Patent ID: 8852518
Filing Date: 2014-10-07
Classification: B01D,B01J

Abstract:
1. A catalyst configuration for removing nitrogen oxides in exhaust gas for a power generation facility by reduction in the presence of ammonia, comprising: a means for adding ammonia to the exhaust gas; a first catalyst; and a second catalyst, wherein the first catalyst is for removing nitrogen dioxide and comprises at least one oxide selected from the group consisting of copper oxides and chromium oxides, the second catalyst for removing nitrogen monoxide and comprises a titanium oxide and at least one oxide selected from the group consisting of vanadium oxides, tungsten oxides and molybdenum oxides, the means for adding ammonia to the exhaust gas is arranged on the upstream side in the exhaust gas flow direction of the first and second catalyst, and the first catalyst is arranged on the upstream side in the exhaust gas flow direction of the second catalyst.