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Preparation of a Pd membrane on a WO3 modified Porous Stainless Steel for hydrogen separation

✍ Scribed by Mostafa Zahedi; Boshra Afra; Mostafa Dehghani-Mobarake; Majid Bahmani

Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 814 KB
Volume: 333
Category: Article
ISSN: 0376-7388
DOI: 10.1016/j.memsci.2009.01.053

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✦ Synopsis

A palladium membrane has been prepared by electroless plating on the surface of a Porous Stainless Steel disk. The disk surface was modified with WO 3 to prevent metal penetration into palladium layer and hence a membrane with nano-sized pores could be obtained. The mean thickness of the resulting Pd membrane on the modified disk was 12 m. The permeability and selectivity of membrane was investigated. The permeability tests at 773 K showed that the membrane prepared was highly selective towards hydrogen. Additionally aging tests showed hydrogen permeation through the membrane was independent of time.

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