CA1117669A - Process for the secondary treatment of wastewater - Google Patents

Process for the secondary treatment of wastewater

Info

Publication number
CA1117669A
CA1117669A CA000320880A CA320880A CA1117669A CA 1117669 A CA1117669 A CA 1117669A CA 000320880 A CA000320880 A CA 000320880A CA 320880 A CA320880 A CA 320880A CA 1117669 A CA1117669 A CA 1117669A
Authority
CA
Canada
Prior art keywords
wastewater
bacteria
aeration
bod
shock
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
Application number
CA000320880A
Other languages
English (en)
French (fr)
Inventor
David E. Severeid
Daryl D. 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.)
ITT Inc
Original Assignee
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 ITT Industries Inc filed Critical ITT Industries Inc
Application granted granted Critical
Publication of CA1117669A publication Critical patent/CA1117669A/en
Expired 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)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (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)
CA000320880A 1978-02-06 1979-02-06 Process for the secondary treatment of wastewater Expired CA1117669A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87532778A 1978-02-06 1978-02-06
US875,327 1978-02-06

Publications (1)

Publication Number Publication Date
CA1117669A true CA1117669A (en) 1982-02-02

Family

ID=25365605

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000320880A Expired CA1117669A (en) 1978-02-06 1979-02-06 Process for the secondary treatment of wastewater

Country Status (7)

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

Families Citing this family (11)

* 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
US4452699A (en) * 1981-05-07 1984-06-05 Shinryo Air Conditioning Co., Ltd. Method of improving the SVI of mixed liquor in aeration tank
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

Family Cites Families (6)

* 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 (ja) * 1970-12-02 1972-07-21 Degremont
US3864246A (en) * 1973-01-24 1975-02-04 Air Prod & Chem Non-bulking activated sludge process
GB1527731A (en) * 1975-04-07 1978-10-11 Ici Ltd Sewage treatment-flotation apparatus
JPS51139173A (en) * 1975-05-27 1976-12-01 Nitto Chem Ind Co Ltd Activated sludge treatment

Also Published As

Publication number Publication date
SE7900866L (sv) 1979-08-07
GB2013646A (en) 1979-08-15
JPS54113962A (en) 1979-09-05
DE2903548A1 (de) 1979-08-09
FR2416199B1 (ja) 1984-10-26
GB2013646B (en) 1982-07-21
FI790165A (fi) 1979-08-07
FR2416199A1 (fr) 1979-08-31

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