METHODS AND DEVICES FOR THE PRODUCTION OF AQUEOUS SOLUTIONS OF CYANOPYRIDINES

Subject of the invention is a method for the production of a cyanopyridine, wherein (A) a gaseous reaction product comprising the cyanopyridine is produced in a reactor, (B) the gaseous reaction product is quenched with water in a column (2) and a gaseous phase is obtained, which is depleted from at...

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Bibliographic Details
Main Authors ZENKLUSEN, Anton, PIANZOLA, Daniel
Format Patent
LanguageChinese
English
Published 25.01.2013
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:Subject of the invention is a method for the production of a cyanopyridine, wherein (A) a gaseous reaction product comprising the cyanopyridine is produced in a reactor, (B) the gaseous reaction product is quenched with water in a column (2) and a gaseous phase is obtained, which is depleted from at least a portion of the cyanopyridine, (C) the gaseous phase is transferred to a condenser, in which a condensate is obtained, and the gaseous phase is depleted from at least a portion of the water, and (D) the gaseous phase from the condenser is passed through at least one heat exchanger. Another subject of the invention is a device for carrying out the invention.
Bibliography:Application Number: HK20120110159