DK0650931T3 - Fremgangsmåde til forebyggelse af at aktiveret slam taber dets sedimenteringsevne - Google Patents

Fremgangsmåde til forebyggelse af at aktiveret slam taber dets sedimenteringsevne

Info

Publication number
DK0650931T3
DK0650931T3 DK94307682T DK94307682T DK0650931T3 DK 0650931 T3 DK0650931 T3 DK 0650931T3 DK 94307682 T DK94307682 T DK 94307682T DK 94307682 T DK94307682 T DK 94307682T DK 0650931 T3 DK0650931 T3 DK 0650931T3
Authority
DK
Denmark
Prior art keywords
losing
activated sludge
preventing activated
sedimentation ability
sedimentation
Prior art date
Application number
DK94307682T
Other languages
English (en)
Inventor
Tetsuro Fukase
Katsura Kitatsuji
Kingo Chu
Original Assignee
Kurita Water Ind Ltd
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
Priority claimed from JP26522893A external-priority patent/JP3401863B2/ja
Priority claimed from JP24039394A external-priority patent/JP3385746B2/ja
Application filed by Kurita Water Ind Ltd filed Critical Kurita Water Ind Ltd
Application granted granted Critical
Publication of DK0650931T3 publication Critical patent/DK0650931T3/da

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
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Activated Sludge Processes (AREA)
DK94307682T 1993-10-22 1994-10-19 Fremgangsmåde til forebyggelse af at aktiveret slam taber dets sedimenteringsevne DK0650931T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26522893A JP3401863B2 (ja) 1993-10-22 1993-10-22 糸状性バルキングの抑制方法および抑制剤
JP24039394A JP3385746B2 (ja) 1994-10-04 1994-10-04 活性汚泥の固液分離障害抑制方法

Publications (1)

Publication Number Publication Date
DK0650931T3 true DK0650931T3 (da) 2003-10-27

Family

ID=26534712

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94307682T DK0650931T3 (da) 1993-10-22 1994-10-19 Fremgangsmåde til forebyggelse af at aktiveret slam taber dets sedimenteringsevne

Country Status (4)

Country Link
US (1) US5536410A (da)
EP (1) EP0650931B1 (da)
DE (1) DE69432889T2 (da)
DK (1) DK0650931T3 (da)

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US6238906B1 (en) * 1995-06-06 2001-05-29 Shell Oil Company Biodegradation of ethers using a bacterial culture
US5750364A (en) * 1995-06-06 1998-05-12 Shell Oil Company Biodegradation of ethers using an isolated mixed bacterial culture
WO1999051531A1 (en) * 1998-04-07 1999-10-14 Theodore T Ronald Waste treatment system and method
US6365397B1 (en) 1999-11-12 2002-04-02 Shell Oil Company Bacterial culture which degrades methyl-tert-butyl ether to carbon dioxide
DE60009274T2 (de) * 1999-04-14 2005-01-27 Shell Internationale Research Maatschappij B.V. Verfahren zur grundwassersanierung
GB2375072A (en) * 2001-05-05 2002-11-06 Psi Global Ltd Method and apparatus for making moulded filter elements
US20030052059A1 (en) * 2001-06-19 2003-03-20 Boyette Scott M. Method for inhibiting filamentous bacteria bulking
AU2002332962B2 (en) * 2001-10-17 2008-02-14 Advanced Environmental Technologies Pty. Ltd. Organic waste treatment
AUPR833301A0 (en) * 2001-10-17 2001-11-08 Advanced Environmental Technologies Pty Ltd Organic waste treatment
RU2323746C2 (ru) * 2003-06-20 2008-05-10 РОДИА ЮКей ЛИМИТЕД Разобщающие агенты
GB0314363D0 (en) * 2003-06-20 2003-07-23 Thames Water Utilities Treatment of sewage sludge
BE1015602A3 (fr) * 2003-07-11 2005-06-07 Lhoist Rech & Dev Sa Procede de deshydratation de boues et boues ainsi deshydratees.
US7638055B2 (en) * 2004-06-21 2009-12-29 Rhodia Operations Sludge quality
GB2421239B (en) * 2004-12-20 2010-06-23 Rhodia Uk Ltd Treatment of sewage sludge
US8658411B2 (en) 2005-04-21 2014-02-25 Ibiden Co., Ltd. Method of treating wastewater containing organic compound
EP2439180A1 (en) * 2005-04-21 2012-04-11 Ibiden Co., Ltd. Method of treating wastewater containing organic compound
FR2918885B1 (fr) * 2007-07-17 2009-08-28 Oreal Utilisation d'extrait de bacterie cultivee sur eau thermale pour diminuer les poches et/ou les cernes perioculaires
WO2009156252A1 (en) 2008-06-26 2009-12-30 Akzo Nobel N.V. Process for reducing bulking sludge in activated sludge wastewater treatment
MX2012013931A (es) 2010-06-08 2013-01-24 Buckman Labor Inc Metodos para degradar fango de la fabricacion de pulpa y papel.
CN102063062B (zh) * 2011-02-18 2012-06-27 哈尔滨工业大学 基于丝状菌种群结构诊断的污泥膨胀控制专家系统
TW201439011A (zh) * 2013-04-10 2014-10-16 Ya-Chung Wei 活性污泥水處理之穩定性工法
EP3060527B1 (en) * 2013-10-22 2019-04-10 Nuvoda LLC Reduction of substances in contaminated fluids using a naturally occurring biological growth media
CN111252908A (zh) 2014-05-21 2020-06-09 那沃达有限责任公司 生物膜介质、处理系统以及处理方法
CN105642667A (zh) * 2016-02-26 2016-06-08 浙江工商大学 一种利用微生物AHLs类信号分子修复有机污染土壤的方法
CN109111041B (zh) * 2018-09-13 2021-05-07 福建海峡环保集团股份有限公司 一种抑制曝气池中由诺卡氏菌属所引起生物泡沫的方法

