Method and apparatus for treating perfluorocompounds

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier

Reexamination Certificate

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Details

C422S198000, C422S211000, C096S280000, C096S284000

Reexamination Certificate

active

07128882

ABSTRACT:
In a PFC decomposing apparatus according to the present invention, PFC contained in a discharged gas is decomposed in catalyst cartridge3packed with a catalyst containing 80% Al2O3and 20% NiO. The discharged gas containing acid gases as a decomposition gas is cooled in cooling chamber6and led to discharged gas washing column13, where the acid gases are removed. Mists of acid gases (SO3mists or NOx mists) entrained in the discharged gas are separed in cyclone16. Compressed air at about 0.1 Mpa is fed to ejector24through air feed pipe56. The interior of ejector24is brought into a negative pressure state by the compressed air to such the discharged gas from cyclone16and ejector. Ejector24can reduce a frequency of maintenance inspection, as compared with a blower.

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