SHORT CONTACT REACTOR, AND SYSTEM AND PROCESS USING THE SAME IN PREPARATION OF ETHYLENE AND PROPYLENE FROM METHANOL
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United States of America
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Issued Date -
Nov 21, 2024
app pub date -
Sep 28, 2022
filing date -
Sep 28, 2022
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Abstract
A short contact reaction system for preparing ethylene and propylene from methanol includes an MTO short contact reactor, a riser reactor, a dense bed, and a stripper. The MTO short contact reactor has the following components coaxially distributed from inside to outside: a methanol feeding pipeline, a filter pipe wall, a product gas channel, and a catalyst distributor arranged at the top of the reactor, and a seal pipe arranged at the bottom of the reactor. The seal pipe is located in the stripper. The diameter at the top of the product gas channel is smaller than the diameter at the bottom of the product gas channel. Methanol is in crossflow contact with the descending coked catalyst II in the MTO short contact reactor.
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