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1.发明公开VERFAHREN ZUR AUFREINIGUNG VON ABWÄSSERN AUS DER AUFARBEITUNG VON ROHEN AROMATISCHEN NITROVERBINDUNGEN 有权METHOD FOR废水从原料芳族硝基化合物的处理纯化
公开(公告)号：EP2742003A1
公开(公告)日：2014-06-18
申请号：EP12745486.6
申请日：2012-08-07
Applicant: BASF SE
Inventor： DECKERT, Petra , DENISSEN, Leo , VAN DE VOORDE, Bart , LESCHINSKI, Julia , DEIBEL, Stefan, Robert , FANKHÄNEL, Matthias , NETO, Samuel
IPC: C02F1/02 , C02F1/26 , B01D11/04 , C07C201/16 , C02F101/38 , C02F103/36 , C02F101/32
CPC classification number: C02F1/02 , C02F1/26 , C02F2101/325 , C02F2101/38 , C02F2103/36 , C07C201/16
Abstract: The invention relates to a method for purifying crude aromatic nitro compounds produced by the nitration of aromatic compounds, said method comprising performing the following washing stage (a) one or more times: (a) bringing the crude aromatic nitro compound (N-ein) into contact with an aqueous phase (W-res) and subsequent phase separation, maintaining an organic phase (N-res) and an aqueous phase (W-res), at least one demulgator (D) being present in one or more of the washing stages (a).
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2.发明授权VERFAHREN ZUR AUFREINIGUNG VON ABWÄSSERN AUS DER AUFARBEITUNG VON ROHEN AROMATISCHEN NITROVERBINDUNGEN 有权METHOD FOR废水从原料芳族硝基化合物的处理纯化
公开(公告)号：EP2742003B1
公开(公告)日：2015-07-08
申请号：EP12745486.6
申请日：2012-08-07
Applicant: BASF SE
Inventor： DECKERT, Petra , DENISSEN, Leo , VAN DE VOORDE, Bart , LESCHINSKI, Julia , DEIBEL, Stefan, Robert , FANKHÄNEL, Matthias , NETO, Samuel
IPC: C02F1/02 , C02F1/26 , B01D11/04 , C07C201/16 , C02F101/38 , C02F103/36 , C02F101/32
CPC classification number: C02F1/02 , C02F1/26 , C02F2101/325 , C02F2101/38 , C02F2103/36 , C07C201/16
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