Basf Se Corporation

Yan Li

Frank Rosowski

Nicolai Tonio Woerz

Stefan Altwasser

Marco Hartmann

Catharina Horstmann

Michael Krämer

Tim Blaschke

Annebart Engbert Wentink

Feelly Ruether

Lukas Schulz

A process for obtaining acrylic acid, comprising (a) providing a liquid stream S7 comprising acetic acid and acrylic acid, where the molar ratio of acetic acid to acrylic acid in stream S7 is greater than 1:1, (b-1) crystallizing a portion of the acetic acid present in stream S7 to obtain solid crystallized acetic acid in its mother liquor, (b-2) separating the mother liquor from the acetic acid crystallized in (b-1) to obtain the solid crystallized acetic acid and a liquid stream S8 comprising acrylic acid and acetic acid, (c) separating stream S8 into at least one stream S10 depleted of acrylic acid compared to S8 and a stream S11 enriched in acrylic acid compared to S8.

Process for obtaining acrylic acid

A process for preparing C-C-oxygenates from a reactant stream A which comprises essentially a C-C-alkane or a mixture of C-C-alkanes, by

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Growing community of inventors

Mannheim, Germany

Yan Li