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FR2047493A5 - - Google Patents

Info

Publication number
FR2047493A5
FR2047493A5 FR7016825A FR7016825A FR2047493A5 FR 2047493 A5 FR2047493 A5 FR 2047493A5 FR 7016825 A FR7016825 A FR 7016825A FR 7016825 A FR7016825 A FR 7016825A FR 2047493 A5 FR2047493 A5 FR 2047493A5
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
FR7016825A
Other languages
French (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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Application granted granted Critical
Publication of FR2047493A5 publication Critical patent/FR2047493A5/fr
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
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1294—"Venturi" aeration means
    • 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
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B01F25/211—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being surrounded by guiding tubes
    • 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
    • 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)
FR7016825A 1969-05-08 1970-05-08 Expired FR2047493A5 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691923446 DE1923446A1 (de) 1969-05-08 1969-05-08 Verfahren und Vorrichtung zum Belueften von in einem Behaelter befindlichen Fluessigkeiten

Publications (1)

Publication Number Publication Date
FR2047493A5 true FR2047493A5 (ja) 1971-03-12

Family

ID=5733596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7016825A Expired FR2047493A5 (ja) 1969-05-08 1970-05-08

Country Status (7)

Country Link
JP (1) JPS503021B1 (ja)
BE (1) BE750123A (ja)
CA (1) CA947639A (ja)
DE (1) DE1923446A1 (ja)
FR (1) FR2047493A5 (ja)
GB (1) GB1303163A (ja)
NL (1) NL7006643A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2366868A1 (fr) * 1976-10-09 1978-05-05 Basf Ag Procede d'injection de gaz dans un liquide contenu dans un reacteur a circulation
WO1993021761A1 (en) * 1992-04-29 1993-11-11 Austmarine Pty. Ltd. Injection apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2410570C2 (de) * 1974-03-06 1982-04-29 Basf Ag, 6700 Ludwigshafen Vorrichtung zum Ansaugen und Verdichten von Gasen und deren Vermischung mit Flüssigkeit
US4110210A (en) * 1975-06-02 1978-08-29 Envirotech Corporation Dispersed gas flotation process
JPS5327430U (ja) * 1976-08-13 1978-03-08
DE3218227A1 (de) * 1982-05-14 1983-11-17 Basf Ag, 6700 Ludwigshafen Verwendung einer strahlduese fuer den eintrag von gasen in fluessigkeiten
GB2173117B (en) * 1985-02-12 1988-04-13 * A G Aerating apparatus
JP6281927B1 (ja) * 2017-08-31 2018-02-21 株式会社安原設備工業 水中酸素溶解装置およびこれを用いた水中酸素溶解方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2366868A1 (fr) * 1976-10-09 1978-05-05 Basf Ag Procede d'injection de gaz dans un liquide contenu dans un reacteur a circulation
WO1993021761A1 (en) * 1992-04-29 1993-11-11 Austmarine Pty. Ltd. Injection apparatus

Also Published As

Publication number Publication date
DE1923446A1 (de) 1970-11-12
CA947639A (en) 1974-05-21
BE750123A (fr) 1970-11-09
NL7006643A (ja) 1970-11-10
JPS503021B1 (ja) 1975-01-30
GB1303163A (ja) 1973-01-17

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Legal Events

Date Code Title Description
ST Notification of lapse