公开(公告)号：CA1040324A

公开(公告)日：1978-10-10

申请号：CA218727

申请日：1975-01-27

Applicant: BASF AG

Inventor： HESS KLAUS ,  STICKEL RICHARD ,  NAGEL OTTO ,  SINN RICHARD ,  DAUCHER HANS

IPC: C02F3/22 ,  B01F3/04 ,  B01F3/08 ,  B01F5/00 ,  B01F5/02 ,  C02F3/12 ,  C02F3/26 ,  F04F5/26 ,  C02C1/08

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.

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.