Process for purifying exhaust gas

Details Process for purifying exhaust gas Process for purifying exhaust gas

1990-03-27

1992-02-11

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

4232132, 4232137, 423244, 4232453, B01J 800, C01B 2100, C01B 1700, C01B 2500

Patent

active

050874306

ABSTRACT:
An exhaust gas containing a nitrogen oxides is passed at a temperature of 250.degree. to 550.degree. C. in the presence of a reducing agent through a catalyst bed filled with a molded denitration catalyst comprising at least the following three catalyst components

REFERENCES:
patent: 3025133 (1962-03-01), Robinson et al.
patent: 4188364 (1980-02-01), Gladden
patent: 4221768 (1980-09-01), Inoue et al.
patent: 4374103 (1983-02-01), Gandhi
patent: 4466947 (1984-08-01), Imanari
patent: 4828807 (1989-05-01), Domesle et al.
patent: 4855115 (1989-08-01), Imanari et al.
Patent Abstracts of Japan, vol. 5, No. 204 (C-85)[876], 24th Dec. 1981, p. 153 C 85; & JP-A-56 126 437 (Toyo Kogyo K.K.) 03-10-1981 *Whole abstract*.
Patent Abstract of Japan, vol. 3, No. 91 (C-54), 3rd Aug. 1979, p. 113 C 54; & JP-A-54 69 587 (Nippon Shokubai Kagaku Kogyo K.K.) 06-04-1979 *Whole abstract* & JP-B-59 011 340 (Cat. D).
Patent Abstracts of Japan, vol. 12, No. 202 (C-503)[3049], 10th Jul. 1988; & JP-A-63 4853 (Matsushita Electric Ind. Co., Ltd) 09-01-1988 *Whole abstract*.

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