OLEFIN MANUFACTURING METHOD

A process is provided which is capable of producing olefins stably and efficiently by a metathesis reaction of identical or different olefins while preventing the lowering in metathesis catalyst activity due to trace impurities such as heteroatom-containing compounds that are contained in a starting...

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Bibliographic Details
Main Authors TAKAI TOSHIHIRO, IKENAGA HIROKAZU, KOTANI MAKOTO, MIYAZOE SATORU
Format Patent
LanguageEnglish
Korean
Published 27.04.2011
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:A process is provided which is capable of producing olefins stably and efficiently by a metathesis reaction of identical or different olefins while preventing the lowering in metathesis catalyst activity due to trace impurities such as heteroatom-containing compounds that are contained in a starting olefin. The olefin production process includes supplying a starting olefin containing more than 0 ppm by weight to not more than 10 ppm by weight of one or more kinds of heteroatom-containing compounds to a reactor that contains a metathesis catalyst and an isomerization catalyst, the metathesis catalyst including at least one metal element selected from the group consisting of tungsten, molybdenum and rhenium, the isomerization catalyst including calcined hydrotalcite or yttrium oxide, and performing a metathesis reaction of identical or different olefins.
Bibliography:Application Number: KR20117003643