DE68909760D1 - Gas-/Flüssigkeits-Mischer. - Google Patents

Gas-/Flüssigkeits-Mischer.

Info

Publication number
DE68909760D1
DE68909760D1 DE89123840T DE68909760T DE68909760D1 DE 68909760 D1 DE68909760 D1 DE 68909760D1 DE 89123840 T DE89123840 T DE 89123840T DE 68909760 T DE68909760 T DE 68909760T DE 68909760 D1 DE68909760 D1 DE 68909760D1
Authority
DE
Germany
Prior art keywords
gas
liquid mixer
mixer
liquid
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 - Fee Related
Application number
DE89123840T
Other languages
English (en)
Other versions
DE68909760T2 (de
Inventor
Lawrence Marvin Litz
John Joseph Santalone
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.)
Praxair Technology Inc
Original Assignee
Praxair Technology Inc
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
Priority to US07/289,265 priority Critical patent/US4919849A/en
Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of DE68909760D1 publication Critical patent/DE68909760D1/de
Application granted granted Critical
Publication of DE68909760T2 publication Critical patent/DE68909760T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F7/00Mixers with rotary stirring devices in fixed receptacles, i.e. movement of the receptacle not being meant to effect the mixing; Kneaders
    • B01F7/00008Stirrers, i.e. rotary stirring devices
    • B01F7/00233Configuration of the rotating mixing element
    • B01F7/00625Multistage systems, i.e. with a plurality of mixing elements mounted in sequence on the same axis
    • B01F7/00641Multistage systems, i.e. with a plurality of mixing elements mounted in sequence on the same axis provided with a plurality of dissimilar elements
    • B01F7/0065Multistage systems, i.e. with a plurality of mixing elements mounted in sequence on the same axis provided with a plurality of dissimilar elements comprising helical elements and paddles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F3/00Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
    • B01F3/04Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
    • B01F3/04099Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
    • B01F3/04531Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F3/04539Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F3/00Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
    • B01F3/04Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
    • B01F3/04099Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
    • B01F3/04531Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F3/04602Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F3/04609Introducing a gas or vapour into a liquid medium, e.g. 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F3/00Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
    • B01F3/04Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
    • B01F3/04099Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
    • B01F3/04829Parts; Accessories
    • B01F3/04836Mixing receptacles, e.g. tanks, vessels, reactors, being completely closed, e.g. hermetically closed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • B01J19/006Baffles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • B01J19/0066Stirrers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1868Stationary reactors having moving elements inside resulting in a loop-type movement
    • B01J19/1875Stationary reactors having moving elements inside resulting in a loop-type movement internally, i.e. the mixture circulating inside the vessel such that the upwards stream is separated physically from the downwards stream(s)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/20Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F3/00Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
    • B01F3/04Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
    • B01F3/04099Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
    • B01F3/04531Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F3/04539Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F2003/04546Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F3/00Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
    • B01F3/04Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
    • B01F3/04099Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
    • B01F3/04531Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F3/04539Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F2003/04567Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F3/00Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
    • B01F3/04Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
    • B01F3/04099Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
    • B01F3/04531Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F2003/04624Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer
    • B01F2003/04645Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer the gas being sucked towards the rotating stirrer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F3/00Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
    • B01F3/04Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
    • B01F3/04099Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
    • B01F3/04531Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F2003/04659Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
    • B01F2003/0468Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced above the stirrer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F7/00Mixers with rotary stirring devices in fixed receptacles, i.e. movement of the receptacle not being meant to effect the mixing; Kneaders
    • B01F7/00008Stirrers, i.e. rotary stirring devices
    • B01F7/00233Configuration of the rotating mixing element
    • B01F7/0025Configuration of the rotating mixing element with arms, paddles, vanes or blades
    • B01F7/00258Configuration of the rotating mixing element with arms, paddles, vanes or blades pin shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F7/00Mixers with rotary stirring devices in fixed receptacles, i.e. movement of the receptacle not being meant to effect the mixing; Kneaders
    • B01F7/00008Stirrers, i.e. rotary stirring devices
    • B01F7/00233Configuration of the rotating mixing element
    • B01F7/00391Helices, i.e. stirrers comprising a helically shaped band; Stirrers composed of helically shaped band sections
    • B01F7/00425Helices, i.e. stirrers comprising a helically shaped band; Stirrers composed of helically shaped band sections blade shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F7/00Mixers with rotary stirring devices in fixed receptacles, i.e. movement of the receptacle not being meant to effect the mixing; Kneaders
    • B01F7/00008Stirrers, i.e. rotary stirring devices
    • B01F7/00233Configuration of the rotating mixing element
    • B01F7/00625Multistage systems, i.e. with a plurality of mixing elements mounted in sequence on the same axis
    • B01F7/00641Multistage systems, i.e. with a plurality of mixing elements mounted in sequence on the same axis provided with a plurality of dissimilar elements
DE89123840T 1988-12-23 1989-12-22 Gas-/Flüssigkeits-Mischer. Expired - Lifetime DE68909760T2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/289,265 US4919849A (en) 1988-12-23 1988-12-23 Gas-liquid mixing process and apparatus

