Method of obtaining aldehydes by hydroformylation of olefins in presence of stabilised rhodium catalysts

Preparation of a 3-21C aldehyde (I) by hydroformylation of the corresponding olefin (II) with a rhodium catalyst (III) comprises: (1) separation of the discharge (A) into a gas and a liquid phase (B); (2) (B) is separated into a top fraction of unreacted (II) and (I) and a sump fraction (C) comprisi...

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Main Authors ROETTGER DIRK, KAIZIK ALFRED, TOETSCH WALTER, BUESCHKEN WILFRIED, WIESE KLAUS-DIETHER, TROCHA MARTIN
Format Patent
LanguageEnglish
Polish
Published 30.04.2009
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:Preparation of a 3-21C aldehyde (I) by hydroformylation of the corresponding olefin (II) with a rhodium catalyst (III) comprises: (1) separation of the discharge (A) into a gas and a liquid phase (B); (2) (B) is separated into a top fraction of unreacted (II) and (I) and a sump fraction (C) comprising (III); and (3) (C) is cooled below the temperature of (A) and treated with gas containing carbon monoxide (CO).
Bibliography:Application Number: PL20010349832