Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including solid – extended surface – fluid contact reaction...
Patent
1981-10-29
1983-02-15
Chiesa, Richard L.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Including solid, extended surface, fluid contact reaction...
208146, B01J 802, B01J 3502
Patent
active
043740952
ABSTRACT:
In a radial flow catalytic reactor, a gravity supported centerpipe is restrained from vertical upward movement due to thermal cycling of the catalyst and the reactor internals and/or the reactor and/or changes in process fluid flow conditions by forming the centerpipe with a taper, either continuous or stepped to have a generally frustoconical configuration. Gravity effect of the catalyst particles forming the bed act along the tapered sides of the centerpipe. Additionally improved radial flow through the uniformly packed catalyst bed, is achieved by the tapered conical shape of the centerpipe by gradually increasing the volume of the centerpipe along the length of the catalyst bed to accommodate ever increasing fluid flow from top to bottom through the radial bed.
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Burke Ben G.
Legg Douglas J.
Chevron Research Company
Chiesa Richard L.
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