Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1985-07-25
1987-10-27
Lacey, David L.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
422174, 422176, 422177, 422191, 422199, 422207, 422220, 422235, 432 72, 34 79, 16510416, B01D 5000, B01D 5336
Patent
active
047028920
ABSTRACT:
An oxidation assembly catalytically oxidizes organic hydrocarbon gases and recovers the heat held by the heated oxidized exhaust generated by such oxidation. The assembly includes a preheater and a catalytic recuperative heat generator which contains a suitable oxidation catalyst. An outside air inlet provides communication between the outside air and the heat generator. The assembly also includes a fan having a first and second outlet for moving the heated oxidized exhaust, and an outside air preheat exchanger. The first outlet of the fan and a recirculation duct communicate to form a loop for storing the heated oxidized exhaust for later use, and the second outlet of the fan and the inlet of the catalytic preheater communicate to form a loop for returning the oxidized exhaust to the preheater. Although the assembly may be designed with a fixed pre-adjusted gas flow control device, in the preferred embodiment, variable flow control devices are provided at various positions within the apparatus.
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