Hydrogen recovery by adsorbent membranes

Details Hydrogen recovery by adsorbent membranes Hydrogen recovery by adsorbent membranes

1994-09-08

1996-04-16

Spitzer, Robert

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

95 96, B01D 5322, B01D 53047

Patent

active

055078567

ABSTRACT:
A composite semipermeable membrane comprising microporous adsorbent material supported by a porous substrate is utilized to separate hydrogen-hydrocarbon mixtures and a sweep gas comprising some of the same hydrocarbons is passed across the low pressure side of the membrane to enhance hydrocarbon permeability. Methane is an effective sweep gas which promotes the permeation of heavier hydrocarbons even when methane is present in the membrane feed.

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