公开(公告)号：US12297167B2

公开(公告)日：2025-05-13

申请号：US17793668

申请日：2021-01-11

Applicant: BASF SE

Inventor： Maximilian Vicari ,  Susanne Britzius ,  Sven Reining ,  Torsten Katz ,  Thomas Geiger ,  Gerald Meyer

IPC: C07C29/151 ,  C07C29/154 ,  C07C31/04

Abstract: A process for preparing methanol from carbon dioxide and hydrogen in a methanol synthesis unit and working up the reaction mixture obtained stepwise to isolate the methanol, wherein the carbon dioxide, carbon monoxide, dimethyl ether and methane components of value from the streams separated off in the isolation of the methanol from the methanol reaction stream are combusted with an oxygenous gas, and the carbon dioxide in the resultant flue gas is separated off in a carbon dioxide recovery unit and recycled to the methanol synthesis unit.