Controlled continuous purification of propylene oxide by extractive distillation

In the continuous purification of a propylene oxide feedstock contaminated with water, methanol and acetone, wherein an acetone buffer is established in the column, normal distillation conditions are maintained or restored during or after an upset by continuously monitoring predetermined distillatio...

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Hauptverfasser:	DOWNS, JAMES J, MUELLER, MARK A, NELSON, WILLIAM P, TAYLOR, MARK E, HIESTER, ANDREW C, PETERS, MICHAEL W
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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