GB1480190A - Methods of biologically purifying waste waters - Google Patents

Methods of biologically purifying waste waters

Info

Publication number
GB1480190A
GB1480190A GB1402775A GB1402775A GB1480190A GB 1480190 A GB1480190 A GB 1480190A GB 1402775 A GB1402775 A GB 1402775A GB 1402775 A GB1402775 A GB 1402775A GB 1480190 A GB1480190 A GB 1480190A
Authority
GB
United Kingdom
Prior art keywords
oxygenation
stages
air
april
activated sludge
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
GB1402775A
Other languages
English (en)
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.)
Air Liquide SA
Suez International SAS
Original Assignee
Degremont SA
Air Liquide SA
Degremont Societe Generale dEpuration de dAssainissement
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 Degremont SA, Air Liquide SA, Degremont Societe Generale dEpuration de dAssainissement filed Critical Degremont SA
Publication of GB1480190A publication Critical patent/GB1480190A/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
    • 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
    • C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
    • 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
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • 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)
  • 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)
  • Physical Water Treatments (AREA)
GB1402775A 1974-04-05 1975-04-04 Methods of biologically purifying waste waters Expired GB1480190A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7412068A FR2266661B1 (enrdf_load_stackoverflow) 1974-04-05 1974-04-05

Publications (1)

Publication Number Publication Date
GB1480190A true GB1480190A (en) 1977-07-20

Family

ID=9137330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1402775A Expired GB1480190A (en) 1974-04-05 1975-04-04 Methods of biologically purifying waste waters

Country Status (5)

Country Link
BE (1) BE827509A (enrdf_load_stackoverflow)
CH (1) CH592027A5 (enrdf_load_stackoverflow)
DE (1) DE2514637A1 (enrdf_load_stackoverflow)
FR (1) FR2266661B1 (enrdf_load_stackoverflow)
GB (1) GB1480190A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308963A1 (de) * 1983-03-14 1984-09-27 Otto 7512 Rheinstetten Schindele Verfahren zur kontinuierlichen ent- u. begasung von kommunalen u. industriellen abwassern, sowie fliessenden u. stehenden gewaesser u. suspensionen
DE3412553C2 (de) * 1984-04-04 1987-04-16 Fried. Krupp Gmbh, 4300 Essen Verfahren und Vorrichtung zur biologischen aeroben Reinigung von Abwasser
DE3834543A1 (de) * 1988-10-11 1990-04-12 Passavant Werke Verfahren zur entsorgung von einen hohen gehalt an ammoniumstickstoff aufweisenden abwaessern
US5348655A (en) * 1993-07-02 1994-09-20 Liquid Carbonic Corporation Method for increasing the capacity of sewage treatment plant
DE4443019C1 (de) * 1994-12-02 1995-08-24 Linde Ag Verfahren zur biologischen Abwasserreinigung mit intermittierender Denitrifikation
US5798043A (en) * 1997-12-01 1998-08-25 Khudenko Engineering, Inc. Control of anaerobic wastewater treatment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3954672A (en) * 1971-03-18 1973-09-06 Air Products And Chemicals Inc Activated sludge sewage treatment process and system
US3957632A (en) * 1972-03-24 1976-05-18 Sterling Drug Inc. Waste-water purification

Also Published As

Publication number Publication date
BE827509A (fr) 1975-10-03
CH592027A5 (enrdf_load_stackoverflow) 1977-10-14
FR2266661A1 (enrdf_load_stackoverflow) 1975-10-31
DE2514637A1 (de) 1975-10-09
FR2266661B1 (enrdf_load_stackoverflow) 1978-12-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee