Production of an epoxide by reaction of an olefin in a peroxide solution comprises regeneration of catalyst and continuous refeeding of at least a portion of the regenerated catalyst to the reactor

Production of an epoxide by reaction of an olefin in a peroxide solution in the presence of a titanium silicate catalyst is characterized by the regeneration of used catalyst that is continuously removed and at least a portion of the regenerated catalyst is continuously refed to the reactor. A proce...

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Hauptverfasser: PONCEAU, MARIANNE, MUELLER-MARKGRAF, WOLFGANG, FRITZ, HELMUT
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MUELLER-MARKGRAF, WOLFGANG
FRITZ, HELMUT
description Production of an epoxide by reaction of an olefin in a peroxide solution in the presence of a titanium silicate catalyst is characterized by the regeneration of used catalyst that is continuously removed and at least a portion of the regenerated catalyst is continuously refed to the reactor. A process for the production of an epoxide by reaction of an olefin in a peroxide solution in the presence of a titanium silicate catalyst is characterized by continuous feeding of fresh or regenerated catalyst, with a peroxide containing or forming liquid stream and olefinwith continuous removal of used catalyst in a liquid stream with a portion of the epoxide and a gas stream comprising unreacted olefin and a portion of the epoxide, whereby the used catalyst that is removed undergoes a regeneration step and at least a portion of the regenerated catalyst is continuously re-fed to the reactor. Die Erfindung betrifft Verfahren zur Herstellung eines Epoxids durch chemisches Umsetzen eines Olefins in einer Peroxidlösung in Gegenwart eines Titansilicalit-Katalysators in einer Reaktoranordnung. DOLLAR A Erfindungsgemäß wird einerseits die Reaktoranordnung (4) kontinuierlich mit frischem und/oder regeneriertem Katalysator (1), mit einem flüssigen das Peroxid enthaltenden oder das Peroxid bildenden Einsatzstrom (2) und mit Olefin (5) beschickt, und andererseits werden in einem Flüssigkeitsstrom (9) gebrauchter Katalysator und ein Teil des Epoxids, und in einem Gasstrom (8) nicht umgesetztes Olefin und ein anderer Teil des Epoxids aus der Reaktoranordnung kontinuierlich entnommen, wobei der entnommene gebrauchte Katalysator einer Regenerierung unterzogen und als mindestens teilweise regenerierter Katalysator (1) der Reaktoranordnung (4) kontinuierlich wieder zugeführt wird.
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DOLLAR A Erfindungsgemäß wird einerseits die Reaktoranordnung (4) kontinuierlich mit frischem und/oder regeneriertem Katalysator (1), mit einem flüssigen das Peroxid enthaltenden oder das Peroxid bildenden Einsatzstrom (2) und mit Olefin (5) beschickt, und andererseits werden in einem Flüssigkeitsstrom (9) gebrauchter Katalysator und ein Teil des Epoxids, und in einem Gasstrom (8) nicht umgesetztes Olefin und ein anderer Teil des Epoxids aus der Reaktoranordnung kontinuierlich entnommen, wobei der entnommene gebrauchte Katalysator einer Regenerierung unterzogen und als mindestens teilweise regenerierter Katalysator (1) der Reaktoranordnung (4) kontinuierlich wieder zugeführt wird.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects CHEMISTRY
CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
title Production of an epoxide by reaction of an olefin in a peroxide solution comprises regeneration of catalyst and continuous refeeding of at least a portion of the regenerated catalyst to the reactor
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