Combined catalytic/non-catalytic process for nitrogen oxides red

Details Combined catalytic/non-catalytic process for nitrogen oxides red Combined catalytic/non-catalytic process for nitrogen oxides red

1989-09-12

1990-12-18

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423239, C01B 2100, B01J 800

Patent

active

049785141

ABSTRACT:
A process for reducing nitrogen oxides in a combustion effluent is presented. The process involves introducing a nitrogenous treatment agent into the effluent under conditions effective to create a treated effluent having reduced nitrogen oxides concentration such that ammonia is present in the treated effluent; and then contacting the treated effluent under conditions effective to reduce the nitrogen oxides in the effluent with a nitrogen oxides reducing catalyst.

REFERENCES:
patent: 4302431 (1981-11-01), Atsukawa et al.
patent: 4719092 (1988-01-01), Bowers
patent: 4732743 (1988-03-01), Schmidt et al.
patent: 4777024 (1988-10-01), Epperly et al.
patent: 4780289 (1988-10-01), Epperly et al.
patent: 4830839 (1989-05-01), Epperly et al.

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