公开(公告)号：DE19533715A1

公开(公告)日：1997-03-13

申请号：DE19533715

申请日：1995-09-12

Applicant: BASF AG

Inventor： FETZER THOMAS DR ,  WAGNER ECKHART DR ,  SCHUMACHER VOLKER DR ,  BUERGER GERT DR ,  ROETH EMIL DIPL ING ,  RUPPEL WILHELM DR ,  WISTUBA HERMANN DR ,  OTTO BERNHARD DR

IPC: B01D53/56 ,  B01D53/77 ,  B01D53/86 ,  C01B21/38 ,  C01B21/40

Abstract: The invention concerns a method of removing nitrogen oxides from a gas flow. The gas flow is guided: (A) through a stage in which the nitrogen oxides, apart from N2O, are absorbed in an absorption agent, or the nitrogen oxides, apart from N2O, are reacted with an absorption agent at a pressure of between 1.5 and 20 bar; and (B) through a stage for reducing the N2O content, preferably using the pressure level prevailing in step (A). The invention further concerns a device for carrying out this method and the use thereof.