FR2416199A1 - Procede pour le traitement secondaire des eaux usees - Google Patents

Procede pour le traitement secondaire des eaux usees

Info

Publication number
FR2416199A1
FR2416199A1 FR7902456A FR7902456A FR2416199A1 FR 2416199 A1 FR2416199 A1 FR 2416199A1 FR 7902456 A FR7902456 A FR 7902456A FR 7902456 A FR7902456 A FR 7902456A FR 2416199 A1 FR2416199 A1 FR 2416199A1
Authority
FR
France
Prior art keywords
wastewater
secondary treatment
bacteria
food
microorganism ratio
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.)
Granted
Application number
FR7902456A
Other languages
English (en)
French (fr)
Other versions
FR2416199B1 (de
Inventor
David Eric Severeid
Daryl David Jech
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries 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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of FR2416199A1 publication Critical patent/FR2416199A1/fr
Application granted granted Critical
Publication of FR2416199B1 publication Critical patent/FR2416199B1/fr
Granted 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • 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)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Activated Sludge Processes (AREA)
  • Physical Water Treatments (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
FR7902456A 1978-02-06 1979-01-31 Procede pour le traitement secondaire des eaux usees Granted FR2416199A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87532778A 1978-02-06 1978-02-06

Publications (2)

Publication Number Publication Date
FR2416199A1 true FR2416199A1 (fr) 1979-08-31
FR2416199B1 FR2416199B1 (de) 1984-10-26

Family

ID=25365605

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902456A Granted FR2416199A1 (fr) 1978-02-06 1979-01-31 Procede pour le traitement secondaire des eaux usees

Country Status (7)

Country Link
JP (1) JPS54113962A (de)
CA (1) CA1117669A (de)
DE (1) DE2903548A1 (de)
FI (1) FI790165A (de)
FR (1) FR2416199A1 (de)
GB (1) GB2013646B (de)
SE (1) SE7900866L (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505314A1 (fr) * 1981-05-07 1982-11-12 Shinryo Air Cond Procede pour ameliorer l'indice de volume de la boue d'une liqueur mixte dans un bassin d'aeration

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3028336C2 (de) * 1980-07-25 1985-08-01 Wilhelm Roediger Gmbh + Co, 6450 Hanau Verfahren zum biologischen Reinigen von Abwasser
SE443930B (sv) * 1981-05-08 1986-03-17 Flaekt Ab Anordning for rening av fororenad luft fran sprutbox med hjelp av biologisk nedbrytning
NL8204829A (nl) * 1982-12-14 1984-07-02 Schneider & Schuurman Werkwijze en inrichting voor het zuiveren van afvalwater.
JPS6078696A (ja) * 1983-10-04 1985-05-04 Shinryo Air Conditioning Co Ltd 曝気槽内混合液のｓｖｉ改良方法
GB8607854D0 (en) * 1986-03-27 1986-04-30 Cjb Developments Ltd Gas flotation system
FR2700323B1 (fr) * 1993-01-14 1995-03-31 Cee Qua Bio Procédé de traitement biologique des eaux et dispositif mettant en Óoeuvre le procédé.
DE19848346C2 (de) * 1998-10-21 2001-09-13 Mueller Blanke Norbert Flotationsverfahren zum Rückhalten von in Wasser suspendierten, Biomasse bildenden Mikroorganismen in einem Becken
WO2010058434A1 (en) * 2008-11-24 2010-05-27 Hawk Partners Sas Vertical rector digestor for biological sludges
CN116969604A (zh) * 2018-04-20 2023-10-31 先进创新者股份有限公司 处理废水和提供a类污泥的系统和方法
CN110468033B (zh) 2019-08-26 2020-12-08 同济大学 利用自持气浮强化产沼气的厌氧消化装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1478749A (fr) * 1965-04-29 1967-04-28 Purac Ab Procédé de purification de l'eau au moyen d'une pluralité de traitements appliqués en série
DE2111442A1 (de) * 1970-06-29 1972-01-05 Aquanox Inc Verfahren und Vorrichtung fuer die aerobe Behandlung von Abfallstoff
FR2116662A5 (de) * 1970-12-02 1972-07-21 Degremont
FR2285346A1 (fr) * 1973-01-24 1976-04-16 Air Prod & Chem Perfectionnements apportes aux procedes des boues activees sans prise en masse
FR2306745A1 (fr) * 1975-04-07 1976-11-05 Ici Ltd Procede et appareil de separation de liquide et de matieres solides pour le traitement d'eaux d'egout

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51139173A (en) * 1975-05-27 1976-12-01 Nitto Chem Ind Co Ltd Activated sludge treatment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1478749A (fr) * 1965-04-29 1967-04-28 Purac Ab Procédé de purification de l'eau au moyen d'une pluralité de traitements appliqués en série
DE2111442A1 (de) * 1970-06-29 1972-01-05 Aquanox Inc Verfahren und Vorrichtung fuer die aerobe Behandlung von Abfallstoff
FR2116662A5 (de) * 1970-12-02 1972-07-21 Degremont
FR2285346A1 (fr) * 1973-01-24 1976-04-16 Air Prod & Chem Perfectionnements apportes aux procedes des boues activees sans prise en masse
FR2306745A1 (fr) * 1975-04-07 1976-11-05 Ici Ltd Procede et appareil de separation de liquide et de matieres solides pour le traitement d'eaux d'egout

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505314A1 (fr) * 1981-05-07 1982-11-12 Shinryo Air Cond Procede pour ameliorer l'indice de volume de la boue d'une liqueur mixte dans un bassin d'aeration

Also Published As

Publication number Publication date
GB2013646B (en) 1982-07-21
FI790165A (fi) 1979-08-07
JPS54113962A (en) 1979-09-05
FR2416199B1 (de) 1984-10-26
DE2903548A1 (de) 1979-08-09
GB2013646A (en) 1979-08-15
CA1117669A (en) 1982-02-02
SE7900866L (sv) 1979-08-07

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Legal Events

Date Code Title Description
ST Notification of lapse