Cross-flow, fixed-bed catalytic reactor

Details Cross-flow, fixed-bed catalytic reactor Cross-flow, fixed-bed catalytic reactor

1994-02-01

1996-05-28

McMahon, Timothy M.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

422148, 422198, 422201, 422211, 423352, 423659, 423DIG12, 252373, 568888, 518712, 549262, 165910, F28D 708, C07C 3104

Patent

active

055208916

ABSTRACT:
Disclosed are a fixed-bed, cross-flow catalytic reactor wherein reaction heat can be exchanged against a heat exchange medium circulating indirectly through the catalyst bed, and a catalytic process comprising operation of the cross-flow reactor. The reactor comprises a catalyst bed having internally embedded banks of heat exchange tubes. An inlet distributor distributes reactants along the axial length of the bed. The distributed fluid passes through the bed in a cross-flow path wherein a catalytic reaction occurs. The reaction effluent is then collected from the bed by an outlet product collector. A heat exchange medium circulated through the internal heat exchange tubes adds or removes reaction heat as required for enhanced conversion in the reactor. Multiple heat exchange tubes can be used, and inlet and discharge manifolds are provided for distributing the circulating heat exchange medium. The heat exchange tubes can be spaced in accordance with the heat interchange required to optimize the reaction rate. A relatively shorter cross-flow path through a relatively larger flow area enhances reactor performance by allowing the catalyst particle size to be reduced without substantially increasing pressure drop.

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