Apparatus for regenerating depleted deNO.sub.x catalysts

Details Apparatus for regenerating depleted deNO.sub.x catalysts Apparatus for regenerating depleted deNO.sub.x catalysts

1992-03-27

1994-02-01

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including solid, extended surface, fluid contact reaction...

422177, 422178, 502 34, B01J 2390

Patent

active

052830527

ABSTRACT:
An apparatus for regenerating depleted deNO.sup.d catalysts includes a combustion chamber having a combustion zone, a flue gas conduit communicating with the combustion zone and a deNO.sub.x catalyst having surfaces in the flue gas conduit. An injection device may be disposed between the combustion zone and the surfaces for injecting molybdenum-oxide-containing dust when the deNO.sub.x catalyst is depleted, or a molybdenum-oxide-containing surface may be disposed in the flue gas conduit between the combustion zone and the surfaces for regeneration when the deNO.sub.x catalyst is depleted.

REFERENCES:
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patent: 4393031 (1983-07-01), Henke
patent: 4618593 (1986-10-01), Sasaki et al.
patent: 4757038 (1988-07-01), Sasaki et al.
patent: 4871522 (1989-10-01), Doyle
patent: 4975256 (1990-12-01), Hegedus et al.

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