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Photo-oxidation catalysts

United States Patent

July 14, 2009
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
Photo-oxidation catalysts and methods for cleaning a metal-based catalyst are disclosed. An exemplary catalyst system implementing a photo-oxidation catalyst may comprise a metal-based catalyst, and a photo-oxidation catalyst for cleaning the metal-based catalyst in the presence of light. The exposure to light enables the photo-oxidation catalyst to substantially oxidize absorbed contaminants and reduce accumulation of the contaminants on the metal-based catalyst. Applications are also disclosed.
Pitts; J. Roland (Lakewood, CO), Liu; Ping (Irvine, CA), Smith; R. Davis (Golden, CO)
Alliance for Sustainable Energy, LLC (Golden, CO)
11/ 207,844
August 19, 2005
CONTRACTUAL ORIGIN The United States Government has rights in this invention under Contract No. DEAC36-99GO10337 between the United States Department of Energy and the National Renewable Energy Laboratory, a Division of the Midwest Research Institute.