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Membrane for hydrogen recovery from streams containing hydrogen sulfide

United States Patent

7,163,670
January 16, 2007
View the Complete Patent at the US Patent & Trademark Office
A membrane for hydrogen recovery from streams containing hydrogen sulfide is provided. The membrane comprises a substrate, a hydrogen permeable first membrane layer deposited on the substrate, and a second membrane layer deposited on the first layer. The second layer contains sulfides of transition metals and positioned on the on a feed side of the hydrogen sulfide stream. The present invention also includes a method for the direct decomposition of hydrogen sulfide to hydrogen and sulfur.
Ackerman, legal representative; John (Laramie, WY), Agarwal, deceased; Pradeep K. (Laramie, WY)
University of Wyoming (
11/ 002,612
December 2, 2004
CONTRACTUAL ORIGIN OF INVENTION This invention was made with U.S. Government support under Contract No. DE-FC02-91ER75680 awarded by the U.S. Department of Energy. The U.S. Government has certain rights in this invention.