Publications (2)

Publication Number Publication Date
DE68909760D1 true DE68909760D1 (de) 1993-11-11
DE68909760T2 DE68909760T2 (de) 1994-01-27

Family

ID=23110776

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89123840T Expired - Lifetime DE68909760T2 (de) 1988-12-23 1989-12-22 Gas-/Flüssigkeits-Mischer.

Country Status (8)

Country Link
US (1) US4919849A (de)
EP (1) EP0374967B1 (de)
JP (1) JPH062219B2 (de)
KR (1) KR950002793B1 (de)
BR (1) BR8906725A (de)
CA (1) CA2006590C (de)
DE (1) DE68909760T2 (de)
MX (1) MX166564B (de)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960000015B1 (ko) * 1990-01-04 1996-01-03 유니온 카바이드 인더스트리얼 개시즈 테크놀로지 코포레이션 강화된 기체-액체 반응
US5009816A (en) * 1990-04-26 1991-04-23 Union Carbide Industrial Gases Technology Corporation Broad liquid level gas-liquid mixing operations
FR2662616B1 (fr) * 1990-05-31 1994-07-08 Anjou Rech Installation pour le traitement de flux liquides a contacteur monophasique, et dispositif recirculateur-degazeur pour une telle installation.
FR2672230B1 (fr) * 1991-02-04 1993-04-16 Anjou Rech Installation de melange de deux phases fluides par agitation mecanique, notamment pour le traitement des eaux par transfert de gaz oxydant, et utilisation d'une telle installation.
US5261783A (en) * 1991-12-09 1993-11-16 U.S. Water Technologies, Inc. Kinetic pump having a centerless impeller
US5244603A (en) * 1992-07-17 1993-09-14 Praxair Technology, Inc. Enhanced gas-liquid mixing under variable liquid operating level conditions
US6145815A (en) * 1992-08-17 2000-11-14 Praxair Technology, Inc. System for enhanced gas dissolution having a hood positioned over the impeller with segregating rings
US5451348A (en) * 1994-04-18 1995-09-19 Praxair Technology, Inc. Variable liquid level eductor/impeller gas-liquid mixing apparatus and process
US5422044A (en) * 1994-04-25 1995-06-06 Praxair Technology, Inc. Method and apparatus for mixing a cold gas with a hot liquid
RU2140898C1 (ru) * 1994-05-11 1999-11-10 Праксайр Текнолоджи, Инк. Способ окисления органических соединений и система для его осуществления
FR2721229B1 (fr) * 1994-06-16 1996-09-06 Cise Internationale Dispositif d'aération et de brassage d'un liquide comme par exemple les effluents graisseux.
US5454986A (en) * 1994-08-04 1995-10-03 Lessen; Martin Down-flow batch mixing system
US5856533A (en) * 1995-12-28 1999-01-05 Praxair Technology, Inc. High efficiency heat and mass transfer for vapor phase heterogeneous reactions
FI101862B1 (fi) * 1996-02-19 1998-09-15 Overcraft Oy Sekoitin kahden virtaavan väliaineen sekoittamiseksi keskenään
US6084125A (en) * 1996-02-27 2000-07-04 Praxair Technology, Inc. Process for producing aliphatic acids using a reactor system having a shell and a tube reactor configuration to force circulation of reaction liquid
US5846498A (en) * 1996-02-27 1998-12-08 Praxair Technology, Inc. Reactor system
US6036357A (en) * 1996-07-19 2000-03-14 Van Drie; Gerhardt Woodrow Submarine-type liquid mixer
US5762418A (en) * 1996-07-19 1998-06-09 Van Drie; Gerhardt Woodrow Submarine-type liquid mixer
US6460830B1 (en) * 1997-01-08 2002-10-08 Carbofil International Device for stirring and aerating a liquid and eliminating foam in a tank for treating said liquid
US5916491A (en) * 1997-01-16 1999-06-29 Rhone-Poulenc, Inc. Gas-liquid vortex mixer and method
DE19703551A1 (de) * 1997-01-31 1998-08-13 Bayer Ag Axialförderer, vorzugsweise mit Begasungselement, und Schlaufenreaktor, diesen enthaltend
CA2201224C (en) * 1997-03-27 2004-12-07 Annette Lynn Burke Dual shear mixing element
US5925290A (en) * 1997-08-08 1999-07-20 Rhone-Poulenc Inc. Gas-liquid venturi mixer
US6362367B2 (en) 1998-04-21 2002-03-26 Union Carbide Chemicals & Plastics Technology Corp. Preparation of organic acids
