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METHOD FOR TREATING ENGINE EXHAUST BY USE OF HYDROTHERMALLY STABLE, LOW-TEMPERATURE NOx REDUCTION NH3-SCR CATALYSTS

United States Patent Application

*** PATENT GRANTED ***
20170014814
9,694,352
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A catalyst composition includes a heterobimetallic zeolite characterized by a chabazite structure loaded with copper ions and at least one trivalent metal ion other than Al.sup.3+. The catalyst composition decreases NO.sub.x emissions in diesel exhaust and is suitable for operation in a catalytic converter.
NARULA, Chaitanya K. (Knoxville, TN), YANG, Xiaofan (Knoxville, TN)
UT-Battelle, LLC (Oak Ridge TN)
15/ 278,785
September 28, 2016
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.