BE894940A - Appareil a injection avec point d'etranglement d'un tube melangeur situe en aval - Google Patents
Appareil a injection avec point d'etranglement d'un tube melangeur situe en avalInfo
- Publication number
- BE894940A BE894940A BE0/209422A BE209422A BE894940A BE 894940 A BE894940 A BE 894940A BE 0/209422 A BE0/209422 A BE 0/209422A BE 209422 A BE209422 A BE 209422A BE 894940 A BE894940 A BE 894940A
- Authority
- BE
- Belgium
- Prior art keywords
- located downstream
- injection apparatus
- tube located
- throttle point
- mixer tube
- Prior art date
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
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
- B01F23/23121—Diffusers having injection means, e.g. nozzles with circumferential outlet
-
- 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
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
-
- 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
- B01F25/305—Injector mixers the additional component being axially fed and radially discharged through a circumferential outlet
-
- 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
- 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
- B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
- B01F25/31241—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the circumferential area of the venturi, creating an aspiration in the central part of the conduit
-
- 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
- B01F25/40—Static mixers
- B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
-
- 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
- B01F25/40—Static mixers
- B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
- B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
- B01F25/4521—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube
-
- 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
- B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
-
- 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
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1462—Discharge mechanisms for the froth
-
- 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
- B03D1/242—Nozzles for injecting gas into the flotation tank
-
- 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
- B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
-
- 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
-
- 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
- B03D1/08—Subsequent treatment of concentrated product
- B03D1/082—Subsequent treatment of concentrated product of the froth product, e.g. washing
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/75—Flowing liquid aspirates gas
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Dispersion Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Nozzles (AREA)
- Paper (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3144386A DE3144386C2 (de) | 1981-11-07 | 1981-11-07 | Injektorflotationsapparat |
Publications (1)
Publication Number | Publication Date |
---|---|
BE894940A true BE894940A (fr) | 1983-03-01 |
Family
ID=6145938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/209422A BE894940A (fr) | 1981-11-07 | 1982-11-05 | Appareil a injection avec point d'etranglement d'un tube melangeur situe en aval |
Country Status (11)
Country | Link |
---|---|
US (1) | US4477341A (fr) |
JP (1) | JPS5888062A (fr) |
AT (1) | ATA336782A (fr) |
BE (1) | BE894940A (fr) |
BR (1) | BR6201536U (fr) |
DE (1) | DE3144386C2 (fr) |
FI (1) | FI69969C (fr) |
FR (1) | FR2515987A1 (fr) |
GB (1) | GB2108858B (fr) |
IT (1) | IT1191065B (fr) |
SE (1) | SE446377B (fr) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2550469B1 (fr) * | 1983-08-09 | 1985-10-04 | Alsthom Atlantique | Injecteur de microbulles |
US4659521A (en) * | 1985-03-29 | 1987-04-21 | Phillips Petroleum Company | Method for condensing a gas in a liquid medium |
DE3526576A1 (de) * | 1985-07-25 | 1987-02-05 | Voith Gmbh J M | Flotationsgrossbehaelter |
US4720360A (en) * | 1986-02-10 | 1988-01-19 | Enviroquip, Inc. | Diffused aeration system |
DE3614933C1 (de) * | 1986-05-02 | 1987-10-22 | Voith Gmbh J M | Flotationsbehaelter oder -zelle |
ES2056067T3 (es) * | 1986-09-25 | 1994-10-01 | Univ Newcastle Res Ass | Metodo y aparato mejorados de flotacion en columna. |
AU677542B2 (en) * | 1986-09-25 | 1997-04-24 | University Of Newcastle Research Associates Limited, The | Improved column flotation method and apparatus |
US4952308A (en) * | 1986-12-10 | 1990-08-28 | Beloit Corporation | Pressurized flotation module and method for pressurized foam separation |
DE8701636U1 (de) * | 1987-02-04 | 1987-03-19 | J.M. Voith Gmbh, 7920 Heidenheim | Injektor |
DE3717947A1 (de) * | 1987-05-27 | 1989-02-16 | Weiss Rosemarie | Verfahren und vorrichtung zur konzentrierung von stoffen aus fluessigkeiten |
EP0546033A1 (fr) * | 1990-08-27 | 1993-06-16 | The University Of Newcastle Research Associates Limited | Aeration de liquides |
