IMPROVEMENTS RELATING TO PROPYLENE OXIDE PURIFICATION

IMPROVEMENTS RELATING TO PROPYLENE OXIDE PURIFICATION

A method of separating impurities from impure PO, the method comprising distilling impure PO in a distillation zone to provide distillate PO of enhanced purity, wherein heat is provided to the distillation zone by a bottoms reboiler and by an intermediate reboiler, the intermediate reboiler providin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAANDORP, Jozef Jacobus, VAN MOURIK, Arian, VOETTER, Manfred Heinz, DERKING, Anke, ZHAO, Ying
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:A method of separating impurities from impure PO, the method comprising distilling impure PO in a distillation zone to provide distillate PO of enhanced purity, wherein heat is provided to the distillation zone by a bottoms reboiler and by an intermediate reboiler, the intermediate reboiler providing heat at a lower temperature than the bottoms reboiler. A suitable distillation system is also disclosed.