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Selective purge for hydrogenation reactor recycle loop

United States Patent

January 30, 2001
View the Complete Patent at the US Patent & Trademark Office
Processes and apparatus for providing improved contaminant removal and hydrogen recovery in hydrogenation reactors, particularly in refineries and petrochemical plants. The improved contaminant removal is achieved by selective purging, by passing gases in the hydrogenation reactor recycle loop or purge stream across membranes selective in favor of the contaminant over hydrogen.
Baker; Richard W. (Palo Alto, CA), Lokhandwala; Kaaeid A. (Union City, CA)
Membrane Technology and Research, Inc. (Menlo Park, CA)
09/ 316,508
May 21, 1999
This invention was made with Government support under Contract No. DE-FG03-98ER82618, awarded by the Department of Energy. The Government has certain rights in this invention.