Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gerard Diomede Lapadula0
Pascaline Harrison Tran0
Xinsheng Liu0
Date of Patent
July 1, 2008
0Patent Application Number
110588220
Date Filed
February 16, 2005
0Patent Primary Examiner
Patent abstract
A process is described that removes by oxidation the excess ammonia (NH3) gas from flue gases that have been subjected to selective catalytic reduction (SCR) of oxides of nitrogen (NOx) by ammonia injection. The inventive process incorporates a secondary catalyst of precious metal and vanadia on a metal oxide such as titania to catalyze the oxidation of both ammonia and carbon monoxide (CO) while maintaining sulfur dioxide (SO2) levels.
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