FR2309272B1 - - Google Patents

Info

Publication number
FR2309272B1
FR2309272B1 FR7610764A FR7610764A FR2309272B1 FR 2309272 B1 FR2309272 B1 FR 2309272B1 FR 7610764 A FR7610764 A FR 7610764A FR 7610764 A FR7610764 A FR 7610764A FR 2309272 B1 FR2309272 B1 FR 2309272B1
Authority
FR
France
Prior art keywords
impeller
gas
liquid
vortex
conduit
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
FR7610764A
Other languages
English (en)
French (fr)
Other versions
FR2309272A1 (fr
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.)
Envirotech Corp
Original Assignee
Envirotech Corp
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 Envirotech Corp filed Critical Envirotech Corp
Publication of FR2309272A1 publication Critical patent/FR2309272A1/fr
Application granted granted Critical
Publication of FR2309272B1 publication Critical patent/FR2309272B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
    • 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
    • B03D1/1493—Flotation machines with means for establishing a specified flow pattern
    • 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
    • B03D1/16—Flotation machines with impellers; Subaeration machines
    • 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
    • C02F3/14—Activated sludge processes using surface aeration
    • C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • 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)
  • Biotechnology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
FR7610764A 1975-04-28 1976-04-13 Appareil d'ingestion et de melangeage de gaz dans une masse liquide Granted FR2309272A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/572,700 US3993563A (en) 1975-04-28 1975-04-28 Gas ingestion and mixing device

Publications (2)

Publication Number Publication Date
FR2309272A1 FR2309272A1 (fr) 1976-11-26
FR2309272B1 true FR2309272B1 (Direct) 1980-01-11

Family

ID=24288986

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7610764A Granted FR2309272A1 (fr) 1975-04-28 1976-04-13 Appareil d'ingestion et de melangeage de gaz dans une masse liquide

Country Status (3)

Country Link
US (1) US3993563A (Direct)
FR (1) FR2309272A1 (Direct)
GB (1) GB1516441A (Direct)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649032A (en) * 1982-03-25 1987-03-10 Mobil Oil Corporation Process for the selective removal of hydrogen sulfide from gaseous streams
DE3400593A1 (de) * 1984-01-10 1985-07-18 Krupp Polysius Ag, 4720 Beckum Dispergator fuer ein flotationssystem
US5352421A (en) * 1989-12-05 1994-10-04 University Of Toronto Innovations Foundation Method and apparatus for effecting gas-liquid contact
US5174973A (en) * 1989-12-05 1992-12-29 University Of Toronto Innovations Foundation Method and apparatus for effecting gas-liquid contact
US5366698A (en) * 1989-12-05 1994-11-22 The University Of Toronto, Innovations Foundation Apparatus for effecting gas liquid contact
US5407646A (en) * 1989-12-05 1995-04-18 The University Of Toronto Innovations Foundation Dual impeller method and apparatus for effecting chemical conversion
US5520818A (en) * 1989-12-06 1996-05-28 The University Of Toronto Innovations Foundation Method for effecting gas-liquid contact
US5261783A (en) * 1991-12-09 1993-11-16 U.S. Water Technologies, Inc. Kinetic pump having a centerless impeller
US5500130A (en) * 1994-11-29 1996-03-19 The University Of Toronto Innovations Foundation And Apollo Environmental Systems Corp. Method for effecting gas-liquid contact
US5562821A (en) * 1995-07-21 1996-10-08 Commonwealth Of Puerto Rico Foam fractionator
US5611917A (en) * 1995-11-02 1997-03-18 Baker Hughes Incorporated Flotation cell crowder device
AU748205B2 (en) * 1997-08-29 2002-05-30 Flsmidth A/S Flotation cells with devices to enhance recovery of froth containing mineral values
KR20030069797A (ko) 2000-06-09 2003-08-27 페트레코 인터내셔널 리미티드 이중셀 기계적 부유 시스템
AU2002340408A1 (en) 2002-11-07 2005-01-21 Petreco International Limited Dual-cell mechanical flotation system with intermittent skimming
US7438809B2 (en) * 2005-02-02 2008-10-21 Petreco International Inc. Single-cell mechanical flotation system
US8173016B2 (en) * 2005-04-01 2012-05-08 Cameron International Corporation Mechanical flotation device for reduction of oil, alkalinity and undesirable gases
US7416661B2 (en) * 2005-04-01 2008-08-26 Petreco International Inc. Mechanical flotation device for reduction of oil, alkalinity and undesirable gases
US8029668B2 (en) * 2006-07-20 2011-10-04 CCS Energy Services, LLC Fluid treatment device and method
PT3102333T (pt) * 2014-02-07 2018-10-15 Metso Sweden Ab Sistema e célula de flutuação para separar partículas hidrófobas de uma mistura de partículas e líquido
CN110809938B (zh) * 2019-11-18 2021-06-22 湖南省中医药研究院 黄精种子快速萌发的装置及方法
PE20231666A1 (es) 2020-10-12 2023-10-19 Smidth As F L Estabilizador de vortice con celda de flotacion

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732909A (en) * 1956-01-31 Scrubber pukifier
US2075344A (en) * 1934-01-22 1937-03-30 Centrifix Corp Contacting process and apparatus
US2767965A (en) * 1950-11-03 1956-10-23 Mining Process & Patent Co Dual pumping agitation
US2875897A (en) * 1953-06-22 1959-03-03 Booth Lionel Earl Flotation machine
US3248860A (en) * 1963-06-18 1966-05-03 Westinghouse Electric Corp Air washers
NL299912A (Direct) * 1963-10-30
US3491880A (en) * 1967-12-07 1970-01-27 Arthur G Mckee Co Flotation apparatus and process
US3647069A (en) * 1970-05-11 1972-03-07 Robert S Bailey Enclosed flotation apparatus and process

Also Published As

Publication number Publication date
FR2309272A1 (fr) 1976-11-26
US3993563A (en) 1976-11-23
GB1516441A (en) 1978-07-05

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Legal Events

Date Code Title Description
ST Notification of lapse