CPC B01D 53/8631 (2013.01) [B01D 53/8625 (2013.01); B01D 53/9409 (2013.01); B01D 53/9431 (2013.01); B01J 21/16 (2013.01); B01J 23/22 (2013.01); B01J 23/28 (2013.01); B01J 23/30 (2013.01); B01J 35/04 (2013.01); F01N 3/2828 (2013.01); B01D 2255/90 (2013.01); B01D 2255/9155 (2013.01); B01D 2255/9205 (2013.01); B01D 2257/402 (2013.01); B01D 2257/404 (2013.01)] | 7 Claims |
1. A catalyst for reducing NOx in an exhaust gas comprising:
a ceramic or metallic foam support; and
one or more NOx reduction catalysts disposed on the ceramic or metallic foam support, wherein the one or more NOx reduction catalysts comprises a carrier material and one or more metal compounds disposed on the carrier material, wherein the NOx reduction catalyst has a bimodal pore distribution with more than 90% of a pore volume present in pores having a diameter of at most 100 nanometers (nm), and wherein the pore volume is present in pores having a diameter between approximately 1 nm and approximately 104 nm.
|