GB2077608B - Method and apparatus for dissolving gas in a liquid - Google Patents

Method and apparatus for dissolving gas in a liquid

Info

Publication number
GB2077608B
GB2077608B GB8123473A GB8123473A GB2077608B GB 2077608 B GB2077608 B GB 2077608B GB 8123473 A GB8123473 A GB 8123473A GB 8123473 A GB8123473 A GB 8123473A GB 2077608 B GB2077608 B GB 2077608B
Authority
GB
United Kingdom
Prior art keywords
liquid
dissolving gas
dissolving
gas
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
GB8123473A
Other versions
GB2077608A (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.)
BOC Ltd
Original Assignee
BOC Ltd
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 BOC Ltd filed Critical BOC Ltd
Publication of GB2077608A publication Critical patent/GB2077608A/en
Application granted granted Critical
Publication of GB2077608B publication Critical patent/GB2077608B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2326—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles adding the flowing main component by suction means, e.g. using an ejector
    • 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
    • C02F3/1289—Aeration by saturation under super-atmospheric pressure
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • 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
    • B01F23/2366—Parts; Accessories
    • B01F23/2368—Mixing receptacles, e.g. tanks, vessels or reactors, being completely closed, e.g. hermetically closed
    • 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
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • 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
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B01F25/53—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth 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)
GB8123473A 1979-12-18 1980-12-17 Method and apparatus for dissolving gas in a liquid Expired GB2077608B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7943493 1979-12-18

Publications (2)

Publication Number Publication Date
GB2077608A GB2077608A (en) 1981-12-23
GB2077608B true GB2077608B (en) 1983-04-20

Family

ID=10509912

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8123473A Expired GB2077608B (en) 1979-12-18 1980-12-17 Method and apparatus for dissolving gas in a liquid

Country Status (7)

Country Link
EP (1) EP0042396A1 (en)
AU (1) AU541129B2 (en)
BR (1) BR8008290A (en)
ES (1) ES8200848A1 (en)
GB (1) GB2077608B (en)
WO (1) WO1981001700A1 (en)
ZA (1) ZA807896B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8403815A (en) * 1983-08-23 1985-07-09 Technica Entwicklung PROCESS AND APPARATUS FOR IMPREGNATION OF A LIQUID WITH A GAS AND, MORE SPECIFICALLY, FOR IMPREGNATION OF IRRIGATION WATER WITH CO2 FOR HORTICULTURAL COMMERCIAL PLANTS, LEISURE OR SIMILAR GARDENING, AND ASSEMBLY TO GET THE PROCESS
GB8401779D0 (en) * 1984-01-24 1984-02-29 Boc Group Plc Dissolving gas liquid
GB8401781D0 (en) * 1984-01-24 1984-02-29 Boc Group Plc Dissolving gas liquid
NO158082C (en) * 1986-02-11 1988-07-20 Norsk Hydro As METHOD AND PLANT FOR WATER TREATMENT, SPECIAL OXYGEN ENRICHMENT OF WATER.
SE457349B (en) * 1986-03-04 1988-12-19 Purac Ab DEVICE FOR TREATMENT OF LIQUIDS WITH AIR IN A TREATMENT POOL
HU205724B (en) * 1986-11-28 1992-06-29 Istvan Kenyeres Method for incereasing the performance and dissolving degree of impact jet gas-imput
AU622949B2 (en) * 1988-11-21 1992-04-30 Sep - Tech Industries Australia Pty Ltd Effluent treatment
US5160458A (en) * 1991-07-25 1992-11-03 The Boc Group, Inc. Gas injection apparatus and method
WO1994001210A1 (en) * 1992-07-09 1994-01-20 Technological Resources Pty. Limited A reactor
NO20034330D0 (en) 2003-09-26 2003-09-26 Norsk Hydro As Method for mixing two fluids and mixes for practicing such method
US8771520B2 (en) * 2008-05-31 2014-07-08 Vws Westgarth Limited Fluid treatment apparatus
JP2017535425A (en) 2014-11-07 2017-11-30 オキシ ソリューションズ アクティーゼルスカブ Device for dissolving gas in liquid
US10933388B1 (en) 2017-07-07 2021-03-02 Jmf Watercraft Design Llc H20-oxygenation method and oxygenated live well

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3928199A (en) * 1971-09-20 1975-12-23 Airco Inc Gas absorption system and method
SE375704B (en) * 1973-09-12 1975-04-28 Volvo Flygmotor Ab
US4070292A (en) * 1975-08-25 1978-01-24 American Water Recycling Company Apparatus for treating sewage

Also Published As

Publication number Publication date
ZA807896B (en) 1981-09-30
GB2077608A (en) 1981-12-23
AU6551680A (en) 1981-06-25
EP0042396A1 (en) 1981-12-30
AU541129B2 (en) 1984-12-20
ES497838A0 (en) 1981-11-16
ES8200848A1 (en) 1981-11-16
BR8008290A (en) 1981-07-07
WO1981001700A1 (en) 1981-06-25

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20001216