Alkylene oxide recovery systems

Details Alkylene oxide recovery systems Alkylene oxide recovery systems

B - Operations, Transporting

01

D

B01D 3/14 (2006.01) B01D 3/20 (2006.01) B01D 3/22 (2006.01) B01D 3/42 (2006.01) B01D 5/00 (2006.01) C07D 301/32 (2006.01)

Patent

CA 2731937

Embodiments of the present disclosure include processes and systems for recovering alkylene oxide. System embodiments include a stripping section (202) located in an alkylene oxide recovery column to convert a feed stream comprising to a first gas phase portion comprising alkylene oxide, a condensing zone comprising at least a first condenser (207) and a second condenser (209) configured in series, and a reabsorption region (204) located in the alkylene oxide recovery column above the last of the at least two condensers.

Dans divers modes de réalisation, l'invention concerne des procédés et des systèmes d'extraction d'oxyde d'allène. Les systèmes comprennent une zone de strippping disposée dans une colonne d'extraction d'oxyde d'allène, destinée à convertir une charge comprenant une première partie en phase gazeuse contenant de l'oxyde d'allène, une zone de condensation disposée en série, et 'une zone de réabsorption située dans ladite colonne d'extraction au-dessus des condenseurs (au moins deux).

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