BE780951A - WASTEWATER BIOLOGICAL TREATMENT DEVICE - Google Patents

WASTEWATER BIOLOGICAL TREATMENT DEVICE

Info

Publication number
BE780951A
BE780951A BE780951A BE780951A BE780951A BE 780951 A BE780951 A BE 780951A BE 780951 A BE780951 A BE 780951A BE 780951 A BE780951 A BE 780951A BE 780951 A BE780951 A BE 780951A
Authority
BE
Belgium
Prior art keywords
treatment device
biological treatment
wastewater biological
wastewater
treatment
Prior art date
Application number
BE780951A
Other languages
French (fr)
Original Assignee
Girejan Societe Civile
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 Societe Civile filed Critical Girejan Societe Civile
Publication of BE780951A publication Critical patent/BE780951A/en

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
BE780951A 1971-03-22 1972-03-20 WASTEWATER BIOLOGICAL TREATMENT DEVICE BE780951A (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
BE780951A true BE780951A (en) 1972-07-17

Family

ID=26216278

Family Applications (1)

Application Number Title Priority Date Filing Date
BE780951A BE780951A (en) 1971-03-22 1972-03-20 WASTEWATER BIOLOGICAL TREATMENT DEVICE

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
DE2212126A1 (en) 1972-10-12
LU64999A1 (en) 1972-07-10
GB1385358A (en) 1975-02-26
NL7203754A (en) 1972-09-26
DK142841B (en) 1981-02-09
IT953945B (en) 1973-08-10
DK142841C (en) 1981-09-28
CA957441A (en) 1974-11-05

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: GIREJAN SOC. CIVILE

Effective date: 19920320