FR2287939B1 - - Google Patents

Info

Publication number
FR2287939B1
FR2287939B1 FR7531721A FR7531721A FR2287939B1 FR 2287939 B1 FR2287939 B1 FR 2287939B1 FR 7531721 A FR7531721 A FR 7531721A FR 7531721 A FR7531721 A FR 7531721A FR 2287939 B1 FR2287939 B1 FR 2287939B1
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
FR7531721A
Other versions
FR2287939A1 (fr
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of FR2287939A1 publication Critical patent/FR2287939A1/fr
Application granted granted Critical
Publication of FR2287939B1 publication Critical patent/FR2287939B1/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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/006—Regulation methods for biological treatment
    • 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
    • B01F23/23421—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 the stirrers rotating about a vertical 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
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • 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
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237612—Oxygen
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
    • B01F33/71—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming working at super-atmospheric pressure, e.g. in pressurised vessels
    • 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)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
FR7531721A 1974-10-17 1975-10-19 Installation de traitement des eaux usees par aeration par surface, a stabilisation de la profondeur d'immersion des aerateurs Granted FR2287939A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51568174A 1974-10-17 1974-10-17

Publications (2)

Publication Number Publication Date
FR2287939A1 FR2287939A1 (fr) 1976-05-14
FR2287939B1 true FR2287939B1 (fr) 1980-01-11

Family

ID=24052313

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7531721A Granted FR2287939A1 (fr) 1974-10-17 1975-10-19 Installation de traitement des eaux usees par aeration par surface, a stabilisation de la profondeur d'immersion des aerateurs

Country Status (5)

Country Link
JP (1) JPS5436415B2 (fr)
BR (1) BR7506766A (fr)
DE (1) DE2546429A1 (fr)
FR (1) FR2287939A1 (fr)
GB (1) GB1527895A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500323B2 (fr) * 1974-12-05 1989-05-19 Roland Jean Louis Dispositif pour introduire un gaz dans un liquide
DE2800034C2 (de) * 1978-01-02 1984-01-05 Passavant-Werke AG & Co KG, 6209 Aarbergen Abwasserreinigungsverfahren sowie Einrichtung zu seiner Durchführung
EP0088850B1 (fr) * 1982-03-12 1986-07-16 Jean-Louis Roland Dispositif pour introduire un gaz dans un liquide et application dudit dispositif
GB2138692B (en) * 1983-04-05 1986-05-14 Isc Smelting Dispersion of liquid in gases
JPH0222026Y2 (fr) * 1985-08-08 1990-06-13
RU200367U1 (ru) * 2020-03-11 2020-10-21 Федеральное государственное бюджетное образовательное учреждение высшего образования "Петрозаводский государственный университет" Оксигенатор
CN115433594B (zh) * 2022-09-28 2023-12-05 张双兴 一种压力调节方法及装置

Also Published As

Publication number Publication date
GB1527895A (en) 1978-10-11
JPS5164749A (fr) 1976-06-04
BR7506766A (pt) 1976-08-17
DE2546429A1 (de) 1976-04-29
JPS5436415B2 (fr) 1979-11-09
FR2287939A1 (fr) 1976-05-14

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Legal Events

Date Code Title Description
ST Notification of lapse