US6029955A (en) * 1998-05-23 2000-02-29 Drie; Gerhardt Van Counterbalanced dual submarine-type liquid mixer pairs
US6158722A (en) * 1998-09-23 2000-12-12 General Signal Corporation Mixing system for introducing and dispersing gas into liquids
US5972661A (en) * 1998-09-28 1999-10-26 Penn State Research Foundation Mixing systems
AT409595B (de) * 1999-02-22 2002-09-25 Gerald Jun Ossig Fluidmischer
US6322056B1 (en) 1999-09-28 2001-11-27 Gerhardt Van Drie Submarine type liquid mixer with aeration
CA2326586A1 (en) * 1999-11-17 2001-05-17 Howard Wayne Altmann Batch reactor with on-demand reactive gas
US6273402B1 (en) * 2000-01-10 2001-08-14 Praxair Technology, Inc. Submersible in-situ oxygenator
US6554259B2 (en) 2000-03-08 2003-04-29 Gerhardt Van Drie High dissolved oxygen mixer-digester
US6422736B1 (en) * 2000-06-21 2002-07-23 Eastman Kodak Company Scalable impeller apparatus for preparing silver halide grains
FR2823742B1 (fr) * 2001-04-19 2004-03-12 Alain Boulant Dispositif pour brasser et aerer un liquide dans une cuve de traitement
FR2823743B1 (fr) * 2001-04-19 2004-03-12 Alain Boulant Dispositif pour brasser et aerer un liquide dans une cuve de traitement
US6926437B2 (en) * 2002-09-10 2005-08-09 Gerhardt Van Drie Gravity powered mixer system
US6814344B2 (en) * 2002-11-22 2004-11-09 Nesson Enterprises Method and apparatus for circulating fluids in a body of liquid
US20040240315A1 (en) * 2003-06-02 2004-12-02 Balan Prakash G. Slotted draft tube mixing systems
US8146894B2 (en) * 2004-06-21 2012-04-03 Hills Blair H Apparatus for mixing gasses and liquids
US7628528B2 (en) * 2005-10-26 2009-12-08 PRS Biotech, Inc. Pneumatic bioreactor
US8790913B2 (en) 2005-10-26 2014-07-29 Pbs Biotech, Inc. Methods of using pneumatic bioreactors
DE102006008687A1 (de) * 2006-02-24 2007-08-30 Bayer Technology Services Gmbh Verfahren und Vorrichtung zur Be- und Entgasung von Flüssigkeiten
US7455776B2 (en) * 2006-11-21 2008-11-25 Praxair Technology, Inc. Method for mixing high viscous liquids with gas
US7497949B2 (en) 2006-11-21 2009-03-03 Praxair Technology, Inc. System and method for oxygenating an aerobic sludge digester
US20080261299A1 (en) * 2007-04-23 2008-10-23 Zeikus J Gregory Pneumatic Bioreactor
US7713730B2 (en) * 2007-04-24 2010-05-11 Pbs Biotech, Inc. Pneumatic bioreactor
US7699980B2 (en) * 2007-08-24 2010-04-20 Praxair Technology, Inc. System for activated sludge wastewater treatment with high dissolved oxygen levels
WO2009132192A2 (en) * 2008-04-25 2009-10-29 Pbs Biotech, Inc. Bioreactor apparatus
US8387957B2 (en) * 2009-01-29 2013-03-05 Aqua-Aerobic Systems, Inc. Downflow mixers with gas injection devices and/or baffles
US7963508B1 (en) * 2009-06-01 2011-06-21 Mcguffin Thomas R Method and apparatus for digesting sludge
EP2547413B1 (de) * 2010-03-15 2016-12-21 Dow Global Technologies LLC Abscheidungsverfahren mit einem coalescerelement
WO2012159035A1 (en) * 2011-05-19 2012-11-22 Praxair Technology, Inc. Systems and methods for dynamic gas control in a disposable vessel
FR2975606B1 (fr) * 2011-05-25 2013-05-31 Air Liquide Equipement pour l'injection d'un gaz dans un bassin d'epuration
CN103100356B (zh) * 2011-11-10 2015-06-17 中国石油化工股份有限公司 一种沸腾床加氢反应器及应用
US9630355B2 (en) 2011-11-30 2017-04-25 King Abdulaziz City For Science And Technology Batch mixer with plunger
US9745735B2 (en) 2014-06-27 2017-08-29 David Stevenson Intake nozzle for suction hose
US10195471B2 (en) * 2014-08-01 2019-02-05 Leonard E. Doten Aircraft firefighting tank with mixing
CN107175002B (zh) * 2017-07-17 2019-12-24 宏伟建设工程股份有限公司 一种基于循环式混合原理的节能环保型污水处理设备
CN108816072A (zh) * 2018-06-12 2018-11-16 合肥丰洁生物科技有限公司 一种化妆品生产用搅拌釜