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Publication number Priority date Publication date Assignee Title
US3259570A (en) * 1963-03-04 1966-07-05 Dow Chemical Co Dewatering aqueous suspensions of organic solids
JPS493468A (da) * 1972-04-25 1974-01-12
DE2757742B2 (de) * 1977-12-23 1979-10-18 Linde Ag, 6200 Wiesbaden Verfahren zur biologischen Reinigung von Abwasser
JPS567683A (en) * 1979-06-30 1981-01-26 Nichireki Chem Ind Co Ltd Treatment of suspension
HU189058B (en) * 1984-03-07 1986-06-30 Merei,Jozsef,De Method for dewatering sludges originated after aerobic and anaerobic decomposing of domestic sewages
WO1985004857A1 (fr) * 1984-04-24 1985-11-07 Sanyo Chemical Industries, Ltd. Support et procede de deshydratation de boues
JPS62155994A (ja) * 1985-12-27 1987-07-10 Mitsubishi Monsanto Chem Co 活性汚泥のバルキング防止剤及びそのバルキング防止方法
JPS63218298A (ja) * 1987-03-04 1988-09-12 Mitsubishi Monsanto Chem Co 活性汚泥の異常現象防止法
JP2607078B2 (ja) * 1987-03-31 1997-05-07 丸善製薬株式会社 バルキング解消剤
JPH01310800A (ja) * 1988-06-10 1989-12-14 Aoki Corp 汚泥凝集方法
JPH0217998A (ja) * 1988-07-04 1990-01-22 Dia Furotsuku Kk 活性汚泥の沈降性改良方法
EP0355189B1 (de) * 1988-08-23 1992-07-08 Holger Blum Verfahren zum Eindicken/Entwässern von Klärschlamm
WO1990009966A1 (fr) * 1989-02-23 1990-09-07 Mitsubishi Kasei Polytec Company Traitement d'une boue activee
WO1990014310A1 (en) * 1989-05-22 1990-11-29 Commonwealth Scientific And Industrial Research Organisation Effluent treatment

Also Published As

Publication number Publication date
DE69432889T2 (de) 2004-04-22
EP0650931A3 (en) 1997-02-05
US5536410A (en) 1996-07-16
EP0650931A2 (en) 1995-05-03
EP0650931B1 (en) 2003-07-02
DE69432889D1 (de) 2003-08-07

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