FR2484862B1 - PROCESS AND DEVICE FOR TRANSFERRING GAS IN A LIQUID APPLICABLE IN PARTICULAR TO WATER TREATMENT, BIOTECHNOLOGY AND THE CHEMICAL INDUSTRY - Google Patents

PROCESS AND DEVICE FOR TRANSFERRING GAS IN A LIQUID APPLICABLE IN PARTICULAR TO WATER TREATMENT, BIOTECHNOLOGY AND THE CHEMICAL INDUSTRY

Info

Publication number
FR2484862B1
FR2484862B1 FR8013527A FR8013527A FR2484862B1 FR 2484862 B1 FR2484862 B1 FR 2484862B1 FR 8013527 A FR8013527 A FR 8013527A FR 8013527 A FR8013527 A FR 8013527A FR 2484862 B1 FR2484862 B1 FR 2484862B1
Authority
FR
France
Prior art keywords
biotechnology
water treatment
chemical industry
transferring gas
liquid applicable
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
FR8013527A
Other languages
French (fr)
Other versions
FR2484862A1 (en
Inventor
Paul Boulenger
Christian Racle
Michel Borne
Michel Machabert
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.)
Institut National Recherche Chimique Appliquee
Original Assignee
Institut National Recherche Chimique Appliquee
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 Institut National Recherche Chimique Appliquee filed Critical Institut National Recherche Chimique Appliquee
Priority to FR8013527A priority Critical patent/FR2484862B1/en
Publication of FR2484862A1 publication Critical patent/FR2484862A1/en
Application granted granted Critical
Publication of FR2484862B1 publication Critical patent/FR2484862B1/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
    • 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
    • B01F25/30—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
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
    • 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
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31243—Eductor or eductor-type venturi, i.e. the main flow being injected through the venturi with high speed in the form of a jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1431—Dissolved air flotation machines
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
FR8013527A 1980-06-18 1980-06-18 PROCESS AND DEVICE FOR TRANSFERRING GAS IN A LIQUID APPLICABLE IN PARTICULAR TO WATER TREATMENT, BIOTECHNOLOGY AND THE CHEMICAL INDUSTRY Expired FR2484862B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8013527A FR2484862B1 (en) 1980-06-18 1980-06-18 PROCESS AND DEVICE FOR TRANSFERRING GAS IN A LIQUID APPLICABLE IN PARTICULAR TO WATER TREATMENT, BIOTECHNOLOGY AND THE CHEMICAL INDUSTRY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8013527A FR2484862B1 (en) 1980-06-18 1980-06-18 PROCESS AND DEVICE FOR TRANSFERRING GAS IN A LIQUID APPLICABLE IN PARTICULAR TO WATER TREATMENT, BIOTECHNOLOGY AND THE CHEMICAL INDUSTRY

Publications (2)

Publication Number Publication Date
FR2484862A1 FR2484862A1 (en) 1981-12-24
FR2484862B1 true FR2484862B1 (en) 1984-09-14

Family

ID=9243229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8013527A Expired FR2484862B1 (en) 1980-06-18 1980-06-18 PROCESS AND DEVICE FOR TRANSFERRING GAS IN A LIQUID APPLICABLE IN PARTICULAR TO WATER TREATMENT, BIOTECHNOLOGY AND THE CHEMICAL INDUSTRY

Country Status (1)

Country Link
FR (1) FR2484862B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3211906C1 (en) * 1982-03-31 1988-12-01 J.M. Voith Gmbh, 7920 Heidenheim Flotation apparatus injector
FR2574002B1 (en) * 1984-11-30 1987-02-27 Inst Nat Rech Chimique IMPROVEMENT IN SEPARATION AND RECOVERY OF SOLIDS FROM LIQUIDS CONTAINING THEM AND USING THE ION FLOTATION PROCESS, AND MEANS FOR CARRYING OUT SUCH IMPROVEMENT
WO1990005583A1 (en) * 1988-11-22 1990-05-31 Dunne Miller Weston Limited Liquid-gas mixing device
US6033576A (en) * 1993-11-26 2000-03-07 Hyperno Proprietary Limited Chemical waste treatment
DE202010009140U1 (en) 2010-06-16 2010-10-21 Juan Valdivia Gmbh Arrangement for generating air bubbles in liquids
DE102011101738A1 (en) 2011-05-12 2012-11-15 Juan Valdivia Arrangement for conversion of energy e.g. mechanical energy into electrical energy, has pump whose suction inlet is exposed to atmosphere and output is connected to turbine, such that air is jetted out from air mixer towards water

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1377571A (en) * 1963-09-27 1964-11-06 Luchaire Sa Advanced device for aeration of wastewater
HU171926B (en) * 1975-02-12 1978-04-28 Magyar Asvanyolaj Es Foeldgaz Gas dispersing method in coherent fluid phase
DE2535837C3 (en) * 1975-08-12 1984-09-13 Bayer Ag, 5090 Leverkusen Process for the biological treatment of wastewater in a cascade
JPS5473452A (en) * 1977-11-22 1979-06-12 Clevepak Corp Waste water aeration method and apparatus
FR2432483A1 (en) * 1978-08-02 1980-02-29 Rhone Poulenc Ind Treating impure water with ozone in closed circuit - contg. aspirating zone followed by catalytic bed

Also Published As

Publication number Publication date
FR2484862A1 (en) 1981-12-24

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Legal Events

Date Code Title Description
ST Notification of lapse