GB1282389A - Improvements in or relating to methods and apparatus for mixing a gaseous phase with a liquid phase - Google Patents

Improvements in or relating to methods and apparatus for mixing a gaseous phase with a liquid phase

Info

Publication number
GB1282389A
GB1282389A GB4450570A GB4450570A GB1282389A GB 1282389 A GB1282389 A GB 1282389A GB 4450570 A GB4450570 A GB 4450570A GB 4450570 A GB4450570 A GB 4450570A GB 1282389 A GB1282389 A GB 1282389A
Authority
GB
United Kingdom
Prior art keywords
gas
liquid
impeller
vessel
partition
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
GB4450570A
Other languages
English (en)
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.)
PRECEDES SEM
Original Assignee
PRECEDES SEM
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 PRECEDES SEM filed Critical PRECEDES SEM
Publication of GB1282389A publication Critical patent/GB1282389A/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
    • C02F3/20—Activated sludge processes using diffusers
    • C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
    • 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
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/226—"Deep shaft" processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (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)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
GB4450570A 1969-09-17 1970-09-17 Improvements in or relating to methods and apparatus for mixing a gaseous phase with a liquid phase Expired GB1282389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6931553A FR2060224B1 (enExample) 1969-09-17 1969-09-17

Publications (1)

Publication Number Publication Date
GB1282389A true GB1282389A (en) 1972-07-19

Family

ID=9040161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4450570A Expired GB1282389A (en) 1969-09-17 1970-09-17 Improvements in or relating to methods and apparatus for mixing a gaseous phase with a liquid phase

Country Status (6)

Country Link
BE (1) BE756252A (enExample)
CA (1) CA941367A (enExample)
DE (1) DE2045603B2 (enExample)
FR (1) FR2060224B1 (enExample)
GB (1) GB1282389A (enExample)
NL (1) NL7013767A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017451A1 (en) * 1979-03-30 1980-10-15 Chemineer Inc. Apparatus and method for producing a gas in liquid dispersion
EP0264905A1 (en) * 1986-10-21 1988-04-27 Union Carbide Corporation Process and apparatus for mixing of gases and liquids
GB2255513A (en) * 1987-11-04 1992-11-11 Barrett Haentjens & Co Gas absorption in a liquid

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210111B2 (enExample) * 1972-02-14 1977-03-22
DE2805794A1 (de) * 1978-02-11 1979-08-16 Hoechst Ag Vorrichtung zum biologischen reinigen von abwasser
CA1139463A (en) * 1979-10-02 1983-01-11 Jon G. Albertsson Apparatus for contacting a liquid with a gas
US4519959A (en) * 1982-04-14 1985-05-28 Tatsuro Takeuchi Gas-liquid contacting apparatus
FI74628C (fi) * 1985-03-07 1988-03-10 Plan Sell Oy Foerfarande och anordning foer tillfoersel av gas eller gasblandning till vaetska.
US5525269A (en) * 1985-03-22 1996-06-11 Philadelphia Gear Corporation Impeller tiplets for improving gas to liquid mass transfer efficiency in a draft tube submerged turbine mixer/aerator
DE3516027A1 (de) * 1985-05-04 1986-11-06 Huels Chemische Werke Ag Ruehrsystem und verfahren zum begasen von fluessigkeiten
CH669185A5 (de) * 1986-12-17 1989-02-28 Peter Hiltebrand Verfahren zum aufbereiten von fluessigkeiten.
FR2662616B1 (fr) * 1990-05-31 1994-07-08 Anjou Rech Installation pour le traitement de flux liquides a contacteur monophasique, et dispositif recirculateur-degazeur pour une telle installation.
FR2672230B1 (fr) * 1991-02-04 1993-04-16 Anjou Rech Installation de melange de deux phases fluides par agitation mecanique, notamment pour le traitement des eaux par transfert de gaz oxydant, et utilisation d'une telle installation.
US5152888A (en) * 1991-10-24 1992-10-06 Net Co., Ltd. Apparatus for treatment of organic waste water and contactor for use therein
FR2698349B1 (fr) * 1992-11-24 1995-06-09 Trailigaz Installation pour l'elimination des micro-polluants des eaux brutes notamment des eaux de forage, par action combinee d'ozone et de peroxyde d'hydrogene.
IT1286014B1 (it) * 1996-11-29 1998-06-26 Itt Flygt S P A Unita' di aerazione e miscelazione,particolarmente per acque di scarico

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017451A1 (en) * 1979-03-30 1980-10-15 Chemineer Inc. Apparatus and method for producing a gas in liquid dispersion
EP0264905A1 (en) * 1986-10-21 1988-04-27 Union Carbide Corporation Process and apparatus for mixing of gases and liquids
GB2255513A (en) * 1987-11-04 1992-11-11 Barrett Haentjens & Co Gas absorption in a liquid
GB2255513B (en) * 1987-11-04 1995-05-31 Barrett Haentjens & Co Method for effecting absorption of a fluid in another fluid and apparatus for effecting gas absorption in a liquid

Also Published As

Publication number Publication date
BE756252A (fr) 1971-03-01
DE2045603A1 (de) 1971-04-22
FR2060224B1 (enExample) 1975-11-07
DE2045603C3 (enExample) 1973-10-11
DE2045603B2 (de) 1973-03-22
FR2060224A1 (enExample) 1971-06-18
NL7013767A (enExample) 1971-03-19
CA941367A (en) 1974-02-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee