公开(公告)号：US20190321774A1

公开(公告)日：2019-10-24

申请号：US16349725

申请日：2017-11-13

Applicant: BASF SE

Inventor： Boris BREITSCHEIDEL ,  Tim WELLHAUSEN ,  Friedemann GAITZSCH ,  Peter SCHUNCK ,  Olaf KRIHA ,  Stefan STAUB

IPC: B01D53/14 ,  B01D11/04 ,  B01D53/18

Abstract: A method for depleting aromatic hydrocarbon from a crude gas stream, comprising the use of an absorption medium comprising one or more compounds of the general formula (I): wherein R1a and R1b are each independently C7 to C12-alkyl and/or one or more compounds of the general formula (II): wherein R2a and R2b are each independently C7 to C12-alkyl.