RECOVERY OF ETHYLENE OXIDE FROM ADMIXED INERT GASEOUS COMPONENTS

RECOVERY OF ETHYLENE OXIDE FROM ADMIXED INERT GASEOUS COMPONENTS

Ethylene oxide is separated from admixed inert gaseous components and recovered as a gaseous fraction by (a) contacting the gaseous mixture with a lean aqueous absorbant to produce an ethylene oxide-rich absorbate; (b) flashing the ethylene oxide-rich absorbate at a temperature below about 65 DEG C...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VANDERWATER R,US, FOSTER G,US, CUNNINGHAM J,US
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Ethylene oxide is separated from admixed inert gaseous components and recovered as a gaseous fraction by (a) contacting the gaseous mixture with a lean aqueous absorbant to produce an ethylene oxide-rich absorbate; (b) flashing the ethylene oxide-rich absorbate at a temperature below about 65 DEG C to produce a condensate lean in inerts; and (c) contacting, in an ethylene oxide stripping zone, the inerts-lean condensate with a stripping vapor at or slightly above atmospheric pressure to produce a gaseous overhead rich in ethylene oxide.