Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including solid – extended surface – fluid contact reaction...
Reexamination Certificate
2007-12-04
2011-12-20
Dentz, Bernard (Department: 1625)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Including solid, extended surface, fluid contact reaction...
C422S201000
Reexamination Certificate
active
08080215
ABSTRACT:
Flow reactor having a plurality of walled conduits each having an outer surface disposed for contact with a heat-transfer medium, an inlet distribution manifold in flow communication with a downstream manifold through channels formed by heterogeneous catalytic material disposed within each conduit during operation, and a sequence of zones comprising at least two zones, the zones including the walled conduits. The walled conduits within each zone have the same or different length measured along a longitudinal coordinate of the zone, the walled conduits within each zone have essentially uniform cross-section measured in a plane perpendicular to the longitudinal coordinate thereby defining volume of the zone, and in the sequence of zones, the total cross-sectional area of the conduits in each downstream zone varies from the prior upstream zone. At least one crossover chamber is provided in flow communication with the plurality of walled conduits of a downstream zone and the plurality of walled conduits of the prior upstream zone. A shell is present for maintaining during operation the outer surface the plurality of walled conduits of each zone predominantly in contact with a heat transfer medium, the shell having an inlet in flow communication with an outlet for flow of the heat-transfer medium.
REFERENCES:
patent: 4472527 (1984-09-01), Otake et al.
patent: 4520127 (1985-05-01), Otake et al.
patent: 2929300 (1981-01-01), None
patent: WO 03/011449 (2003-02-01), None
Dickinson Curtis D.
Jacobson Paul A.
Taheri Hassan
BP Corporation North America Inc.
Dentz Bernard
Nixon & Vanderhye
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