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US32562A (en) * 1861-06-18 Ealph hill
DE7411389U (de) * Mueller H
US2293183A (en) * 1939-04-03 1942-08-18 American Well Works Mixing turbine
US2404679A (en) * 1945-04-04 1946-07-23 Andron Philip Carbonator
US3776531A (en) * 1972-03-16 1973-12-04 M Ebner Apparatus and propeller for entraining fluids in liquids
US3846516A (en) * 1972-09-25 1974-11-05 Rockwell International Corp Aerator device and method
FR2218134B1 (de) * 1973-10-25 1977-03-11 Kodak Pathe
US4193950A (en) * 1975-07-04 1980-03-18 Linde Aktiengesellschaft Apparatus for introducing gas into a liquid
US4145383A (en) * 1976-09-01 1979-03-20 Howard Machinery Limited Slurry aeration method and apparatus
US4290885A (en) * 1977-12-22 1981-09-22 Dochan Kwak Aeration device
DE2906599B1 (de) * 1979-02-21 1979-10-25 Voith Gmbh J M Flotationsvorrichtung
EP0027911B1 (de) * 1979-10-02 1984-06-27 Union Carbide Corporation Vorrichtung zum Begasen einer Flüssigkeit
EP0027912A1 (de) * 1979-10-02 1981-05-06 Union Carbide Corporation Vorrichtung zum Begasen einer Flüssigkeit
USRE32562E (en) 1982-07-08 1987-12-15 Union Carbide Corporation Process and apparatus for mixing a gas and a liquid
US4454077A (en) * 1982-07-08 1984-06-12 Union Carbide Corporation Process and apparatus for mixing a gas and a liquid
JPS6244967A (en) * 1985-08-22 1987-02-26 Fujitsu Ltd Construction of electromagnetic shield connector
ES2033764T3 (es) * 1986-10-21 1993-04-01 Union Carbide Corporation Procedimiento y aparato para mezclar gases y liquidos.

Also Published As

Publication number Publication date
DE68909760T2 (de) 1994-01-27
EP0374967B1 (de) 1993-10-06
KR900009127A (ko) 1990-07-02
EP0374967A1 (de) 1990-06-27
CA2006590A1 (en) 1990-06-23
MX166564B (es) 1993-01-18
JPH062219B2 (ja) 1994-01-12
JPH02273526A (en) 1990-11-08
US4919849A (en) 1990-04-24
KR950002793B1 (ko) 1995-03-27
CA2006590C (en) 1993-10-05
BR8906725A (pt) 1990-08-21

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