CH609581A5 - Process and device for forming gas bubbles, for example with a view to flotation - Google Patents

Process and device for forming gas bubbles, for example with a view to flotation

Info

Publication number
CH609581A5
CH609581A5 CH11577A CH11577A CH609581A5 CH 609581 A5 CH609581 A5 CH 609581A5 CH 11577 A CH11577 A CH 11577A CH 11577 A CH11577 A CH 11577A CH 609581 A5 CH609581 A5 CH 609581A5
Authority
CH
Switzerland
Prior art keywords
flotation
water
view
gas bubbles
forming gas
Prior art date
Application number
CH11577A
Other languages
English (en)
Inventor
Jacques Sterlini
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH609581A5 publication Critical patent/CH609581A5/xx

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Physical Water Treatments (AREA)
  • Gas Separation By Absorption (AREA)
CH11577A 1976-01-16 1977-01-06 Process and device for forming gas bubbles, for example with a view to flotation CH609581A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7601113A FR2338071A1 (fr) 1976-01-16 1976-01-16 Procede et dispositif pour la formation de bulles gazeuses, par exemple en vue de la flottation

Publications (1)

Publication Number Publication Date
CH609581A5 true CH609581A5 (en) 1979-03-15

Family

ID=9168028

Family Applications (1)

Application Number Title Priority Date Filing Date
CH11577A CH609581A5 (en) 1976-01-16 1977-01-06 Process and device for forming gas bubbles, for example with a view to flotation

Country Status (8)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3101221C2 (de) * 1981-01-16 1983-09-22 J.M. Voith Gmbh, 7920 Heidenheim "Einrichtung zur Schaumflotation"
FR2550469B1 (fr) * 1983-08-09 1985-10-04 Alsthom Atlantique Injecteur de microbulles
FR2552343B1 (fr) * 1983-09-27 1989-02-03 Rech Geolog Miniere Procede et appareil de separation par flottation
ATE105510T1 (de) * 1986-09-25 1994-05-15 Univ Newcastle Res Ass Saeulenflotationsverfahren und -vorrichtung.
CN1060453A (zh) * 1990-08-27 1992-04-22 纽卡斯尔大学研究公司 液体的曝气
DE4224912A1 (de) * 1991-12-02 1993-06-03 Tech Resources Pty Ltd Reaktor
JP3161734B2 (ja) 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 反応装置
DE4206206C2 (de) * 1992-02-28 1993-11-25 Voith Gmbh J M Verfahren zur Reinigung des Rejekts aus der Deinkingflotation
ATE149876T1 (de) * 1992-07-09 1997-03-15 Tech Resources Pty Ltd Reaktor
JPH06134449A (ja) * 1992-10-22 1994-05-17 Tokai Kosan:Kk 低濃度汚水の浄化方法および装置
AT410406B (de) * 2001-09-17 2003-04-25 Andritz Ag Maschf Verfahren und vorrichtung zur belüftung einer flüssigkeit mit gas

Also Published As

Publication number Publication date
DE2701702A1 (de) 1977-07-28
NL7700350A (nl) 1977-07-19
FR2338071A1 (fr) 1977-08-12
IT1067580B (it) 1985-03-16
SE7700226L (sv) 1977-07-17
GB1549523A (en) 1979-08-08
FR2338071B1 (de) 1979-07-13
BE850362A (fr) 1977-05-02

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Legal Events

Date Code Title Description
PL Patent ceased