System for enhancing a wastewater treatment process
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C02F-003/00
B01D-024/00
출원번호
US-0461641
(2012-05-01)
등록번호
US-8506800
(2013-08-13)
발명자
/ 주소
Woodard, Steven
Marston, Peter G.
Wechsler, Ionel
출원인 / 주소
Siemens Industry, Inc.
인용정보
피인용 횟수 :
6인용 특허 :
204
초록▼
A system for enhancing an activated sludge process including at least one biological reactor. A weighting agent impregnation subsystem is coupled to the biological reactor for mixing biological flocs and weighting agent to impregnate the weighting agent into the biological flocs to form weighted bio
A system for enhancing an activated sludge process including at least one biological reactor. A weighting agent impregnation subsystem is coupled to the biological reactor for mixing biological flocs and weighting agent to impregnate the weighting agent into the biological flocs to form weighted biological flocs. A weighting agent recovery subsystem is configured to recover the weighting agent from the weighted biological flocs and reintroducing the recovered weighting agent to the weighting agent impregnation subsystem.
대표청구항▼
1. A system for providing a treated effluent comprising: a biological reactor comprising at least one sequencing batch reactor connected to a source of wastewater;a weighting agent impregnation tank connected to a first outlet and an inlet of the biological reactor;a source of a weighting agent conn
1. A system for providing a treated effluent comprising: a biological reactor comprising at least one sequencing batch reactor connected to a source of wastewater;a weighting agent impregnation tank connected to a first outlet and an inlet of the biological reactor;a source of a weighting agent connected to an inlet of the weighting agent impregnation tank; anda separator connected to a second outlet of the biological reactor and an inlet of the weighting agent impregnation tank. 2. The system of claim 1, wherein the weighting agent comprises magnetite. 3. The system of claim 1, further comprising an outlet of the separator connected to a wasting subsystem. 4. The system of claim 1, wherein the weighting agent has a particle size less than about 100 μm. 5. The system of claim 4, wherein the weighting agent has a particle size less than about 40 μm. 6. The system of claim 5, wherein the weighting agent has a particle size less than about 20 μm. 7. The system of claim 1, wherein the separator is selected from the group consisting of a shear mill, a centrifugal separator, an ultrasonic separator, and a wet drum magnetic separator. 8. The system of claim 1, wherein a weighting agent feeder subsystem is connected to an inlet of the weighting agent impregnation tank. 9. The system of claim 8, wherein the weighting agent feeder subsystem comprises a pneumatic feeder subsystem. 10. The system of claim 9, wherein the source of weighting agent comprises a weighting agent storage tank. 11. The system of claim 10, wherein the pneumatic feeder subsystem comprises a porous media disposed on at least a portion of an inside surface of the weighting agent storage tank. 12. The system of claim 1, wherein the biological reactor comprises an aeration tank. 13. The system of claim 1, wherein the biological reactor comprises an anaerobic reactor. 14. The system of claim 1, wherein the biological reactor comprises an anoxic zone and an anaerobic zone. 15. The system of claim 1, further comprising a source of flocculant fluidly connected to at least one of the source of wastewater and the second outlet of the biological reactor. 16. The system of claim 1, further comprising a source of coagulant fluidly connected to at least one of the biological reactor and the weighting agent impregnation tank. 17. The system of claim 1, further comprising a clarifier positioned downstream from the biological reactor. 18. The system of claim 17, wherein the weighting agent impregnation tank is positioned downstream from the biological reactor and upstream of the clarifier. 19. A system for providing a treated effluent comprising: a biological reactor connected to a source of wastewater;a weighting agent impregnation tank connected to a first outlet and an inlet of the biological reactor;a source of a weighting agent comprising a weighting agent storage tank, the source of weighting agent connected to an inlet of the weighting agent impregnation tank;a separator connected to a second outlet of the biological reactor and an inlet of the weighting agent impregnation tank; anda weighting agent feeder subsystem comprising a pneumatic feeder subsystem, the weighting agent feeder subsystem connected to an inlet of the weighting agent impregnation tank, and the pneumatic feeder subsystem comprising a porous media disposed on at least a portion of an inside surface of the weighting agent storage tank. 20. The system of claim 19, wherein the weighting agent comprises magnetite. 21. The system of claim 19, further comprising an outlet of the separator connected to a wasting subsystem. 22. The system of claim 19, wherein the weighting agent has a particle size less than about 100 μm. 23. The system of claim 22, wherein the weighting agent has a particle size less than about 40 μm. 24. The system of claim 23, wherein the weighting agent has a particle size less than about 20 μm. 25. The system of claim 19, wherein the separator is selected from the group consisting of a shear mill, a centrifugal separator, an ultrasonic separator, and a wet drum magnetic separator. 26. The system of claim 19, wherein the biological reactor comprises an aeration tank. 27. The system of claim 19, wherein the biological reactor comprises at least one sequencing batch reactor. 28. The system of claim 19, wherein the biological reactor comprises an anaerobic reactor. 29. The system of claim 19, wherein the biological reactor comprises an anoxic zone and an anaerobic zone. 30. The system of claim 19, further comprising a source of flocculant fluidly connected to at least one of the source of wastewater and the second outlet of the biological reactor. 31. The system of claim 19, further comprising a source of coagulant fluidly connected to at least one of the biological reactor and the weighting agent impregnation tank. 32. The system of claim 19, further comprising a clarifier positioned downstream from the biological reactor. 33. The system of claim 32, wherein the weighting agent impregnation tank is positioned downstream from the biological reactor and upstream of the clarifier.
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