ZA9866B - Device for stirring and aerating a liquid and eliminating foam in a tank for treating said liquid - Google Patents

Device for stirring and aerating a liquid and eliminating foam in a tank for treating said liquid

Info

Publication number
ZA9866B
ZA9866B ZA9866A ZA9866A ZA9866B ZA 9866 B ZA9866 B ZA 9866B ZA 9866 A ZA9866 A ZA 9866A ZA 9866 A ZA9866 A ZA 9866A ZA 9866 B ZA9866 B ZA 9866B
Authority
ZA
South Africa
Prior art keywords
liquid
aerating
stirring
treating
tank
Prior art date
Application number
ZA9866A
Inventor
Alain Boulant
Original Assignee
Alain Boulant
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 Alain Boulant filed Critical Alain Boulant
Publication of ZA9866B publication Critical patent/ZA9866B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/22Activated sludge processes using circulation pipes
    • C02F3/226"Deep shaft" processes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/46Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
    • A61K8/466Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • A61Q19/10Washing or bathing preparations
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00Preparations for care of the hair
    • A61Q5/02Preparations for cleaning the hair
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105Arrangement or manipulation of the gas bubbling devices
    • B01F23/2311Mounting the bubbling devices or the diffusers
    • B01F23/23112Mounting the bubbling devices or the diffusers comprising the use of flow guiding elements adjacent or above the gas stream
    • B01F23/231122Mounting the bubbling devices or the diffusers comprising the use of flow guiding elements adjacent or above the gas stream the flow guiding elements being dome-shaped elements, i.e. for trapping air, e.g. cap-, umbrella- or inversed cone-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2334Mixing 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
    • B01F23/23341Mixing 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2336Mixing gases with liquids by introducing gases into liquid media, e.g. for 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
    • B01F23/23362Mixing gases with liquids by introducing gases into liquid media, e.g. for 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 under the stirrer
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K23/00Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K23/00Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
    • C09K23/16Amines or polyamines
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/04Carboxylic acids or salts thereof
    • C11D1/10Amino carboxylic acids; Imino carboxylic acids; Fatty acid condensates thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/12Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/28Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/34Derivatives of acids of phosphorus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/113Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/12Prevention of foaming
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage
ZA9866A 1997-01-08 1998-01-06 Device for stirring and aerating a liquid and eliminating foam in a tank for treating said liquid ZA9866B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9700116A FR2758094B1 (en) 1997-01-08 1997-01-08 DEVICE FOR BREWING AND AERATING A LIQUID AND FOR REMOVING FOAM IN A LIQUID TREATMENT TANK

Publications (1)

Publication Number Publication Date
ZA9866B true ZA9866B (en) 1999-07-06

Family

ID=9502440

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9866A ZA9866B (en) 1997-01-08 1998-01-06 Device for stirring and aerating a liquid and eliminating foam in a tank for treating said liquid

Country Status (36)

