Method of dehydrating 3-hydroxypropionic acid to form acrylic acid

The invention relates to a process for dehydrating aqueous 3-hydroxypropionic acid to acrylic acid in the liquid phase, wherein aqueous acrylic acid is removed continuously from the liquid phase and the aqueous 3-hydroxypropionic acid and/or the liquid phase have a high content of oligomeric 3-hydro...

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Bibliographic Details
Main Authors Wörz, Nicolai Tonio, Zajaczkowski-Fischer, Marta, Raith, Christian, Lang, Ortmund, Hartmann, Marco, Blaschke, Tim
Format Patent
LanguageEnglish
Published 09.04.2019
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention relates to a process for dehydrating aqueous 3-hydroxypropionic acid to acrylic acid in the liquid phase, wherein aqueous acrylic acid is removed continuously from the liquid phase and the aqueous 3-hydroxypropionic acid and/or the liquid phase have a high content of oligomeric 3-hydroxypropionic acid.
Bibliography:Application Number: US201415021286