Emission control apparatus

Details Emission control apparatus Emission control apparatus

1986-11-24

1988-08-16

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

55291, 55293, 55474, 422171, B01D 5334

Patent

active

047643480

ABSTRACT:
An apparatus for removing acid gas and fly ash from hot flue gas includes a housing containing a perforated plate extending thereacross for holding a cool bed of particulate scrubbing material. First means are provided for passing the hot flue gas through the cool bed for capturing the fly ash and causing condensation and removal of the acid gas by formation of a crust of solid reaction product on the particles. After condensation and reaction ceases, agitation means remove the crust from the particles and a second means passes a gas through the bed to entrain and remove the crust from the housing. Water spray means or a third means for passing a cool gas through the bed are provided for cooling the bed to a temperature below the dew point of the flue gas.

REFERENCES:
patent: 2255041 (1941-09-01), Anderegg
patent: 3996317 (1976-12-01), Sarmiento et al.
patent: 4344779 (1982-08-01), Isserlis

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