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Characteristic of Palladium Coated Tubular Alumina Composite Membrane for Hydrogen Separation

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Abstract:

The palladium membrane has been developed for high temperature separation of hydrogen from other syngas molecules. In this study, tubular α-alumina substrate was used as a support for increase mechanical strength for thin palladium membrane. Prior depositing of palladium film, a dip-coating of palladium nuclei was performed to cover the substrate. Afterward, surface of activated support was modified with a thin intermediate layer for improving adhesion between support and Pd membrane. Electroless plating of dense palladium membrane was achieved from the plating bath containing EDTA stabilized palladium complex and hydrazine. The microstructural characteristics of palladium membranes were analyzed.

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High-Performance Ceramics VI View Preview

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Periodical:

Key Engineering Materials (Volumes 434-435)

Pages:

510-513

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.434-435.510

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Online since:

March 2010

Authors:

Mettaya Kitiwan, Duangduen Atong

Keywords:

Electroless Plating (EP), Hydrogen Separation, Membrane, Palladium, Tubular Porous Support

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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