Patent ID: 9272269
Filing Date: 2016-03-01
CPC Classification: B01D,B01J,C01B

Claim Text:
1. A hollow fiber for use in production of hydrogen gas, the hollow fiber comprising a porous support layer having an outer surface and an inner surface, a catalyst layer coated on the outer surface, and a selection layer coated on the inner surface, wherein the hollow fiber has an outer diameter of 500 to 4000 μm and an inner diameter of 100 to 2000 μm; the support layer has a thickness of 100 to 500 μm and a pore size of 50 to 400 nm; the catalyst layer contains a catalyst, has a thickness of 100 to 500 μm, and has a pore size of 200 to 2000 nm; and the selection layer contains a palladium or palladium-alloy film and has a thickness of 0.3 to 10 μm.