公开(公告)号：DE2136396A1

公开(公告)日：1973-02-08

申请号：DE2136396

申请日：1971-07-21

Applicant: BASF AG

Inventor： DUEMBGEN GERD DR ,  ENGELBACH HEINZ DR ,  FREY WALTER DR ,  KRABETZ RICHARD DR ,  LEBERT ULRICH DR ,  SPITZL HERMANN DIPL ING ,  THIESSEN FRITZ DR ,  WILLERSINN CARL-HEINZ DR

IPC: C07C51/25 ,  C07C51/48 ,  C07C57/07 ,  C07C57/04

Abstract: Acrylic acid practically devoid of water, acrolein, formaldehyde and acetic acid is obtained at particularly low cost by countercurrent scrubbing and quenching of the reaction gas formed in the catalytic oxidation of propylene and/or acrolein with a high-boiling, extremely hydrophobic solvent followed by processing of the extract.