Shell and tube oxidation reactor with improved resistance to fouling
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United States of America Patent
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Jan 9, 2018
Grant Date -
Oct 20, 2016
app pub date -
Jun 29, 2016
filing date -
Sep 24, 2012
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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.
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