公开(公告)号：BRPI0515904A

公开(公告)日：2008-08-12

申请号：BRPI0515904

申请日：2005-09-22

Applicant: BASF AG

Inventor： TELES JOAQUIM HENRIQUE ,  SSLER BEATRICE R ,  GENGER THOMAS ,  GLASS ANDREAS ,  BAUMANN DIETER ,  NING JAN-MARTIN L

IPC: C07C45/28 ,  B01D53/14 ,  C01B21/22 ,  C07C49/00

Abstract: The present invention relates to a process for purifying a gas mixture comprising dinitrogen monoxide and to the use of a gas mixture purified in this way as an oxidant for olefins. In a further embodiment, the present invention also relates to a process for preparing ketones comprising the oxidation of an olefin with a gas mixture which has been purified in accordance with the invention and comprises dinitrogen monoxide.