Method for purifying exhaust gas and apparatus

Details Method for purifying exhaust gas and apparatus Method for purifying exhaust gas and apparatus

1991-08-12

1992-04-07

Russel, Jeffrey E.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

4232137, 4232451, 4232453, B01D 5336

Patent

active

051026341

ABSTRACT:
A method for purifying an exhaust gas containing catalyst poison(s) by subjecting the gas to a catalytic treatment which comprises previously passing the gas through a layer packed with a highly activated alumina to remove the catalyst poison(s); and an apparatus for purifying exhaust gas containing catalyst poison(s) by subjecting the gas to a catalytic treatment, wherein a layer packed with a highly activated alumina for removal of the catalyst poison(s) and a layer packed with an oxidation catalyst for removal of harmful substances in the gas are separately arranged.

REFERENCES:
patent: 3257163 (1966-06-01), Stiles
patent: 3259454 (1966-07-01), Michalko
patent: 4192857 (1980-03-01), Tellier et al.
patent: 4407785 (1983-10-01), Pfefferle
Patent Abstracts of Japan, vol. 7, No. 175 (C-179)[1320], 3rd Aug. 1983, p. 118 C 91.
Patent Abstracts of Japan, vol. 6, No. 24 (C-91)[902], 12th Feb. 1982, p. 118 C 91.
Patent Abstracts of Japan, vol. 4, No. 42 (C-5)[524], 3rd Apr. 1980, p. 71 C 5.
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