Catalytic reaction for reduction of nitrogen oxide

Details Catalytic reaction for reduction of nitrogen oxide Catalytic reaction for reduction of nitrogen oxide

1981-01-08

1981-12-15

Richman, Barry

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422177, 422197, F01N 315, B01J 800, B01J 806

Patent

active

043059104

ABSTRACT:
A catalytic reactor for reducing nitrogen oxide (NO.sub.x) contained in exhaust gas under the presence of ammonia is provided, wherein tubular catalyst units each being a ring shape in cross-section are disposed in spaced apart relationship from one another in the cross-section of the flow path of the exhaust gas in a manner that tubular axes thereof are in parallel with the direction of gas flow within a reaction vessel through which the exhaust gas containing nitrogen oxide (NO.sub.x) and ammonia flows, said catalyst units each being secured to the interior of the reaction vessel at least as two points in the longitudinal direction by support means.

REFERENCES:
patent: 1838105 (1931-12-01), Murray
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patent: 2263363 (1941-11-01), Menshih
patent: 2709128 (1955-05-01), Krause
patent: 2778610 (1957-01-01), Bruegger
patent: 3285713 (1966-11-01), Poehler et al.
patent: 3499797 (1970-03-01), Hooper
patent: 3853485 (1974-12-01), Hogan
patent: 3915658 (1975-10-01), Sheitlin et al.

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