WO2010122500A3 - Method for depuration of wastewaters with reduction of sludge production and plant thereof - Google Patents
Method for depuration of wastewaters with reduction of sludge production and plant thereof Download PDFInfo
- Publication number
- WO2010122500A3 WO2010122500A3 PCT/IB2010/051736 IB2010051736W WO2010122500A3 WO 2010122500 A3 WO2010122500 A3 WO 2010122500A3 IB 2010051736 W IB2010051736 W IB 2010051736W WO 2010122500 A3 WO2010122500 A3 WO 2010122500A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plant
- depuration
- wastewaters
- reduction
- solid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
Method, and plant thereof, for reducing the amount of surplus sludge produced in a wastewater treatment plant, the sludge comprises an organic matrix with a solid fraction and a cellular fraction; the method comprises : a) reducing the dimensions of the components of the solid and cellular fractions; and b) hydrolysis - at room temperature - of the components of the solid and cellular fractions having dimensions reduced in step a).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2009A000314A IT1398570B1 (en) | 2009-04-21 | 2009-04-21 | PROCEDURE FOR WASTEWATER TREATMENT WITH REDUCTION OF MUD PRODUCTION AND ITS PLANT |
ITTO2009A000314 | 2009-04-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010122500A2 WO2010122500A2 (en) | 2010-10-28 |
WO2010122500A3 true WO2010122500A3 (en) | 2010-12-23 |
Family
ID=41351518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2010/051736 WO2010122500A2 (en) | 2009-04-21 | 2010-04-20 | Method for depuration of wastewaters with reduction of sludge production and plant thereof |
Country Status (2)
Country | Link |
---|---|
IT (1) | IT1398570B1 (en) |
WO (1) | WO2010122500A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102070286B (en) * | 2010-11-23 | 2012-12-12 | 广东工业大学 | Method for improving sludge anoxic/aerobic digestion property by utilizing ultrasonic pretreatment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2766813A1 (en) * | 1997-08-01 | 1999-02-05 | Degremont | PROCESS AND DEVICE FOR WASTEWATER TREATMENT INCLUDING ADDITIONAL TREATMENT OF SLUDGE BY OZONATION |
WO2004050566A2 (en) * | 2002-12-05 | 2004-06-17 | Herding Gmbh Filtertechnik | Method for purifying waste water and corresponding waste water purification installation |
WO2005123611A1 (en) * | 2004-06-18 | 2005-12-29 | Bayer Healthcare Ag | Method and apparatus for continuously controlling denitrification in variable nitrogen loads in wastewater |
WO2008024445A2 (en) * | 2006-08-23 | 2008-02-28 | Siemens Water Technologies Corp. | Sequencing batch reactor with continuous membrane filtration and solids reduction |
-
2009
- 2009-04-21 IT ITTO2009A000314A patent/IT1398570B1/en active
-
2010
- 2010-04-20 WO PCT/IB2010/051736 patent/WO2010122500A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2766813A1 (en) * | 1997-08-01 | 1999-02-05 | Degremont | PROCESS AND DEVICE FOR WASTEWATER TREATMENT INCLUDING ADDITIONAL TREATMENT OF SLUDGE BY OZONATION |
WO2004050566A2 (en) * | 2002-12-05 | 2004-06-17 | Herding Gmbh Filtertechnik | Method for purifying waste water and corresponding waste water purification installation |
WO2005123611A1 (en) * | 2004-06-18 | 2005-12-29 | Bayer Healthcare Ag | Method and apparatus for continuously controlling denitrification in variable nitrogen loads in wastewater |
WO2008024445A2 (en) * | 2006-08-23 | 2008-02-28 | Siemens Water Technologies Corp. | Sequencing batch reactor with continuous membrane filtration and solids reduction |
Also Published As
Publication number | Publication date |
---|---|
IT1398570B1 (en) | 2013-03-01 |
ITTO20090314A1 (en) | 2010-10-22 |
WO2010122500A2 (en) | 2010-10-28 |
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