METHOD FOR REMOVING COBALT DEPOSITS IN A HIGH-PRESSURE OLEFIN HYDROFORMYLATION REACTOR

Method of removing cobalt deposits in a reactor for the cobalt-catalyzed high-pressure hydroformylation of olefins by treatment with aqueous nitric acid, wherein the reactor is at least partly filled with aqueous nitric acid and the temperature of the aqueous nitric acid is increased during the trea...

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Bibliographic Details
Main Authors RUDOLPH, Jens, PAPP, Rainer
Format Patent
LanguageEnglish
French
German
Published 21.06.2017
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
CLEANING
CLEANING IN GENERAL
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PREVENTION OF FOULING IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:Method of removing cobalt deposits in a reactor for the cobalt-catalyzed high-pressure hydroformylation of olefins by treatment with aqueous nitric acid, wherein the reactor is at least partly filled with aqueous nitric acid and the temperature of the aqueous nitric acid is increased during the treatment.
Bibliography:Application Number: EP20140744585