K Hou
Preparation of thin and highly stable Pd/Ag composite membranes and simulative analysis of transfer resistance for hydrogen separation
Hou, K; Hughes, R
Authors
R Hughes
Abstract
Composite Pd/Ag membranes supported on an alpha-alumina substrate have been prepared by sequential electroless plating and the morphology of the membranes has been examined by SEM and XRD analysis. SEM pictures revealed that the Pd/Ag film was of columnar form perpendicular to the substrate. Homogeneous alloy films of Pd/Ag were obtained by annealing the separate Pd and Ag deposited layers at temperatures higher than 600oC in a hydrogen atmosphere.Hydrogen fluxes of up to 0.35mol/(m2s) and hydrogen/nitrogen selectivities of 4500 were obtained and a long-term temperature cycling test showed no deterioration in membrane performance. A simulative analysis was carried out to investigate the effect of boundary layer and the distribution of hydrogen transfer resistance between the boundary layer, the Pd/Ag film and the substrate.
Citation
Hou, K., & Hughes, R. (2003). Preparation of thin and highly stable Pd/Ag composite membranes and simulative analysis of transfer resistance for hydrogen separation. Journal of Membrane Science, 214(1), 43-55. https://doi.org/10.1016/S0376-7388%2802%2900525-2
Journal Article Type | Article |
---|---|
Publication Date | Apr 1, 2003 |
Deposit Date | Sep 3, 2007 |
Journal | Journal of Membrane Science |
Print ISSN | 0376-7388 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 214 |
Issue | 1 |
Pages | 43-55 |
DOI | https://doi.org/10.1016/S0376-7388%2802%2900525-2 |
Publisher URL | http://dx.doi.org/10.1016/S0376-7388(02)00525-2 |
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