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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.115  No.1348 (December) (2007)  >  pp.947-954

Journal of the Ceramic Society of Japan
<<Previous article Vol.115  No.1348 (December) (2007)   pp.947 - 954 Next article>>

Precursors-Derived Ceramic Membranes for High-Temperature Separation of Hydrogen

Yuji IWAMOTO1)2)
1) Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology
2) Visiting Senior Chief Researcher at Japan Fine Ceramics Center (JFCC)


  This review describes recent progress in the development of hydrogen-permselective ceramic membranes derived from organometallic precursors. Microstructure and gas transport property of microporous amorphous silica-based membranes are briefly described. Then, high-temperature hydrogen permselectivity, hydrothermal stability as well as hydrogen/steam selectivity of the amorphous silica-based membranes are discussed from a viewpoint of application to membrane reactors for conversion enhancement in the methane steam reforming reaction, which leading to development of a novel highly efficient hydrogen production system. Novel nickel (Ni)-nanoparticles dispersed amorphous silica-based membranes with a unique hydrogen permselectivity, and polymer-derived amorphous Si-(B)-C-N membranes having enhanced thermal and chemical stability are also discussed to develop novel ceramic membranes for high-temperature separation of hydrogen.



Keyword:
Precursor, Amorphous silica, Amorphous Si-C-N, Amorphous Si-B-C-N, Membrane, Hydrogen, Gas separation

Received: October 13, 2007
Published online: December 01, 2007
Copyright (c) 2007 The Ceramic Society of Japan

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