Process for preparing alkylene oxide (epoxid, oxirane)

Details Process for preparing alkylene oxide (epoxid, oxirane) Process for preparing alkylene oxide (epoxid, oxirane)

2007-11-27

2007-11-27

McKenzie, Thomas (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S529000, C549S531000

Reexamination Certificate

active

10477060

ABSTRACT:
A process for the preparation of alkylene oxide, which process involves passing a feed containing an organic hydroperoxide and alkene through a bank of at least two serially connected reactors containing epoxidation catalyst and withdrawing a product stream having alkylene oxide and an alcohol as reaction products, in which bank of reactors the temperature of the feed is controlled such that during operation the outlet temperature of the final reactor is at least 4° C. higher than the outlet temperature of the first reactor.

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