METHOD OF DEHYDRATING 3-HYDROXYPROPIONIC ACID TO FORM ACRYLIC ACID

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RAITH, Christian, WÖRZ, Nicolai Tonio, HARTMANN, Marco, BLASCHKE, Tim, LANG, Ortmund, ZAJACZKOWSKI-FISCHER, Marta
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung: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.