FR2668765B1 - Methode de traitement des eaux residuaires par le procede a boue activee. - Google Patents

Methode de traitement des eaux residuaires par le procede a boue activee.

Info

Publication number
FR2668765B1
FR2668765B1 FR9113758A FR9113758A FR2668765B1 FR 2668765 B1 FR2668765 B1 FR 2668765B1 FR 9113758 A FR9113758 A FR 9113758A FR 9113758 A FR9113758 A FR 9113758A FR 2668765 B1 FR2668765 B1 FR 2668765B1
Authority
FR
France
Prior art keywords
activated sludge
treating wastewater
sludge process
wastewater
treating
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
FR9113758A
Other languages
English (en)
Other versions
FR2668765A1 (fr
Inventor
Yoshimi Nagasaki
Hidetsugu Nakazawa
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.)
Ajinomoto Co Inc
Original Assignee
Ajinomoto Co 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
Application filed by Ajinomoto Co Inc filed Critical Ajinomoto Co Inc
Publication of FR2668765A1 publication Critical patent/FR2668765A1/fr
Application granted granted Critical
Publication of FR2668765B1 publication Critical patent/FR2668765B1/fr
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
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/121—Multistep treatment
    • 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
    • C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
    • 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)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Activated Sludge Processes (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
FR9113758A 1990-11-07 1991-11-07 Methode de traitement des eaux residuaires par le procede a boue activee. Expired - Fee Related FR2668765B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29985190 1990-11-07
JP25485691A JP3099839B2 (ja) 1990-11-07 1991-10-02 活性汚泥法による廃水処理方法

Publications (2)

Publication Number Publication Date
FR2668765A1 FR2668765A1 (fr) 1992-05-07
FR2668765B1 true FR2668765B1 (fr) 1994-01-14

Family

ID=26541887

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9113758A Expired - Fee Related FR2668765B1 (fr) 1990-11-07 1991-11-07 Methode de traitement des eaux residuaires par le procede a boue activee.

Country Status (7)

Country Link
US (1) US5573670A (fr)
JP (1) JP3099839B2 (fr)
BE (1) BE1004260A5 (fr)
FR (1) FR2668765B1 (fr)
IT (1) IT1251705B (fr)
MY (1) MY111432A (fr)
PH (1) PH30783A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7384555B1 (en) * 1993-09-22 2008-06-10 Kurita Water Industries Ltd. Process for biological treatment of aqueous organic wastes
JP4301582B2 (ja) * 1996-08-26 2009-07-22 味の素株式会社 凝集沈殿法による排水処理方法
JP3763439B2 (ja) * 1997-05-30 2006-04-05 三菱電機株式会社 廃水のオゾン処理方法およびオゾン処理装置
JP4489990B2 (ja) * 2001-04-25 2010-06-23 三菱電機株式会社 生物学的水処理装置
FR2835250B1 (fr) * 2002-01-29 2004-11-05 Ondeo Degremont Procede et dispositif de traitement biologique d'effluents aqueux, en vue de leur epuration
US6821415B2 (en) 2002-02-13 2004-11-23 Matthew L. Sharb Self-adjusting fluid surface skimmer and fluid treatment system using same
US20040025946A1 (en) * 2002-03-27 2004-02-12 Sharb Matthew L. Outlet apparatus for fluid handling systems
FR2845682B1 (fr) * 2002-10-10 2004-11-19 Air Liquide Procede de reduction des boues d'un traitement biologique de l'eau mettant en oeuvre de l'ozone
JP4907103B2 (ja) * 2005-05-12 2012-03-28 高砂熱学工業株式会社 生物処理槽の汚泥処理方法
JP2008036467A (ja) * 2006-08-01 2008-02-21 Takasago Thermal Eng Co Ltd 生物処理槽の制御システム
FR2916754A1 (fr) * 2007-05-31 2008-12-05 Air Liquide Procede de reduction de boues biologiques par traitement a l'ozone et controle du ph
US20170144910A1 (en) * 2015-11-24 2017-05-25 Kuwait University Multistage aeration system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805481A (en) * 1964-04-23 1974-04-23 E Armstrong Apparatus for and process of treating liquids with a gas
JPS54136755A (en) * 1978-04-15 1979-10-24 Osaka Gas Co Ltd Active sludge disposal process for waste water
FR2490208A1 (fr) * 1980-09-15 1982-03-19 Trailigaz Procede de traitement d'eaux usees a l'aide de boues activees
JP2661093B2 (ja) * 1988-02-01 1997-10-08 味の素株式会社 活性汚泥法による廃水処理方法

Also Published As

Publication number Publication date
MY111432A (en) 2000-05-31
ITMI912963A0 (it) 1991-11-07
US5573670A (en) 1996-11-12
FR2668765A1 (fr) 1992-05-07
PH30783A (en) 1997-10-17
JPH04363197A (ja) 1992-12-16
BE1004260A5 (fr) 1992-10-20
IT1251705B (it) 1995-05-19
JP3099839B2 (ja) 2000-10-16
ITMI912963A1 (it) 1993-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20110801