公开(公告)号：JP2004231659A

公开(公告)日：2004-08-19

申请号：JP2004024570

申请日：2004-01-30

Applicant: Basf Ag ,  ビーエーエスエフ アクチェンゲゼルシャフト

Inventor： CIPRIAN JUERGEN ,  FRAUENKRON MATTHIAS ,  MAURER STEPHAN ,  MELDER JOHANN-PETER DR

IPC: C07D487/08 ,  B01F1/00 ,  B01J20/26 ,  C07C209/84 ,  C07C211/09 ,  C07D497/04

CPC classification number: C07D487/08

Abstract: PROBLEM TO BE SOLVED: To provide a method for preparing triethylenediamine (TEDA) solution in an alcohol and/or an ether.
SOLUTION: The method for preparing TEDA solutions containing solvents selected from a group consisting monohydric alcohols and ethers of monohydric alcohols, comprises (a) a process passing gaseous TEDA into the solvents and (b) subsequently treating the solutions with one or more suitable adsorbents.
COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：DE10313207A1

公开(公告)日：2004-10-07

申请号：DE10313207

申请日：2003-03-25

Applicant: BASF AG

Inventor： BESTE YORK ALEXANDER ,  CIPRIAN JUERGEN ,  MAURER STEPHAN

IPC: B01D15/00 ,  B01D15/26 ,  B01D15/36 ,  B01D15/04 ,  B01D15/08

Abstract: A mixture containing ionic liquid and a substance is purified by separating the present substance by adsorptive separation processes.

公开(公告)号：DE10256579A1

公开(公告)日：2004-06-17

申请号：DE10256579

申请日：2002-12-04

Applicant: BASF AG

Inventor： WIRSING FRIEDRICH ,  TEICH FRIEDHELM ,  TRITTENBACH HELMUT ,  MAURER STEPHAN ,  SCHNEIDER THOMAS

IPC: C02F1/28 ,  C02F1/62

Abstract: Separation of ethylenediaminetetraacetic acid (EDTA) from heavy metal ion-free waste water of pH below 2.5 is effected by adsorption with activated carbon.

公开(公告)号：AT364609T

公开(公告)日：2007-07-15

申请号：AT04001777

申请日：2004-01-28

Applicant: BASF AG

Inventor： CIPRIAN JUERGEN ,  FRAUENKRON MATTHIAS ,  MAURER STEPHAN ,  MELDER JOHANN-PETER

IPC: C07D487/08 ,  B01F1/00 ,  B01J20/26 ,  C07C209/84 ,  C07C211/09 ,  C07D497/04

Abstract: Production of triethylene diamine (TEDA) solution containing a polyhydric alcohol or its ether as solvent comprises (a) passing gaseous TEDA into the solvent and (b) treating the solution with suitable adsorbent(s).

公开(公告)号：DE10302408A1

公开(公告)日：2004-07-29

申请号：DE10302408

申请日：2003-01-21

Applicant: BASF AG

Inventor： CIPRIAN JUERGEN ,  MAURER STEPHAN ,  MODES GERD ,  WEBER THEODOR

IPC: B01D53/68 ,  A62D3/00

Abstract: Removing phosgene from a gas stream comprises hydrolysis with water vapor in the presence of active carbon having a water absorption of at least 4 g/100 g at an air humidity of 10 g/m3 and at least 15 g/100 g at an air humidity of 15 g/m3.