Process for purifying flue gases from nitrogen oxides

Details Process for purifying flue gases from nitrogen oxides Process for purifying flue gases from nitrogen oxides

1988-03-16

1989-07-11

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

B01J 800, C01B 1700

Patent

active

048470589

ABSTRACT:
Nitrogen oxide containing flue gases are purifyed by being subjected to an oxidation/reduction by means of a catalyst material, which comprises vanadium pentoxide on a support material. The purification is carried out in two separate steps, at which the content of nitrogen oxide in the flue gases are oxidized by means of a mordenite catalyst in the first step and are reduced by means of a catalyst of vanadium pentoxide on an acidic support material in the second step.

REFERENCES:
patent: 4157375 (1979-06-01), Brown et al.
patent: 4350670 (1982-09-01), Matsuda et al.
patent: 4742037 (1988-05-01), Baiter et al.
patent: 4744967 (1988-05-01), Brand et al.
Applied Catalysis 18 (1985) 335-352 "Catalytic Reduction of Nitrogen Oxides".

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