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CA947639A - Aerating liquids - Google Patents

Aerating liquids

Info

Publication number
CA947639A
CA947639A CA082,192A CA82192A CA947639A CA 947639 A CA947639 A CA 947639A CA 82192 A CA82192 A CA 82192A CA 947639 A CA947639 A CA 947639A
Authority
CA
Canada
Prior art keywords
aerating liquids
aerating
liquids
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
CA082,192A
Inventor
Rolf Platz
Otto Nagel
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
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 Badische Anilin and Sodafabrik AG filed Critical Badische Anilin and Sodafabrik AG
Application granted granted Critical
Publication of CA947639A publication Critical patent/CA947639A/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
    • C02F3/1278—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)
CA082,192A 1969-05-08 1970-05-07 Aerating liquids Expired CA947639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691923446 DE1923446A1 (en) 1969-05-08 1969-05-08 Method and device for ventilating liquids in a container

Publications (1)

Publication Number Publication Date
CA947639A true CA947639A (en) 1974-05-21

Family

ID=5733596

Family Applications (1)

Application Number Title Priority Date Filing Date
CA082,192A Expired CA947639A (en) 1969-05-08 1970-05-07 Aerating liquids

Country Status (7)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2410570C2 (en) * 1974-03-06 1982-04-29 Basf Ag, 6700 Ludwigshafen Device for sucking in and compressing gases and mixing them with liquid
US4110210A (en) * 1975-06-02 1978-08-29 Envirotech Corporation Dispersed gas flotation process
JPS5327430U (en) * 1976-08-13 1978-03-08
DE2645780C2 (en) * 1976-10-09 1982-10-07 Basf Ag, 6700 Ludwigshafen Process for gassing a liquid in a circulation reactor and for preventing unreacted gas from separating out of the liquid
DE3218227A1 (en) * 1982-05-14 1983-11-17 Basf Ag, 6700 Ludwigshafen Use of a jet nozzle for introduction of gases into liquids
GB2173117B (en) * 1985-02-12 1988-04-13 * A G Aerating apparatus
WO1993021761A1 (en) * 1992-04-29 1993-11-11 Austmarine Pty. Ltd. Injection apparatus
JP6281927B1 (en) * 2017-08-31 2018-02-21 株式会社安原設備工業 Underwater oxygen dissolution apparatus and underwater oxygen dissolution method using the same

Also Published As

Publication number Publication date
BE750123A (en) 1970-11-09
DE1923446A1 (en) 1970-11-12
GB1303163A (en) 1973-01-17
FR2047493A5 (en) 1971-03-12
NL7006643A (en) 1970-11-10
JPS503021B1 (en) 1975-01-30

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