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11.
公开(公告)号:FI85562C
公开(公告)日:1992-05-11
申请号:FI875375
申请日:1987-12-07
Applicant: BASF AG
Inventor: MROSS WOLF DIETER , DREWS RONALD , SCHEIDSTEGER OLAF , SCHACHNER HELMUT , HESS KLAUS
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公开(公告)号:DK677887A
公开(公告)日:1988-06-25
申请号:DK677887
申请日:1987-12-22
Applicant: BASF AG
Inventor: MROSS WOLF DIETER , DREWS RONALD , SCHEIDSTEGER OLAF , SCHACHNER HELMUT , HESS KLAUS
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公开(公告)号:DK677887D0
公开(公告)日:1987-12-22
申请号:DK677887
申请日:1987-12-22
Applicant: BASF AG
Inventor: MROSS WOLF DIETER , DREWS RONALD , SCHEIDSTEGER OLAF , SCHACHNER HELMUT , HESS KLAUS
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公开(公告)号:DK146004C
公开(公告)日:1983-10-10
申请号:DK656574
申请日:1974-12-17
Applicant: BASF AG
Inventor: HESS KLAUS , STICKEL RICHARD , NAGEL OTTO , SINN RICHARD , DAUCHER HANS
IPC: B01F3/04 , C02F3/22 , B01F3/08 , B01F5/00 , B01F5/02 , C02F3/12 , C02F3/26 , F04F5/26 , C02F3/20
Abstract: Method of biologically treating waste water with gasifying nozzles producing a screw-type flow in the activated sludge system. The method provides a maximum partial pressure gradient for the transfer of oxygen to the mixture of waste water and activated sludge.
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