Separating hydrogen from a mixture of substances

Details Separating hydrogen from a mixture of substances Separating hydrogen from a mixture of substances

1985-09-16

1990-07-31

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55158, B01D 5322, B01D 7102

Patent

active

049447777

ABSTRACT:
In separating hydrogen from a mixture of gases by diffusion through a non-porous membrane which is selectively permeable to hydrogen, the hydrogen being at least partially dissociated prior to being contacted with the membrane, the membrane is made up of at least two layers of different materials. The layer on the upstream side of the membrane is less dissolving to hydrogen and has a lower release rate constant at 300.degree. C. than the layer on the downstream side. The membrane may consist of an iron diaphragm with a thin coating of copper on the upstream side.

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patent: 3407571 (1968-10-01), Sherwood
patent: 4494965 (1985-01-01), Ali-Khan et al.

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