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公开(公告)号:DE4107972A1
公开(公告)日:1992-09-17
申请号:DE4107972
申请日:1991-03-13
Applicant: BASF AG
Inventor: BAUR KARL GERHARD DR , DOCKNER TONI DR , KANNE ULRICH DR , PAPKALLA THOMAS DR
Abstract: A process for breaking down aromatic nitro compounds in waste waters from plants for the production of nitrobenzene by treatment with nitric acid is carried out at from 180 DEG to 350 DEG C. and under a pressure of from 40 to 250 bar.