FR2338071A1 - METHOD AND DEVICE FOR THE FORMATION OF GAS BUBBLES, FOR EXAMPLE WITH A VIEW OF FLOTATION - Google Patents

METHOD AND DEVICE FOR THE FORMATION OF GAS BUBBLES, FOR EXAMPLE WITH A VIEW OF FLOTATION

Info

Publication number
FR2338071A1
FR2338071A1 FR7601113A FR7601113A FR2338071A1 FR 2338071 A1 FR2338071 A1 FR 2338071A1 FR 7601113 A FR7601113 A FR 7601113A FR 7601113 A FR7601113 A FR 7601113A FR 2338071 A1 FR2338071 A1 FR 2338071A1
Authority
FR
France
Prior art keywords
flotation
formation
view
gas bubbles
bubbles
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.)
Granted
Application number
FR7601113A
Other languages
French (fr)
Other versions
FR2338071B1 (en
Inventor
Jacques Sterlini
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.)
Compagnie Electro Mecanique SA
Original Assignee
Compagnie Electro Mecanique SA
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 Compagnie Electro Mecanique SA filed Critical Compagnie Electro Mecanique SA
Priority to FR7601113A priority Critical patent/FR2338071A1/en
Priority to IT3106676A priority patent/IT1067580B/en
Priority to CH11577A priority patent/CH609581A5/en
Priority to SE7700226A priority patent/SE7700226L/en
Priority to GB138877A priority patent/GB1549523A/en
Priority to BE174059A priority patent/BE850362A/en
Priority to NL7700350A priority patent/NL7700350A/en
Priority to DE19772701702 priority patent/DE2701702A1/en
Publication of FR2338071A1 publication Critical patent/FR2338071A1/en
Application granted granted Critical
Publication of FR2338071B1 publication Critical patent/FR2338071B1/fr
Granted 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
    • B01F23/20—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
    • B01F23/2323—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 by circulating the flow in guiding constructions or conduits
    • B01F23/23231—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 by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit
    • 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
    • B01F25/30—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
    • 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
    • B03D1/02—Froth-flotation processes
    • B03D1/028—Control and monitoring of flotation processes; computer models therefor
    • 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
    • B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
    • 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
    • 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
    • B03D1/24—Pneumatic
    • 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
    • C02F3/20—Activated sludge processes using diffusers
    • 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
FR7601113A 1976-01-16 1976-01-16 METHOD AND DEVICE FOR THE FORMATION OF GAS BUBBLES, FOR EXAMPLE WITH A VIEW OF FLOTATION Granted FR2338071A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7601113A FR2338071A1 (en) 1976-01-16 1976-01-16 METHOD AND DEVICE FOR THE FORMATION OF GAS BUBBLES, FOR EXAMPLE WITH A VIEW OF FLOTATION
IT3106676A IT1067580B (en) 1976-01-16 1976-12-31 PROCESS AND DEVICE FOR THE FORMATION OF GAS BUBBLES, FOR EXAMPLE FOR THE PURPOSE OF FLOTATION
CH11577A CH609581A5 (en) 1976-01-16 1977-01-06 Process and device for forming gas bubbles, for example with a view to flotation
SE7700226A SE7700226L (en) 1976-01-16 1977-01-11 THE FLOTATI E D JEMTE DEVICE FOR ITS IMPLEMENTATION
GB138877A GB1549523A (en) 1976-01-16 1977-01-13 Production of gas bubble population in liquids
BE174059A BE850362A (en) 1976-01-16 1977-01-14 METHOD AND DEVICE FOR THE FORMATION OF GAS BUBBLES
NL7700350A NL7700350A (en) 1976-01-16 1977-01-14 METHOD AND DEVICE FOR FORMING GAS BUBBLES IN A LIQUID.
DE19772701702 DE2701702A1 (en) 1976-01-16 1977-01-17 METHOD AND DEVICE FOR GENERATING BUBBLES IN A LIQUID

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7601113A FR2338071A1 (en) 1976-01-16 1976-01-16 METHOD AND DEVICE FOR THE FORMATION OF GAS BUBBLES, FOR EXAMPLE WITH A VIEW OF FLOTATION

Publications (2)

Publication Number Publication Date
FR2338071A1 true FR2338071A1 (en) 1977-08-12
FR2338071B1 FR2338071B1 (en) 1979-07-13

Family

ID=9168028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7601113A Granted FR2338071A1 (en) 1976-01-16 1976-01-16 METHOD AND DEVICE FOR THE FORMATION OF GAS BUBBLES, FOR EXAMPLE WITH A VIEW OF FLOTATION

Country Status (8)

Country Link
BE (1) BE850362A (en)
CH (1) CH609581A5 (en)
DE (1) DE2701702A1 (en)
FR (1) FR2338071A1 (en)
GB (1) GB1549523A (en)
IT (1) IT1067580B (en)
NL (1) NL7700350A (en)
SE (1) SE7700226L (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550469A1 (en) * 1983-08-09 1985-02-15 Alsthom Atlantique INJECTOR OF MICROBULLES
FR2552343A1 (en) * 1983-09-27 1985-03-29 Rech Geolog Miniere Method and apparatus for separating using floatation
US5332100A (en) * 1986-09-25 1994-07-26 The University Of New Castle Research Associates Limited Of University Of New Castle Column flotation method

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3101221C2 (en) * 1981-01-16 1983-09-22 J.M. Voith Gmbh, 7920 Heidenheim "Facility for foam flotation"
JPH06500260A (en) * 1990-08-27 1994-01-13 ザ・ユニバーシティ・オブ・ニューキャッスル・リサーチ・アソシエイツ・リミテッド liquid aeration
JP3161734B2 (en) 1991-12-02 2001-04-25 テクノロジカル リソーシィズ プロプライエタリー リミテッド Reactor
DE4224912A1 (en) * 1991-12-02 1993-06-03 Tech Resources Pty Ltd REACTOR
DE4206206C2 (en) * 1992-02-28 1993-11-25 Voith Gmbh J M Process for cleaning the rejects from deinking flotation
US5512217A (en) * 1992-07-09 1996-04-30 Technological Resources Pty. Limited Reactor and method of use
JPH06134449A (en) * 1992-10-22 1994-05-17 Tokai Kosan:Kk Method and device for purifying low concentration sewage
AT410406B (en) * 2001-09-17 2003-04-25 Andritz Ag Maschf METHOD AND DEVICE FOR VENTILATING A LIQUID WITH GAS

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550469A1 (en) * 1983-08-09 1985-02-15 Alsthom Atlantique INJECTOR OF MICROBULLES
US4556523A (en) * 1983-08-09 1985-12-03 Alsthom-Atlantique Microbubble injector
FR2552343A1 (en) * 1983-09-27 1985-03-29 Rech Geolog Miniere Method and apparatus for separating using floatation
US5332100A (en) * 1986-09-25 1994-07-26 The University Of New Castle Research Associates Limited Of University Of New Castle Column flotation method

Also Published As

Publication number Publication date
DE2701702A1 (en) 1977-07-28
NL7700350A (en) 1977-07-19
CH609581A5 (en) 1979-03-15
IT1067580B (en) 1985-03-16
SE7700226L (en) 1977-07-17
FR2338071B1 (en) 1979-07-13
GB1549523A (en) 1979-08-08
BE850362A (en) 1977-05-02

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