ATE97117T1 - Verbesserte beseitigung von phosphaten in der abwasserbehandlung mit belebtschlammverfahren. - Google Patents
Verbesserte beseitigung von phosphaten in der abwasserbehandlung mit belebtschlammverfahren.Info
- Publication number
- ATE97117T1 ATE97117T1 AT90110439T AT90110439T ATE97117T1 AT E97117 T1 ATE97117 T1 AT E97117T1 AT 90110439 T AT90110439 T AT 90110439T AT 90110439 T AT90110439 T AT 90110439T AT E97117 T1 ATE97117 T1 AT E97117T1
- Authority
- AT
- Austria
- Prior art keywords
- phosphate
- sludge
- stripping zone
- zone
- stripping
- 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
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/906—Phosphorus containing
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Microbiology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Removal Of Specific Substances (AREA)
- Activated Sludge Processes (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/374,137 US4956094A (en) | 1988-12-22 | 1989-07-21 | Enhanced phosphate removal from bod-containing wastewater |
EP90110439A EP0408878B1 (de) | 1989-07-21 | 1990-06-01 | Verbesserte Beseitigung von Phosphaten in der Abwasserbehandlung mit Belebtschlammverfahren |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE97117T1 true ATE97117T1 (de) | 1993-11-15 |
Family
ID=23475467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT90110439T ATE97117T1 (de) | 1989-07-21 | 1990-06-01 | Verbesserte beseitigung von phosphaten in der abwasserbehandlung mit belebtschlammverfahren. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4956094A (de) |
EP (1) | EP0408878B1 (de) |
AT (1) | ATE97117T1 (de) |
DE (1) | DE69004507T2 (de) |
DK (1) | DK0408878T3 (de) |
ES (1) | ES2047758T3 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5252214A (en) * | 1987-02-27 | 1993-10-12 | Gunter Lorenz | Biological dephosphatization and (de)nitrification |
DE4239184C1 (de) * | 1992-11-21 | 1993-10-07 | Burghardt Dipl Chem Elster | Anlage zur biologischen Eliminierung von Phosphat aus Abwasser |
FR2711558B1 (fr) * | 1993-10-22 | 1996-01-05 | Atochem Elf Sa | Procédé d'élimination des déchets du P4S10. |
CA2267690C (en) * | 1998-04-03 | 2003-02-18 | Joseph Dorica | Process for reducing production of biomass during activated sludge treatment of pulp and paper mill effluents |
JP3307878B2 (ja) * | 1998-06-15 | 2002-07-24 | 神鋼パンテツク株式会社 | 有機性廃水の処理方法及びその処理装置 |
GB9820914D0 (en) * | 1998-09-26 | 1998-11-18 | Univ Belfast | Process |
US6464875B1 (en) | 1999-04-23 | 2002-10-15 | Gold Kist, Inc. | Food, animal, vegetable and food preparation byproduct treatment apparatus and process |
US6218174B1 (en) | 1999-05-12 | 2001-04-17 | Gene E. Keyser | Purification of fluids and control of solute concentrations through selective degasification |
US6660163B2 (en) | 2001-03-02 | 2003-12-09 | Daniel Robert Miklos | Waste treatment with control over biological solids |
US7854842B2 (en) | 2001-03-02 | 2010-12-21 | Daniel Robert Miklos | Apparatus and methods for control of waste treatment processes |
US6712970B1 (en) * | 2002-01-11 | 2004-03-30 | Enviroquip, Inc. | Sewage treatment process with phosphorus removal |
FR2844787A1 (fr) * | 2002-09-25 | 2004-03-26 | Ondeo Degremont | Procede et dispositif de reduction des boues des stations de traitement biologique d'eaux residuaires |
FR2844788A1 (fr) * | 2002-09-25 | 2004-03-26 | Ondeo Degremont | Procede et dispositif de reduction des boues des stations de traitements biologiques d'eaux residuaires |
US7172699B1 (en) | 2004-10-13 | 2007-02-06 | Eimco Water Technologies Llc | Energy efficient wastewater treatment for nitrogen and phosphorus removal |
US7344643B2 (en) | 2005-06-30 | 2008-03-18 | Siemens Water Technologies Holding Corp. | Process to enhance phosphorus removal for activated sludge wastewater treatment systems |
AU2006287178B2 (en) | 2005-09-02 | 2011-03-17 | Evoqua Water Technologies Llc | Screening of inert solids from a low-yield wastewater treatment process |
