Shell and tube oxidation reactor with improved resistance to fouling
AssigneeArkema Inc.
InventorsMichael S. DeCourcy, John L. Steinbach, Nicolas Dupont, Roger L. Roundy
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Abstract
The present disclosure relates to a single shell open interstage reactor (“SSOI”). The SSOI comprises a first reaction stage, an interstage heat exchanger, an open interstage region, and a second reaction stage. The SSOI may be configured for upflow or downflow operation. Further, the open interstage region of the SSOI may comprise a supplemental oxidant feed. When the open interstage region comprises a supplemental oxidant feed, the SSOI may further comprise a supplemental oxidant mixing assembly. Processes for producing acrylic acid through the oxidation of propylene are also disclosed.
Claims33
An upflow single shell open interstage reactor comprising:
- a) a first shell-and-tube reaction stage comprising a plurality of reaction tubes, wherein the reaction tubes of the first reaction stage comprise a first catalyst;
- b) an interstage heat exchanger;
- c) an open interstage region;
- and
- d) a second shell-and-tube reaction stage comprising a plurality of reaction tubes, wherein the reaction tubes of the second reaction stage comprise a second catalyst;
- wherein said interstage heat exchanger is positioned between said first reaction stage and said open interstage region, and
- wherein said reactor is configured for upflow operation.
Dependencies are inferred from the claim text.