DE69432889D1 - Verfahren zum Schutz von Belebtschlamm vor Verlust seiner Absetzfähigkeit - Google Patents

Verfahren zum Schutz von Belebtschlamm vor Verlust seiner Absetzfähigkeit

Info

Publication number
DE69432889D1
DE69432889D1 DE69432889T DE69432889T DE69432889D1 DE 69432889 D1 DE69432889 D1 DE 69432889D1 DE 69432889 T DE69432889 T DE 69432889T DE 69432889 T DE69432889 T DE 69432889T DE 69432889 D1 DE69432889 D1 DE 69432889D1
Authority
DE
Germany
Prior art keywords
activated sludge
against loss
sludge against
sedimentation ability
protecting activated
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 - Fee Related
Application number
DE69432889T
Other languages
English (en)
Other versions
DE69432889T2 (de
Inventor
Katsura Kitatsuji
Kingo Chu
Tetsuro Fukase
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.)
Kurita Water Industries Ltd
Original Assignee
Kurita Water Industries 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 Industries Ltd filed Critical Kurita Water Industries Ltd
Application granted granted Critical
Publication of DE69432889D1 publication Critical patent/DE69432889D1/de
Publication of DE69432889T2 publication Critical patent/DE69432889T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
DE1994632889 1993-10-22 1994-10-19 Verfahren zum Schutz von Belebtschlamm vor Verlust seiner Absetzfähigkeit Expired - Fee Related DE69432889T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP26522893 1993-10-22
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 (2)

Publication Number Publication Date
DE69432889D1 true DE69432889D1 (de) 2003-08-07
DE69432889T2 DE69432889T2 (de) 2004-04-22

Family

ID=26534712

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994632889 Expired - Fee Related DE69432889T2 (de) 1993-10-22 1994-10-19 Verfahren zum Schutz von Belebtschlamm vor Verlust seiner Absetzfähigkeit

Country Status (4)

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

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5750364A (en) * 1995-06-06 1998-05-12 Shell Oil Company Biodegradation of ethers using an isolated mixed bacterial culture
US6238906B1 (en) * 1995-06-06 2001-05-29 Shell Oil Company Biodegradation of ethers using a bacterial culture
AU3384399A (en) * 1998-04-07 1999-10-25 T. Ronald Theodore Waste treatment system and method
AU4548700A (en) * 1999-04-14 2000-11-02 Shell Internationale Research Maatschappij B.V. Method of aquifer remediation
US6365397B1 (en) 1999-11-12 2002-04-02 Shell Oil Company Bacterial culture which degrades methyl-tert-butyl ether to carbon dioxide
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
EP1638895A2 (de) * 2003-06-20 2006-03-29 Rhodia UK Limited Entkoppelnde mittel
GB0314363D0 (en) * 2003-06-20 2003-07-23 Thames Water Utilities Treatment of sewage sludge
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
KR100934600B1 (ko) * 2005-04-21 2009-12-31 이비덴 가부시키가이샤 유기물 함유 폐액의 처리 방법
US8658411B2 (en) 2005-04-21 2014-02-25 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
EP2291333B1 (de) 2008-06-26 2013-02-27 Akzo Nobel N.V. Verfahren zur verringerung von schlammansammlungen bei der aktiven schlammabwasserbehandlung
PT2580388T (pt) 2010-06-08 2018-02-21 Buckman Laboratories Int Inc Métodos para degradar sedimentos provenientes do fabrico de pasta e de 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
NZ758065A (en) * 2013-10-22 2022-08-26 Nuvoda Llc Reduction of substances in contaminated fluids using a naturally occurring biological growth media
AU2015264014B2 (en) 2014-05-21 2018-09-06 Nuvoda Llc Biofilm media, treatment system and method of treatment
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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
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 (de) * 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 (en) * 1984-04-24 1985-11-07 Sanyo Chemical Industries, Ltd. Aid and process for dehydrating sludge
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 (en) * 1989-02-23 1990-09-07 Mitsubishi Kasei Polytec Company Treatment of activated sludge
WO1990014310A1 (en) * 1989-05-22 1990-11-29 Commonwealth Scientific And Industrial Research Organisation Effluent treatment

Also Published As

Publication number Publication date
US5536410A (en) 1996-07-16
EP0650931A2 (de) 1995-05-03
EP0650931A3 (de) 1997-02-05
EP0650931B1 (de) 2003-07-02
DE69432889T2 (de) 2004-04-22
DK0650931T3 (da) 2003-10-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee