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    Silicon oxynitrides of KCC-1, SBA-15 and MCM-41 for CO 2 capture with excellent stability and regenerability

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    Type
    Article
    Authors
    Patil, Umesh
    Fihri, Aziz
    Emwas, Abdul-Hamid M.
    Polshettiwar, Vivek cc
    KAUST Department
    Advanced Nanofabrication, Imaging and Characterization Core Lab
    Biological and Environmental Sciences and Engineering (BESE) Division
    Imaging and Characterization Core Lab
    KAUST Catalysis Center (KCC)
    Physical Science and Engineering (PSE) Division
    Date
    2012
    Permanent link to this record
    http://hdl.handle.net/10754/561988
    
    Metadata
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    Abstract
    We report the use of silicon oxynitrides as novel adsorbents for CO 2 capture. Three series of functionalized materials based on KCC-1, SBA-15 and MCM-41 with Si-NH 2 groups were prepared using a simple one-step process via thermal ammonolysis using ammonia gas, and they demonstrated excellent CO 2 capture capabilities. These materials overcome several limitations of conventional amine-grafted mesoporous silica. They offer good CO 2 capture capacity, faster adsorption-desorption kinetics, efficient regeneration and reuse, more crucially excellent thermal and mechanical stability even in oxidative environments, and a clean and green synthesis route, which allows the overall CO 2 capture process to be practical and sustainable. This journal is © The Royal Society of Chemistry 2012.
    Citation
    Patil, U., Fihri, A., Emwas, A.-H., & Polshettiwar, V. (2012). Silicon oxynitrides of KCC-1, SBA-15 and MCM-41 for CO2 capture with excellent stability and regenerability. Chemical Science, 3(7), 2224. doi:10.1039/c2sc20356a
    Sponsors
    We thank King Abdullah University of Science and Technology (KAUST) for funding and support. Thanks are also due to Prof. Jean-Marie Basset, Director, KAUST Catalysis Center for his encouragement and Prof. K. Takanabe for technical support. We also thank Dr V. Unkefer for internal reviewing of the manuscript and Olga Zausalina for designing graphical images.
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Chemical Science
    DOI
    10.1039/c2sc20356a
    ae974a485f413a2113503eed53cd6c53
    10.1039/c2sc20356a
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; KAUST Catalysis Center (KCC)

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