Hydrogen separation membrane on a porous substrate

Details Hydrogen separation membrane on a porous substrate Hydrogen separation membrane on a porous substrate

2011-06-14

2011-06-14

Greene, Jason M (Department: 1775)

Gas separation: apparatus

Apparatus for selective diffusion of gases

Plural layers

C096S007000, C095S055000, C095S056000, C429S411000, C502S004000, C264S044000, C264S666000, C264S674000, C264S676000, C264S681000

Reexamination Certificate

active

07959716

ABSTRACT:
A hydrogen permeable membrane is disclosed. The membrane is prepared by forming a mixture of metal oxide powder and ceramic oxide powder and a pore former into an article. The article is dried at elevated temperatures and then sintered in a reducing atmosphere to provide a dense hydrogen permeable portion near the surface of the sintered mixture. The dense hydrogen permeable portion has a higher initial concentration of metal than the remainder of the sintered mixture and is present in the range of from about 20 to about 80 percent by volume of the dense hydrogen permeable portion.

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