Elimination of nitrous oxide during nitric acid production

Details Elimination of nitrous oxide during nitric acid production Elimination of nitrous oxide during nitric acid production

B - Operations, Transporting

01

D

B01D 53/56 (2006.01) B01D 53/86 (2006.01) C01B 21/26 (2006.01) C01B 21/40 (2006.01)

Patent

CA 2397274

An apparatus and a process are described for the elimination of N2O during nitric acid production. The arrangement of the apparatus is downstream of a heat exchanger after ammonia combustion and upstream of the absorption column, and it includes a catalyst which is substantially composed of one or more iron-loaded zeolites.

L'invention concerne un dispositif et un procédé pour éliminer du N2O lors de la production d'acide nitrique. Ledit procédé est placé en aval d'un échangeur de chaleur après l'incinération de l'ammoniac et avant la tour d'absorption, et comporte un catalyseur qui contient essentiellement une ou plusieurs zéolithes chargées de fer.

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