公开(公告)号：MY138351A

公开(公告)日：2009-05-29

申请号：MYPI20043895

申请日：2004-09-23

Applicant: BASF AG

Inventor： REIF WOLFGANG DR ,  HAMMER HANS ,  RUIDER G XDCNTHER DR ,  MEIER ANTON DR ,  BUSKENS PHILIP DR ,  FRAUENKRON MATTHIAS DR

IPC: C07C213/10 ,  C07C215/12

Abstract: PROCESS FOR SEPARATING TRIETHANOLAMINE CONTINUOUSLY BY DISTILLATION FROM A MIXTURE OF MONOETHANOLAMINE, DIETHANOLAMINE AND TRIETHANOLAMINE TOGETHER WITH ETHANOLAMINE ETHERS AND WATER OBTAINED BY REACTION OF AMMONIA WITH ETHYLENE OXIDE IN THE LIQUID PHASE UNDER SUPERATMOSPHERIC PRESSURE AND AT ELEVATED TEMPERATURE, IN WHICH THE MIXTURE IS DISTILLED IN TWO STAGES. THE LOW-BOILING FRACTION AND THE HIGH-BOILING FRACTION ARE TAKEN OFF AND DISCHARGED IN THE FIRST STAGE AND THE INTERMEDIATE-BOILING FRACTION COMPRISING > 99.4% BY WEIGHT OF TRIETHANOLAMINE AND