FR2213237B1 - - Google Patents

Info

Publication number
FR2213237B1
FR2213237B1 FR7400444A FR7400444A FR2213237B1 FR 2213237 B1 FR2213237 B1 FR 2213237B1 FR 7400444 A FR7400444 A FR 7400444A FR 7400444 A FR7400444 A FR 7400444A FR 2213237 B1 FR2213237 B1 FR 2213237B1
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
FR7400444A
Other languages
French (fr)
Other versions
FR2213237A1 (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 Group Ltd
Original Assignee
British Oxigen 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 British Oxigen Ltd filed Critical British Oxigen Ltd
Publication of FR2213237A1 publication Critical patent/FR2213237A1/fr
Application granted granted Critical
Publication of FR2213237B1 publication Critical patent/FR2213237B1/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
    • 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
    • B01F23/29—Mixing systems, i.e. flow charts or diagrams
    • 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • 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
    • C02F3/1284—Mixing devices
    • 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
    • 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
    • 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
    • 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
    • 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
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
FR7400444A 1973-01-08 1974-01-07 Expired FR2213237B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB102773A GB1455567A (en) 1973-01-08 1973-01-08 Treatment of liquid
GB1008273 1973-03-01
GB3023673 1973-06-26

Publications (2)

Publication Number Publication Date
FR2213237A1 FR2213237A1 (en) 1974-08-02
FR2213237B1 true FR2213237B1 (en) 1981-02-27

Family

ID=27253806

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400444A Expired FR2213237B1 (en) 1973-01-08 1974-01-07

Country Status (7)

Country Link
JP (1) JPS6225440B2 (en)
BR (1) BR7400081D0 (en)
CA (1) CA1011474A (en)
DE (1) DE2400653C2 (en)
ES (1) ES422087A1 (en)
FR (1) FR2213237B1 (en)
GB (1) GB1455567A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK145008C (en) * 1978-07-31 1982-12-27 Burmeister & Wain Scandinavian PROCEDURE FOR RECOVERING HEAT FROM WASTE WATER IN A WASTE PLANT AND WASTE PLANT FOR EXERCISING THE PROCEDURE
DE2966457D1 (en) * 1979-01-10 1984-01-12 Chevron Res Staged froth flotation with intermediate recycle
GB2142008B (en) * 1983-04-29 1986-11-12 Boc Group The Treatment of water
GB8311852D0 (en) * 1983-04-29 1983-06-02 Boc Group Plc Treatment of water
GB8315381D0 (en) * 1983-06-03 1983-07-06 Boc Group Plc Liquid phase oxidation
GB8401781D0 (en) * 1984-01-24 1984-02-29 Boc Group Plc Dissolving gas liquid
GB8401779D0 (en) * 1984-01-24 1984-02-29 Boc Group Plc Dissolving gas liquid
DE3827716A1 (en) * 1988-08-16 1990-03-08 Metz Mannheim Gmbh Water treatment in a plant for intensive fish culture
US5057230A (en) * 1990-03-20 1991-10-15 The Boc Group Plc Dissolution of gas
EP0880473A4 (en) * 1996-01-24 1999-12-08 Life Int Products Inc Oxygenating apparatus, method for oxygenating water therewith, and applications thereof
GB9615159D0 (en) * 1996-07-19 1996-09-04 Boc Group Plc Treatment of liquid
GB9825380D0 (en) 1998-11-19 1999-01-13 Boc Group Plc Dissolution of gas
US6322055B1 (en) 2000-10-02 2001-11-27 Eco-Oxygen Technologies, Llc Gas dissolving apparatus and method
DE10155190A1 (en) * 2001-11-12 2003-05-28 Hendryk Wagner Fish farming water treatment process for fresh- or salt-water has main cascading loop and two sub-loops
US6668556B2 (en) 2002-04-18 2003-12-30 Eco Oxygen Technologies, Llc. Gas transfer energy recovery and effervescence prevention apparatus and method
EP1833760B1 (en) 2004-12-01 2012-04-11 Ciba Specialty Chemicals Water Treatments Limited High velocity, low pressure process for making silica gels and microgels
US20140124457A1 (en) 2012-11-05 2014-05-08 Air Products And Chemicals, Inc. Methods For Treating Liquid Waste With High Purity Oxygen
FR3061032B1 (en) * 2016-12-22 2019-05-31 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude "METHOD FOR INJECTING A GAS INTO A LIQUID USING A POROUS MATERIAL, IN PARTICULAR FOR THE AQUACULTURAL FIELD"
CN115745319B (en) * 2022-12-08 2023-11-03 广州市自净环保有限公司 Efficient sewage treatment device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB940555A (en) * 1959-06-24 1963-10-30 Drysdale & Co Ltd Method of and apparatus for aerating liquids
US3444076A (en) * 1965-10-20 1969-05-13 Kurita Industrial Co Ltd Method of treating organic waste water
DE1557228A1 (en) * 1966-09-16 1970-11-05 Ingtech Zentralbuero Veb Process for fumigation of liquids
US3547811A (en) * 1969-07-02 1970-12-15 Union Carbide Corp Cyclic oxygenation of bod-containing water
US3662890A (en) * 1970-10-19 1972-05-16 Environmental Services Inc Waste treatment system
DE2129564A1 (en) * 1971-06-15 1972-12-21 Basf Ag Gasification of liquids - using liquid operated jet pump

Also Published As

Publication number Publication date
CA1011474A (en) 1977-05-31
AU6428974A (en) 1975-07-10
ES422087A1 (en) 1976-04-16
DE2400653C2 (en) 1991-02-14
GB1455567A (en) 1976-11-17
JPS5047450A (en) 1975-04-26
JPS6225440B2 (en) 1987-06-03
DE2400653A1 (en) 1974-07-18
FR2213237A1 (en) 1974-08-02
BR7400081D0 (en) 1974-08-22

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