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Title: Hydrogen recovery process

Abstract

A treatment process for a hydrogen-containing off-gas stream from a refinery, petrochemical plant or the like. The process includes three separation steps: condensation, membrane separation and hydrocarbon fraction separation. The membrane separation step is characterized in that it is carried out under conditions at which the membrane exhibits a selectivity in favor of methane over hydrogen of at least about 2.5.

Inventors:
 [1];  [2];  [3];  [1]
  1. Palo Alto, CA
  2. Union City, CA
  3. Fremont, CA
Publication Date:
Research Org.:
Membrane Technology and Research, Inc., Menlo Park, CA
OSTI Identifier:
873433
Patent Number(s):
US 6159272
Assignee:
Membrane Technology and Research, Inc. (Menlo Park, CA)
DOE Contract Number:  
FG03-98ER82618
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
hydrogen; recovery; process; treatment; hydrogen-containing; off-gas; stream; refinery; petrochemical; plant; separation; steps; condensation; membrane; hydrocarbon; fraction; step; characterized; carried; conditions; exhibits; selectivity; favor; methane; gas stream; membrane separation; recovery process; off-gas stream; treatment process; separation step; separation steps; hydrocarbon fraction; hydrogen recovery; petrochemical plant; /95/

Citation Formats

Baker, Richard W, Lokhandwala, Kaaeid A, He, Zhenjie, and Pinnau, Ingo. Hydrogen recovery process. United States: N. p., 2000. Web.
Baker, Richard W, Lokhandwala, Kaaeid A, He, Zhenjie, & Pinnau, Ingo. Hydrogen recovery process. United States.
Baker, Richard W, Lokhandwala, Kaaeid A, He, Zhenjie, and Pinnau, Ingo. 2000. "Hydrogen recovery process". United States. https://www.osti.gov/servlets/purl/873433.
@article{osti_873433,
title = {Hydrogen recovery process},
author = {Baker, Richard W and Lokhandwala, Kaaeid A and He, Zhenjie and Pinnau, Ingo},
abstractNote = {A treatment process for a hydrogen-containing off-gas stream from a refinery, petrochemical plant or the like. The process includes three separation steps: condensation, membrane separation and hydrocarbon fraction separation. The membrane separation step is characterized in that it is carried out under conditions at which the membrane exhibits a selectivity in favor of methane over hydrogen of at least about 2.5.},
doi = {},
url = {https://www.osti.gov/biblio/873433}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Jan 01 00:00:00 EST 2000},
month = {Sat Jan 01 00:00:00 EST 2000}
}