公开(公告)号：MY144469A

公开(公告)日：2011-09-30

申请号：MYPI20083078

申请日：2007-02-08

Applicant: BASF SE

Inventor： JOHANN-PETER MELDER ,  KARIN PICKENAECKER ,  WILLEM HOFFER BRAM ,  THOMAS KRUG ,  CAUWENBERGE GUNTHER VAN ,  FRANK-FRIEDRICH PAPE

IPC: C07C209/86

Abstract: A PROCESS IS PROPOSED FOR THE DISTILLATIVE SEPARATION OF A MIXTURE COMPRISING MONOETHYLENE GLYCOL AND DIETHYLENETRIARNINE, TO FORM A STREAM (7) WHICH CONTAINS MONOETHYLENE GLYCOL AND IS LARGELY FREE FROM DIETHYLENETRIAMINE, AND A STREAM (8) WHICH CONTAINS DIETHYLENETRIAMINE AND IS LARGELY FREE FROM MONOETHYLENE GLYCOL, THE PROCESS BEING CHARACTERIZED IN THAT THE SEPARATION IS CARRIED OUT BY EXTRACTIVE DISTILLATION USING TRIETHYLENE GLYCOL AS A SELECTIVE SOLVENT FOR DIETHYLENETRIAMINE.

公开(公告)号：ZA200803204B

公开(公告)日：2009-09-30

申请号：ZA200803204

申请日：2008-04-11

Applicant: BASF SE

Inventor： ELMAR BENNE ,  WILLEM HOFFER BRAM ,  JOHANN-PETER MELDER ,  HEINZ RUETTER ,  WOLFGANG SCHLINDWEIN

IPC: C07C20090101