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Feed gas contaminant removal in ion transport membrane systems

United States Patent

September 16, 2008
View the Complete Patent at the US Patent & Trademark Office
Method for gas purification comprising (a) obtaining a feed gas stream containing one or more contaminants selected from the group consisting of volatile metal oxy-hydroxides, volatile metal oxides, and volatile silicon hydroxide; (b) contacting the feed gas stream with a reactive solid material in a guard bed and reacting at least a portion of the contaminants with the reactive solid material to form a solid reaction product in the guard bed; and (c) withdrawing from the guard bed a purified gas stream.
Carolan; Michael Francis (Allentown, PA), Miller; Christopher Francis (Macungie, PA)
Air Products and Chemicals, Inc. (Allentown, PA)
11/ 028,124
January 3, 2005
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under Contract Number DE-FC26-97FT96052 between Air Products and Chemicals, Inc. and the U.S. Department of Energy. The Government has certain rights to this invention.