Hydrogen recovery by adsorbent membranes

Details Hydrogen recovery by adsorbent membranes Hydrogen recovery by adsorbent membranes

1994-08-10

1995-09-05

Spitzer, Robert

Gas separation: apparatus

Apparatus for selective diffusion of gases

96 7, 96 10, 96130, 96133, 96144, B01D 5347, B01D 5322

Patent

active

054475597

ABSTRACT:
A composite semipermeable membrane comprising microporous adsorbent material supported by a porous substrate is operated in series with a pressure swing adsorption (PSA) system and the PSA reject gas is used as a sweep gas to improve membrane performance. The integrated membrane-PSA system is particularly useful for recovering high-purity hydrogen from a mixture of hydrogen and hydrocarbons, and is well-suited for integration with a steam-methane reformer.

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