公开(公告)号：WO2022117803A1

公开(公告)日：2022-06-09

申请号：PCT/EP2021/084140

申请日：2021-12-03

Applicant: BASF SE

Inventor： WEISSKER, Wolf-Steffen ,  GUTH, Josef ,  HOFEN, Kai ,  FRIEDRICH, Holger

IPC: B01D3/14 ,  C07C29/70 ,  C07C31/30 ,  B01D3/00

Abstract: The present invention relates to an integrated process for simultaneously preparing at least two mixtures comprising alkali metal methoxide and methanol in at least two parallel reactive distillation columns, wherein one rectification column is used for providing a methanol stream which is then used as methanol source for the reactive distillation columns, and wherein the top streams of said reactive distillation columns are used as methanol source for said rectification column.

公开(公告)号：EP4255599A1

公开(公告)日：2023-10-11

申请号：EP21816110.7

申请日：2021-12-03

Applicant: BASF SE

Inventor： WEISSKER, Wolf-Steffen ,  GUTH, Josef ,  HOFEN, Kai ,  FRIEDRICH, Holger

IPC: B01D3/14 ,  C07C29/70 ,  C07C31/30 ,  B01D3/00