METHOD FOR THE PRODUCTION OF 1,4-BUTANEDIOL

The present invention provides an integrated process for continuously preparing 1,4-butanediol, which comprises the following stages: (I) reacting formaldehyde with acetylene in the presence of a copper catalyst at a pH of from 5 to 8 and a molar ratio of formaldehyde to acetylene of at most 2:1, (I...

Full description

Saved in:
Bibliographic Details
Main Authors BESTE, York Alexander, PINKOS, Rolf, LORENZ, Rudolf Erich
Format Patent
LanguageEnglish
French
German
Published 07.06.2017
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
Online AccessGet full text

Cover

More Information
Summary:The present invention provides an integrated process for continuously preparing 1,4-butanediol, which comprises the following stages: (I) reacting formaldehyde with acetylene in the presence of a copper catalyst at a pH of from 5 to 8 and a molar ratio of formaldehyde to acetylene of at most 2:1, (II) intermediately buffering the resulting butynediol-containing aqueous mixture for from 0.1 to 100 h, (III) hydrogenating the mixture obtained after the intermediate buffering and (IV) distilling the hydrogenation product obtained in stage III to obtain 1,4-butanediol.
Bibliography:Application Number: EP20070726908