Epoxidation of propylene

Epoxidation of propylene

The prepn. of propylene oxide (PO) and t-butyl alcohol comprises (a) charging to a first isothermal segment of the reactor system a feed mixt. comprising 25-100 wt.% of a recycle stream, propylene and a t-butyl alcohol soln. of t-butyl hydroperoxide and Mo catalyst; (b) converting 50-80 wt.% of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WU, CHUNG NAN TSAI, PRESTON, KYLE LEE, TAYLOR, MARK ELLIOTT, MUELLER, MARK ALLAN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:The prepn. of propylene oxide (PO) and t-butyl alcohol comprises (a) charging to a first isothermal segment of the reactor system a feed mixt. comprising 25-100 wt.% of a recycle stream, propylene and a t-butyl alcohol soln. of t-butyl hydroperoxide and Mo catalyst; (b) converting 50-80 wt.% of the t-butyl hydroperoxide to provide an intermediate reaction mixt.; (c) removing a recycle stream and recycling it to the first isothermal segment; and (d) passing the remainder of the intermediate reaction mixt. through an adiabatic segment of the reactor system and converting an additional 20-40 wt.% of the t-butyl hydroperoxide.