Process for the removal of nitrogen oxides from exhaust gases

Details Process for the removal of nitrogen oxides from exhaust gases Process for the removal of nitrogen oxides from exhaust gases

1984-12-14

1986-04-29

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

B01J 800, C01B 2100

Patent

active

045856320

ABSTRACT:
Process for the removal of nitrogen oxides from exhaust gases, in particular from exhaust gases containing sulfur oxides, by catalytic reduction. As a reduction agent a gas mixture obtained by catalytic conversion of methanol either by catalytic dissociation or by steam reforming is mixed with the exhaust gases and passed over a catalyst, wherein the nitrogen oxides are reduced to nitrogen. According to the first variant, one operates with conventional catalysts above 300.degree. C., according to the second variant, with new catalysts below 300.degree. C.

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