Country Link
EP (1) EP0954373B1 (en)
JP (1) JP3651806B2 (en)
KR (1) KR100488114B1 (en)
CN (1) CN1090050C (en)
AR (1) AR011367A1 (en)
AT (1) ATE265263T1 (en)
AU (1) AU720825B2 (en)
BG (1) BG64414B1 (en)
BR (1) BR9714271A (en)
CA (1) CA2276760C (en)
CO (1) CO4761080A1 (en)
CU (1) CU22785A3 (en)
CZ (1) CZ297858B6 (en)
DE (1) DE69728905T2 (en)
DK (1) DK0954373T3 (en)
EA (1) EA000959B1 (en)
EE (1) EE04709B1 (en)
ES (1) ES2216185T3 (en)
FR (1) FR2758094B1 (en)
GE (1) GEP20012491B (en)
HK (1) HK1023082A1 (en)
HU (1) HU222517B1 (en)
ID (1) ID22295A (en)
IL (1) IL130793A (en)
IS (1) IS5112A (en)
NO (1) NO320784B1 (en)
NZ (1) NZ336646A (en)
PE (1) PE15099A1 (en)
PL (1) PL186826B1 (en)
PT (1) PT954373E (en)
SK (1) SK285345B6 (en)
TR (1) TR199901607T2 (en)
UA (1) UA46884C2 (en)
WO (1) WO1998030319A1 (en)
YU (1) YU49448B (en)
ZA (1) ZA9866B (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6386751B1 (en) 1997-10-24 2002-05-14 Diffusion Dynamics, Inc. Diffuser/emulsifier
US6702949B2 (en) 1997-10-24 2004-03-09 Microdiffusion, Inc. Diffuser/emulsifier for aquaculture applications
JP2002035784A (en) * 2000-07-21 2002-02-05 Mitsui Mining Co Ltd Agitation and aeration apparatus
FR2823743B1 (en) * 2001-04-19 2004-03-12 Alain Boulant DEVICE FOR BREWING AND AERATING A LIQUID IN A TREATMENT TANK
FR2823742B1 (en) 2001-04-19 2004-03-12 Alain Boulant DEVICE FOR BREWING AND AERATING A LIQUID IN A TREATMENT TANK
WO2003011774A1 (en) * 2001-07-28 2003-02-13 Moeller Gerhard Aerator for bodies of water
FR2839898B1 (en) * 2002-05-23 2004-08-13 Vor Environnement DEVICE FOR AERATION AND BREWING OF WASTEWATER IN A TREATMENT REACTOR, ITS USE FOR THE TREATMENT OF WASTEWATER AND ITS USE AS A FIRMER
JP5306214B2 (en) 2006-10-25 2013-10-02 リバルシオ コーポレイション Mixing equipment
WO2008052145A2 (en) 2006-10-25 2008-05-02 Revalesio Corporation Methods of therapeutic treatment of eyes and other human tissues using an oxygen-enriched solution
US8445546B2 (en) 2006-10-25 2013-05-21 Revalesio Corporation Electrokinetically-altered fluids comprising charge-stabilized gas-containing nanostructures
JP4716039B2 (en) * 2007-05-15 2011-07-06 Jfeエンジニアリング株式会社 Rectangular stirred reaction tank
US9745567B2 (en) 2008-04-28 2017-08-29 Revalesio Corporation Compositions and methods for treating multiple sclerosis
US10125359B2 (en) 2007-10-25 2018-11-13 Revalesio Corporation Compositions and methods for treating inflammation
US9523090B2 (en) 2007-10-25 2016-12-20 Revalesio Corporation Compositions and methods for treating inflammation
JP5901291B2 (en) 2008-05-01 2016-04-06 リバルシオ コーポレイション Compositions and methods for treating digestive disorders
US20100058933A1 (en) * 2008-09-11 2010-03-11 Cheng Peter S Wine aerator
US8815292B2 (en) 2009-04-27 2014-08-26 Revalesio Corporation Compositions and methods for treating insulin resistance and diabetes mellitus
US8783637B2 (en) * 2010-04-19 2014-07-22 Cheese & Whey Systems, Inc. Temporary shaft support system
KR20130114581A (en) 2010-05-07 2013-10-18 레발레시오 코퍼레이션 Compositions and methods for enhancing physiological performance and recovery time
DE102010023832A1 (en) * 2010-06-10 2011-12-15 Sig Technology Ag Device and method for storing products
WO2012021856A1 (en) 2010-08-12 2012-02-16 Revalesio Corporation Compositions and methods for treatment of taupathy
CN104130398B (en) * 2013-05-01 2018-08-28 英威达纺织(英国)有限公司 The method for reducing the blistering in agitated autoclave in the course of the polymerization process
US20150076079A1 (en) * 2013-09-18 2015-03-19 Alstom Technology Ltd Method and system for seawter foam control
CN103952888B (en) * 2014-05-17 2015-12-16 杭州金拇指服装辅料有限公司 A kind of dye vat of nonwoven cloth dyeing assembly line
IT201800010022A1 (en) * 2018-11-05 2020-05-05 Giuseppe Chitarra OXIDATION PLANT FOR WASTEWATER
CN109569348B (en) * 2018-11-12 2021-03-05 大同新成新材料股份有限公司 Mixing device and method for lithium battery electrolyte production
CN110433719B (en) * 2019-07-25 2022-04-12 成都海蓉特种纺织品有限公司 Defoaming formula agitating unit
WO2022015843A1 (en) 2020-07-14 2022-01-20 Jacobi Robert W Water and wastewater conditioning apparatus
CN113477111B (en) * 2021-07-27 2023-02-10 微纳气泡(浙江)智能科技有限公司 Gas dissolving device for pushing and pressurizing from inside to outside and using method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE80060T1 (en) * 1986-10-21 1992-09-15 Union Carbide Corp METHOD AND DEVICE FOR MIXING GASES AND LIQUIDS.
US5300261A (en) * 1992-11-12 1994-04-05 Richard Von Berg Liquid aerating apparatus
DE9302204U1 (en) * 1993-02-16 1993-07-15 Juengling, Harry, 6466 Gruendau, De
FR2721229B1 (en) * 1994-06-16 1996-09-06 Cise Internationale Aeration and mixing device for a liquid such as greasy effluents.

