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
Application number
AT90110439T
Other languages
English (en)
Inventor
Gilbert V Levin
Ronald R Wright
Original Assignee
Biospherics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23475467&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE97117(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Biospherics Inc filed Critical Biospherics Inc
Application granted granted Critical
Publication of ATE97117T1 publication Critical patent/ATE97117T1/de

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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Activated Sludge Processes (AREA)
  • Chemical Treatment Of Metals (AREA)
AT90110439T 1989-07-21 1990-06-01 Verbesserte beseitigung von phosphaten in der abwasserbehandlung mit belebtschlammverfahren. ATE97117T1 (de)

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)

* Cited by examiner, † Cited by third party
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
US7854842B2 (en) * 2001-03-02 2010-12-21 Daniel Robert Miklos Apparatus and methods for control of waste treatment processes
US6660163B2 (en) 2001-03-02 2003-12-09 Daniel Robert Miklos Waste treatment with control over biological solids
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
WO2009120384A2 (en) * 2008-03-28 2009-10-01 Siemens Water Technologies Corp. Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods
US8894856B2 (en) * 2008-03-28 2014-11-25 Evoqua Water Technologies Llc Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods
KR101601193B1 (ko) * 2009-12-01 2016-03-21 리진민 슬러지 처리방법 및 장치, 이를 이용한 오염수의 생물적 처리방법 및 장치
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
CN103068748A (zh) 2010-08-18 2013-04-24 西门子工业公司 接触-稳定/初期-浮选混合
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
GB2527989B (en) 2013-05-06 2020-04-22 Evoqua Water Tech Llc 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)

* Cited by examiner, † Cited by third party
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
DE3360019D1 (en) * 1982-02-23 1985-01-17 Linde Ag Process and device for the biological purification of waste water containing phosphate
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

Also Published As

Publication number Publication date
DK0408878T3 (da) 1994-03-21
DE69004507D1 (de) 1993-12-16
EP0408878A1 (de) 1991-01-23
EP0408878B1 (de) 1993-11-10
DE69004507T2 (de) 1994-05-11
ES2047758T3 (es) 1994-03-01
US4956094A (en) 1990-09-11

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Legal Events

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UEP Publication of translation of european patent specification
RZN Patent revoked