Method for purification of ethylene oxide and recovery of heat t

Details Method for purification of ethylene oxide and recovery of heat t Method for purification of ethylene oxide and recovery of heat t

1986-07-01

1988-10-18

Lacey, David L.

Distillation: processes, separatory

And recovering heat by indirect heat exchange

Utilizing recovered heat for heating feed

203 25, 203 27, 203 75, 203 77, 203 78, 203 80, 203DIG4, 203DIG8, 203DIG9, 203DIG25, 549541, B01D 300

Patent

active

047785675

ABSTRACT:
In the purification of ethylene oxide from an ethylene oxide-containing reaction formation gas produced by catalytic gas-phase oxidation of ethylene with a molecular oxygen containing gas, external thermal energy required for heating an ethylene oxide refiner is economized by a method which utilizes the diffusate obtained from the top of an ethylene oxide stripper as a heat source for the refiner. Further, the bottom liquid of the stripper can be used as a heat source for ethylene oxide refiner and/or a light ends stripper.

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