CA957441A - Dispositif d'epuration biologique des eaux usees - Google Patents

Dispositif d'epuration biologique des eaux usees

Info

Publication number
CA957441A
CA957441A CA137,581*7A CA137581A CA957441A CA 957441 A CA957441 A CA 957441A CA 137581 A CA137581 A CA 137581A CA 957441 A CA957441 A CA 957441A
Authority
CA
Canada
Prior art keywords
usees
epuration
dispositif
des eaux
biologique
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
CA137,581*7A
Other versions
CA137581S (en
Inventor
Jean-Michel P. J. Catry
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.)
GIREJAN
Original Assignee
GIREJAN
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
Priority claimed from FR7109966A external-priority patent/FR2130820A5/en
Priority claimed from FR7145103A external-priority patent/FR2165050A6/en
Application filed by GIREJAN filed Critical GIREJAN
Application granted granted Critical
Publication of CA957441A publication Critical patent/CA957441A/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
    • C02F3/14—Activated sludge processes using surface aeration
    • C02F3/18—Activated sludge processes using surface aeration the aerator having a horizontal axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/234—Surface aerating
    • B01F23/2342—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force
    • 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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
CA137,581*7A 1971-03-22 1972-03-20 Dispositif d'epuration biologique des eaux usees Expired CA957441A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7109966A FR2130820A5 (en) 1971-03-22 1971-03-22 Aerator/circulator - for activated sludge effluent treatment plant
FR7145103A FR2165050A6 (en) 1971-12-15 1971-12-15 Aerator/circulator - for activated sludge effluent treatment plant

Publications (1)

Publication Number Publication Date
CA957441A true CA957441A (en) 1974-11-05

Family

ID=26216278

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137,581*7A Expired CA957441A (en) 1971-03-22 1972-03-20 Dispositif d'epuration biologique des eaux usees

Country Status (8)

Country Link
BE (1) BE780951A (en)
CA (1) CA957441A (en)
DE (1) DE2212126A1 (en)
DK (1) DK142841B (en)
GB (1) GB1385358A (en)
IT (1) IT953945B (en)
LU (1) LU64999A1 (en)
NL (1) NL7203754A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4437386A1 (en) * 1994-10-19 1996-04-25 Passavant Werke Process and circulation basin for long-term aeration of wastewater treated in the aeration process

Also Published As

Publication number Publication date
DK142841B (en) 1981-02-09
IT953945B (en) 1973-08-10
NL7203754A (en) 1972-09-26
DE2212126A1 (en) 1972-10-12
GB1385358A (en) 1975-02-26
LU64999A1 (en) 1972-07-10
DK142841C (en) 1981-09-28
BE780951A (en) 1972-07-17

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