MODIFIED CARRIER FOR SILVER BASED ETHYLENE OXIDE CATALYST

Silver based ethylene oxide catalysts having enhanced stability are disclosed. The enhanced stability silver based ethylene oxide catalysts include an alumina carrier which has been modified to include cavities on the surface of the carrier. The presence of the cavities on the surface of the modifie...

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Bibliographic Details
Main Authors SUCHANEK, WOJCIECH, ROKICKI, ANDRZEJ
Format Patent
LanguageEnglish
French
German
Published 30.11.2016
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
HETEROCYCLIC COMPOUNDS
INORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:Silver based ethylene oxide catalysts having enhanced stability are disclosed. The enhanced stability silver based ethylene oxide catalysts include an alumina carrier which has been modified to include cavities on the surface of the carrier. The presence of the cavities on the surface of the modified carrier stops or at least impedes the motion of silver particles on the surface of the carrier during an epoxidation process. In particular, the cavities on the surface of the alumina carrier effectively trap and/or anchor silver particles and prevent them from further motion.
Bibliography:Application Number: EP20140748480