US7473364B2 (en) | 2006-03-07 | 2009-01-06 | Siemens Water Technologies Corp. | Multivalent metal ion management for low sludge processes |
US8894856B2 (en) | 2008-03-28 | 2014-11-25 | Evoqua Water Technologies Llc | Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods |
US8623213B2 (en) | 2008-03-28 | 2014-01-07 | Siemens Water Technologies Llc | Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods |
MX2012006387A (es) * | 2009-12-01 | 2012-10-03 | Dayong Li | Metodos y aparatos para el tratamiento de lodos y el uso del mismo para el tratamiento biologico de aguas residuales. |
WO2011068931A1 (en) * | 2009-12-03 | 2011-06-09 | Siemens Industry, Inc. | Systems and methods for nutrient removal in biological treatment systems |
CN103402926A (zh) | 2010-04-21 | 2013-11-20 | 西门子私人有限公司 | 废水处理系统和方法 |
EP2606008A4 (de) | 2010-08-18 | 2014-07-23 | Evoqua Water Technologies Llc | Hybridsystem zur stabilisierung durch kontakt und primärflotation |
US9359236B2 (en) | 2010-08-18 | 2016-06-07 | Evoqua Water Technologies Llc | Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle |
EP2460771A1 (de) * | 2010-12-06 | 2012-06-06 | National University of Ireland, Galway | Anaerober Reaktor für psychrophile und/oder mesophile Abwasserbehandlung |
CA2909559C (en) | 2013-05-06 | 2022-01-18 | Michael L. Doyle | Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle |
CN109081509B (zh) * | 2018-08-29 | 2021-06-25 | 戚汝常 | 一种适用于低、高碳氮比的污水处理系统及工艺 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3236766A (en) | 1964-03-31 | 1966-02-22 | Hazleton Lab Inc | Sewage treatment process |
US3654146A (en) | 1971-02-03 | 1972-04-04 | Biospherics Inc | Aerobic removal of phosphate from activated sludge |
US3681235A (en) | 1971-03-11 | 1972-08-01 | Biospherics Inc | Internal precipitation of phosphate from activated sludge |
US3654147A (en) | 1971-03-16 | 1972-04-04 | Biospherics Inc | Nitrate removal from sewage |
US3730882A (en) | 1972-06-13 | 1973-05-01 | Biospherics Inc | Internal precipitation of phosphate in settling zone |
US3756946A (en) | 1972-06-13 | 1973-09-04 | Biospherics Inc | Sewage treatment process |
SU784754A3 (ru) * | 1975-06-04 | 1980-11-30 | Юнион Карбид Корпорейшн (Фирма) | Способ биохимической очистки сточных вод, содержащих фосфор |
US4042493A (en) * | 1975-10-28 | 1977-08-16 | Union Carbide Corporation | Phosphate removal from BOD-containing wastewater |
US4175041A (en) | 1977-10-05 | 1979-11-20 | Union Carbide Corporation | Apparatus for degassing floating sludge |
US4183808A (en) * | 1977-11-23 | 1980-01-15 | Union Carbide Corporation | Phosphate removal from wastewater |
EP0087092B1 (de) * | 1982-02-23 | 1984-12-05 | Linde Aktiengesellschaft | Verfahren und Vorrichtung zur biologischen Reinigung von phosphathaltigem Abwasser |
DE3206444A1 (de) * | 1982-02-23 | 1983-09-01 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zur biologischen reinigung von phosphathaltigem abwasser |
JPS59109295A (ja) * | 1982-12-13 | 1984-06-23 | Kurita Water Ind Ltd | 汚泥処理方法 |
US4488968A (en) * | 1983-03-07 | 1984-12-18 | Air Products And Chemicals, Inc. | Removal of phosphates and BOD from wastewaters |
-
1989
- 1989-07-21 US US07/374,137 patent/US4956094A/en not_active Expired - Lifetime
-
1990
- 1990-06-01 DE DE90110439T patent/DE69004507T2/de not_active Revoked
- 1990-06-01 EP EP90110439A patent/EP0408878B1/de not_active Revoked
- 1990-06-01 AT AT90110439T patent/ATE97117T1/de not_active IP Right Cessation
- 1990-06-01 ES ES90110439T patent/ES2047758T3/es not_active Expired - Lifetime
- 1990-06-01 DK DK90110439T patent/DK0408878T3/da active
Also Published As
Publication number | Publication date |
---|---|
ES2047758T3 (es) | 1994-03-01 |
EP0408878B1 (de) | 1993-11-10 |
DK0408878T3 (da) | 1994-03-21 |
DE69004507T2 (de) | 1994-05-11 |
US4956094A (en) | 1990-09-11 |
EP0408878A1 (de) | 1991-01-23 |
DE69004507D1 (de) | 1993-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
RZN | Patent revoked |