FR2416199B1 - - Google Patents

Info

Publication number
FR2416199B1
FR2416199B1 FR7902456A FR7902456A FR2416199B1 FR 2416199 B1 FR2416199 B1 FR 2416199B1 FR 7902456 A FR7902456 A FR 7902456A FR 7902456 A FR7902456 A FR 7902456A FR 2416199 B1 FR2416199 B1 FR 2416199B1
Authority
FR
France
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
FR7902456A
Other languages
French (fr)
Other versions
FR2416199A1 (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.)
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/en
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 PROCESS FOR THE SECONDARY TREATMENT OF WASTEWATER Granted FR2416199A1 (en)

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 FR2416199A1 (en) 1979-08-31
FR2416199B1 true FR2416199B1 (en) 1984-10-26

Family

ID=25365605

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902456A Granted FR2416199A1 (en) 1978-02-06 1979-01-31 PROCESS FOR THE SECONDARY TREATMENT OF WASTEWATER

Country Status (7)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3028336C2 (en) * 1980-07-25 1985-08-01 Wilhelm Roediger Gmbh + Co, 6450 Hanau Process for the biological purification of waste water
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 (en) * 1981-05-08 1986-03-17 Flaekt Ab DEVICE FOR PURIFICATION OF POLLUTANEATED AIR FROM A SPRAYBOX WITH A BIOLOGICAL DEGRADATION
NL8204829A (en) * 1982-12-14 1984-07-02 Schneider & Schuurman METHOD AND APPARATUS FOR PURIFICATION OF WASTE WATER.
JPS6078696A (en) * 1983-10-04 1985-05-04 Shinryo Air Conditioning Co Ltd Svi improvement of liquid mixture in aeration tank
GB8607854D0 (en) * 1986-03-27 1986-04-30 Cjb Developments Ltd Gas flotation system
FR2700323B1 (en) * 1993-01-14 1995-03-31 Cee Qua Bio Method of biological water treatment and device implementing the method.
DE19848346C2 (en) * 1998-10-21 2001-09-13 Mueller Blanke Norbert Flotation process for the retention of biomass-forming microorganisms suspended in water in a basin
WO2010058434A1 (en) * 2008-11-24 2010-05-27 Hawk Partners Sas Vertical rector digestor for biological sludges
EP3781522A4 (en) * 2018-04-20 2022-02-09 Advanced Biological Services, Inc. Systems and methods for treating wastewater and providing class a sludge
CN110468033B (en) * 2019-08-26 2020-12-08 同济大学 Anaerobic digestion device for strengthening methane production by utilizing self-sustaining air flotation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1478749A (en) * 1965-04-29 1967-04-28 Purac Ab Process for purifying water by means of a plurality of treatments applied in series
DE2111442A1 (en) * 1970-06-29 1972-01-05 Aquanox Inc Effluent treatment - by high pressure aerobic decomposition
FR2116662A5 (en) * 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
DE2903548A1 (en) 1979-08-09
SE7900866L (en) 1979-08-07
CA1117669A (en) 1982-02-02
GB2013646B (en) 1982-07-21
FR2416199A1 (en) 1979-08-31
GB2013646A (en) 1979-08-15
FI790165A (en) 1979-08-07
JPS54113962A (en) 1979-09-05

Similar Documents

Publication Publication Date Title
FR2414114B1 (en)
FR2414008B1 (en)
FR2416199B1 (en)
FR2414658B1 (en)
FR2414118B1 (en)
FR2415618B1 (en)
FR2398831B1 (en)
FR2414634B3 (en)
DK142911C (en)
FR2414935B1 (en)
FR2414463B1 (en)
FR2414825B3 (en)
DE7834333U1 (en)
BG25971A1 (en)
BG25889A1 (en)
BG25955A1 (en)
BG25954A1 (en)
BG25952A1 (en)
BG25940A1 (en)
BG25922A1 (en)
BG25921A1 (en)
BG25918A1 (en)
BG25917A1 (en)
BG25902A1 (en)
BG25898A1 (en)

Legal Events

Date Code Title Description
ST Notification of lapse