Denitration catalyst for high-temperature exhaust gas

Details Denitration catalyst for high-temperature exhaust gas Denitration catalyst for high-temperature exhaust gas

B - Operations, Transporting

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B01J 29/06 (2006.01) B01D 53/86 (2006.01) B01J 23/83 (2006.01) B01J 29/46 (2006.01)

Patent

CA 2033291

A denitration catalyst for a high-temperature exhaust gas which is used to catalytically reduce and remove nitrogen oxides in the reaction temperature range of from 500 to 700°C in the process of adding an ammonia gas to the exhaust gas containing the nitrogen oxides, the aforesaid catalyst being characterized by carrying 0.5 to 10% by weight of cerium in terms of Ce2O3 or 0.5 to 5% by weight of iron in terms of Fe2O3 on a high silica type zeolite in which the molar ratio of SiO2/Al2O3 is 20 or more.

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