VERFAHREN ZUR DIREKTEN EPOXIDIERUNG UNTER VERWENDUNG VON CARBONATMODIFIKATOREN

The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a modifier and a catalyst comprising a noble metal and titanium zeolite. The modifier is (a) calcium carbonate in the presence of carbon dioxide or (b) ammonium bicarbonate. The process results in increa...

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Bibliographic Details
Main Author HANCU, DAN
Format Patent
LanguageGerman
Published 15.01.2006
Edition7
Subjects
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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Summary:The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a modifier and a catalyst comprising a noble metal and titanium zeolite. The modifier is (a) calcium carbonate in the presence of carbon dioxide or (b) ammonium bicarbonate. The process results in increased catalyst activity, selectivity to epoxide, and increased catalyst life.
Bibliography:Application Number: AT20020803592T