Process for controlling nitrogen oxides in exhaust gases

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component

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423400, B01D 5334

Patent

active

043506690

ABSTRACT:
A process for controlling nitrogen oxides in combustion exhaust gases which comprises adding an oxygen-containing hydrocarbon and/or its precursor to exhaust gases and thereby oxidizing nitric oxide in the exhaust to nitrogen dioxide in the presence of oxygen.

REFERENCES:
patent: 3867507 (1975-02-01), Myerson
patent: 3972824 (1976-08-01), Fooladi
patent: 4016241 (1977-04-01), Nishikawa et al.

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