Multistage catalytic reactor having a pressure responsive gas fl

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

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Details

422172, 422176, 422181, 60291, 60292, 60299, 60301, B01J 802, B01J 804, F01N 315

Patent

active

041961706

ABSTRACT:
A multistage catalytic reactor for purifying exhaust gas has a passage for communicating exhaust gas to first and second catalyst bed assemblies, and a valve for automatically maintaining flow of the gas solely through the first catalyst bed assembly in response to a first operating condition and for automatically passing the gas through the first and second catalyst bed assemblies in response to a second operating condition, shifting of said valve being free of external control.

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patent: 3968645 (1976-07-01), Noguchi et al.
patent: 3981145 (1976-09-01), Noguchi et al.
patent: 3996016 (1976-12-01), Wagner

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