ES2047758T3 - Eliminacion mejorada de fosfato en un procedimiento de lodo activado para el tratamiento de aguas residuales. - Google Patents

Eliminacion mejorada de fosfato en un procedimiento de lodo activado para el tratamiento de aguas residuales.

Info

Publication number
ES2047758T3
ES2047758T3 ES90110439T ES90110439T ES2047758T3 ES 2047758 T3 ES2047758 T3 ES 2047758T3 ES 90110439 T ES90110439 T ES 90110439T ES 90110439 T ES90110439 T ES 90110439T ES 2047758 T3 ES2047758 T3 ES 2047758T3
Authority
ES
Spain
Prior art keywords
phosphate
sludge
stripping zone
zone
stripping
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES90110439T
Other languages
English (en)
Inventor
Gilbert V Levin
Ronald R Wright
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dominari Holdings Inc
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=ES2047758(T3) "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 ES2047758T3 publication Critical patent/ES2047758T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)

Abstract

SE DESCUBRE UN PROCESO DE TRATAMIENTO DE AGUAS RESIDUALES QUE COMPRENDE LA AIREACION DE UN LIQUIDO QUE CONTIENE AGUAS RESIDUALES CONTENIENDO FOSFATO Y LA ACTIVACION DEL LODO RESIDUAL EN LA AIREACION EN UNA ZONA CON OXIGENO PURO, CON OBJETO DE REDUCIR EL CONTENIDO BOD/COD DEL AGUS RESIDUAL Y QUE PRODUCE LA APARICION DE MICROORGANISMOS EN LAS AGUAS RESIDUALES. EN PRIMER LUGAR, SE TOMA EL LODO ENRIQUECIDO CON FOSFATO Y SE SEPARAN LOS RESIDUOS SOLIDOS DEL LODO, CON OBJETO DE DEJAR UN LIQUIDO RICO EN FOSFATO. SE PASA AL MENOS UNA PARTE DE DICHO LODO A UNA ZONA DE PREELIMINACION DEL FOSFATO, BIEN EN UN TANQUE SEPARADO O BIEN DENTRO DEL MISMO TANQUE DE ELIMINACION DE FOSFATO; AQUI, EL AGUA CON BOD/COD, QUE CONTIENE AL MENOS 50 MG/L DE BOD, ES A/ADIDA A LOS ORGANISMOS DEL LODO PARA COMENZAR UNA RAPIDA LIBERACION DEL FOSFATO DISUELTO. DE AQUI SE PASA EL FOSFATO A LA ZONA DE ELIMINACION DEL FOSFATO. EN ESTA, EL LODO SE POSA HASTA FORMAR UNA NATA SOBRE EL LIQUIDO EN LA PARTE SUPERIOR DE LA ZONA DE ELLIMINACION Y UN POSOS EN LA PARTE INFERIOR DE DICHA ZONA. ESTA NATA Y POSO SE MANTIENEN BAJO CONDICONES ANAEROBICAS DURANTE UN TIEMPO SUFICIENTE COMO PARA COMPLETAR LA LIBERACION DE LA CANTIDAD DESEADA DE FOSFATO. AL MENOS PARTE DE ESTE LODO ANAEROBICO ES RECICLADO COMO LODO ACTIVADO EN LA AIREACION DE LA ZONA DE OXIGENO PURO. LA NATA RICA EN FOSFATO DE LA ZONA DE ELIMINACION PUEDE APLICARSE DIRECTAMENTE A LA TIERRA, O TRATARSE CON UN AGENTE QUIMICO PRECIPITADOR PARA PRECIPITAR EL FOSFATO Y ENTONCES RETIRAR ESTE A TRAVES DEL USO DE UN REACTOR/ACLARADOR, ACLARADOR PRIMARIO O SECUNDARIO, U OTRO TIPO DE TANQUE, PREPARANDO ASI EL FOSFATO PARA RETIRARLO FINALMENTE Y DEJAR UN LODO FRESCO, DIGERIBLE O TRATARLO DE ALGUNA FORMA.
ES90110439T 1989-07-21 1990-06-01 Eliminacion mejorada de fosfato en un procedimiento de lodo activado para el tratamiento de aguas residuales. Expired - Lifetime ES2047758T3 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES2047758T3 true ES2047758T3 (es) 1994-03-01

Family

ID=23475467

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90110439T Expired - Lifetime ES2047758T3 (es) 1989-07-21 1990-06-01 Eliminacion mejorada de fosfato en un procedimiento de lodo activado para el tratamiento de aguas residuales.

Country Status (6)

Country Link
US (1) US4956094A (es)
EP (1) EP0408878B1 (es)
AT (1) ATE97117T1 (es)
DE (1) DE69004507T2 (es)
DK (1) DK0408878T3 (es)
ES (1) ES2047758T3 (es)

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
US7569147B2 (en) 2005-09-02 2009-08-04 Siemens Water Technologies Corp. Screening of inert solids from a low-yield wastewater treatment process
WO2007103499A2 (en) 2006-03-07 2007-09-13 Siemens Water Technologies Corp. Multivalent metal ion management for low sludge processes
US8894857B2 (en) 2008-03-28 2014-11-25 Evoqua Water Technologies Llc Methods and systems for treating wastewater
MX2010010532A (es) * 2008-03-28 2010-11-05 Siemens Water Tech Corp Sistemas y metodos hibridos de tratamiento aerobico y anaerobico de aguas residuales y lodos.
US8894856B2 (en) 2008-03-28 2014-11-25 Evoqua Water Technologies Llc Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods
US8932466B2 (en) * 2009-12-01 2015-01-13 Jinmin Li Method and apparatus for sluge treatment and use thereof in sewage biotreatment
US8685247B2 (en) * 2009-12-03 2014-04-01 Evoqua Water Technologies Llc Systems and methods for nutrient removal in biological treatment systems
US9359236B2 (en) 2010-08-18 2016-06-07 Evoqua Water Technologies Llc Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle
WO2012024279A1 (en) 2010-08-18 2012-02-23 Siemens Industry, Inc. Contact-stabilization/prime-float hybrid
EP2460771A1 (en) * 2010-12-06 2012-06-06 National University of Ireland, Galway An anaerobic reactor for psychrophilic and/or mesophilic wastewater treatment
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
US3756946A (en) 1972-06-13 1973-09-04 Biospherics Inc Sewage treatment process
US3730882A (en) 1972-06-13 1973-05-01 Biospherics Inc Internal precipitation of phosphate in settling zone
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

Also Published As

Publication number Publication date
DK0408878T3 (da) 1994-03-21
EP0408878A1 (en) 1991-01-23
DE69004507D1 (de) 1993-12-16
US4956094A (en) 1990-09-11
EP0408878B1 (en) 1993-11-10
ATE97117T1 (de) 1993-11-15
DE69004507T2 (de) 1994-05-11

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