Removing ammonia from an ammonia-containing gas mixture

Details Removing ammonia from an ammonia-containing gas mixture Removing ammonia from an ammonia-containing gas mixture

1995-06-27

1996-07-09

Langel, Wayne

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

C01C 300

Patent

active

055342361

ABSTRACT:
A process of removing ammonia from an ammonia-containing gas mixture including introducing a precursor of nitrogen oxides into the gas mixture at a temperature above the decomposition temperature of the precursor and subsequently contacting the gas steam with a catalyst composition which catalyses the reduction of nitrogen oxides in the presence of ammonia to obtain a gas mixture having a reduced ammonia content.

REFERENCES:
patent: 4081510 (1978-03-01), Kato et al.
patent: 4744962 (1988-05-01), Johnson et al.
patent: 4755282 (1988-07-01), Samish et al.
Jul. 1995 Search Report--European Patent Office.

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