional Materials Design, Discovery and Development (FMD3); Chemical Science Program; KAUST Catalysis Center (KCC)

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