Also Published As

Publication number Publication date
BG103583A (en) 2000-02-29
YU32199A (en) 2000-12-28
CZ238399A3 (en) 2000-01-12
CZ297858B6 (en) 2007-04-18
CU22785A3 (en) 2002-07-24
ID22295A (en) 1999-09-30
TR199901607T2 (en) 1999-11-22
AR011367A1 (en) 2000-08-16
DE69728905T2 (en) 2005-06-02
PT954373E (en) 2004-07-30
IL130793A0 (en) 2001-01-28
HU222517B1 (en) 2003-08-28
NZ336646A (en) 2000-07-28
GEP20012491B (en) 2001-07-25
KR20000069910A (en) 2000-11-25
PE15099A1 (en) 1999-05-14
ES2216185T3 (en) 2004-10-16
HUP0001223A3 (en) 2000-10-30
NO993330D0 (en) 1999-07-05
HK1023082A1 (en) 2000-09-01
HUP0001223A2 (en) 2000-08-28
DK0954373T3 (en) 2004-07-26
EA199900610A1 (en) 2000-04-24
NO993330L (en) 1999-07-05
FR2758094B1 (en) 1999-03-26
WO1998030319A1 (en) 1998-07-16
KR100488114B1 (en) 2005-05-09
EP0954373B1 (en) 2004-04-28
CO4761080A1 (en) 1999-04-27
DE69728905D1 (en) 2004-06-03
BG64414B1 (en) 2005-01-31
CN1244135A (en) 2000-02-09
BR9714271A (en) 2000-04-18
PL186826B1 (en) 2004-03-31
YU49448B (en) 2006-03-03
IL130793A (en) 2002-12-01
SK285345B6 (en) 2006-11-03
FR2758094A1 (en) 1998-07-10
SK91199A3 (en) 1999-12-10
AU720825B2 (en) 2000-06-15
PL334630A1 (en) 2000-03-13
UA46884C2 (en) 2002-06-17
EE9900271A (en) 2000-02-15
AU5770398A (en) 1998-08-03
CA2276760A1 (en) 1998-07-16
CA2276760C (en) 2007-06-19
EA000959B1 (en) 2000-08-28
ATE265263T1 (en) 2004-05-15
CN1090050C (en) 2002-09-04
NO320784B1 (en) 2006-01-30
JP2001507623A (en) 2001-06-12
IS5112A (en) 1999-07-07
JP3651806B2 (en) 2005-05-25
EP0954373A1 (en) 1999-11-10
EE04709B1 (en) 2006-10-16

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