DE4116645A1 (de) * | 1991-05-22 | 1992-11-26 | Kloeckner Humboldt Deutz Ag | Vorrichtung zur durchfuehrung einer pneumatischen flotation |
DE4116916C2 (de) * | 1991-05-24 | 1994-09-22 | Escher Wyss Gmbh | Flotationseinrichtung zur Störstoff- insbesondere Druckfarbenentfernung aus Altpapiersuspensionen |
GB9213513D0 (en) * | 1992-06-25 | 1992-08-12 | Thames Water Utilities | A nozzle |
DE4224047C2 (de) * | 1992-07-21 | 1998-03-26 | Anton Felder | Vorrichtung und Verfahren zur zentrischen Beschickung von Rundsandfängen und Sandklassierern in Rundbauweise |
US5378355A (en) * | 1992-12-04 | 1995-01-03 | Water Pollution Control Corporation | Direct delivery in-situ diffuser cleaning |
DE4309918C2 (de) * | 1993-03-26 | 1994-09-15 | Voith Gmbh J M | Flotationszelle mit einem Injektor |
FI105212B (fi) * | 1994-12-02 | 2000-06-30 | Enso Gutzeit Oy | Flotaatiolaitteisto sekä menetelmä musteen ja painovärien siistaamiseksi |
US5529190A (en) * | 1995-02-06 | 1996-06-25 | Ahlstrom Machinery, Inc. | Gas sparged hydrocyclone with foam separating vessel |
US5645771A (en) * | 1995-09-21 | 1997-07-08 | The Boc Group, Inc. | Gas injection apparatus and method having application to gold leaching |
US5876639A (en) * | 1997-03-06 | 1999-03-02 | Flow-Rite Controls, Ltd. | Livewell and baitwell aerator |
AU9613498A (en) * | 1997-12-09 | 1999-07-01 | Multotec Process Equipment (Pty) Ltd | A method and apparatus for aeration of liquids or slurries |
GB2349101A (en) * | 1999-02-25 | 2000-10-25 | Redrock Eng Ltd | An animal slurry pump feeds slurry to a venturi to which air is drawn or supplied |
AT411155B (de) * | 2002-03-27 | 2003-10-27 | Andritz Ag Maschf | Vorrichtung zum abtrennen von feststoffen aus flüssigkeiten mittels flotation |
GB0217807D0 (en) * | 2002-08-01 | 2002-09-11 | Axsia Serck Baker Ltd | A gas eductor induced gas floation separator |
US20040251566A1 (en) * | 2003-06-13 | 2004-12-16 | Kozyuk Oleg V. | Device and method for generating microbubbles in a liquid using hydrodynamic cavitation |
AU2006209789B2 (en) * | 2005-02-01 | 2011-12-15 | Newcastle Innovation Limited | Method and apparatus for contacting bubbles and particles in a flotation separation system |
FI122973B (fi) * | 2005-06-17 | 2012-09-28 | Metso Paper Inc | Flotaatiokennon injektori, flotaatiokennon injektorin suutinosa ja menetelmä kuitususpensiovirtauksen ja ilman sekoittamiseksi toisiinsa flotaatiokennon injektorissa |
US20090250383A1 (en) * | 2005-12-06 | 2009-10-08 | Michael Francis Young | Flotation Method |
US7562777B1 (en) | 2006-06-12 | 2009-07-21 | Narayanasamy Seenivasan | Flotation cell injector assembly for use with open or closed flotation deinking modules for recycled paper |
US7537674B1 (en) | 2006-06-12 | 2009-05-26 | Narayanasamy Seenivasan | Closed floatation de-inking module for recycled paper |
US7544271B1 (en) | 2006-06-12 | 2009-06-09 | Narayanasamy Seenivasan | Open flotation de-inking module for recycled paper |
FI119598B (fi) * | 2007-04-05 | 2009-01-15 | Metso Paper Inc | Flotaatiokennon injektori |
DE102008056040A1 (de) | 2008-11-05 | 2010-05-06 | Voith Patent Gmbh | Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension durch Flotation sowie Vorrichtung zu seiner Durchführung |
DE102008056506A1 (de) * | 2008-11-08 | 2010-05-12 | Voith Patent Gmbh | Mischvorrichtung |
CN101439315B (zh) * | 2008-12-17 | 2013-03-13 | 中国铝业股份有限公司 | 一种无传动浮选槽 |
DE102008064271A1 (de) * | 2008-12-20 | 2010-07-01 | Voith Patent Gmbh | Verfahren zur Entfernung von Feststoffen aus einer Fasersuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung |
US8387957B2 (en) * | 2009-01-29 | 2013-03-05 | Aqua-Aerobic Systems, Inc. | Downflow mixers with gas injection devices and/or baffles |
DE102009040318A1 (de) * | 2009-09-05 | 2011-03-10 | Voith Patent Gmbh | Verfahren zur Entfernung von Störstoffen aus einer Fasersuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung |
DK177387B1 (en) * | 2010-04-12 | 2013-03-04 | Schlumberger Norge As | A flotation unit for purifying water, such as a CFU (Compact Flotation Unit) |
NL1040442C2 (nl) | 2013-10-13 | 2015-04-14 | Technologies Holding B V D | Inrichting en werkwijze voor het persen van organisch materiaal uit afval. |
CN105636679A (zh) * | 2013-10-23 | 2016-06-01 | 地球再净化株式会社 | 微细气泡生成装置和包括微细气泡生成装置的污染水净化系统 |
EP3215464B1 (fr) * | 2014-11-07 | 2023-01-04 | Anaergia Inc. | Dispositif d'élimination d'ammoniac |
US10589237B2 (en) * | 2015-09-28 | 2020-03-17 | Hamilton Sundstrand Corporation | Systems and methods for gas disposal |
US10829392B2 (en) * | 2015-10-29 | 2020-11-10 | DOOSAN Heavy Industries Construction Co., LTD | Dissolved air flotation system |
CN106269295A (zh) * | 2016-09-05 | 2017-01-04 | 洛阳豫鹭矿业有限责任公司 | 一种浮选柱 |
RU2638600C1 (ru) * | 2016-09-20 | 2017-12-14 | федеральное государственное бюджетное образовательное учреждение высшего образования "Иркутский национальный исследовательский технический университет" (ФГБОУ ВО "ИРНИТУ") | Устройство флотационного разделения смеси нано- и микроструктур |
CN114832667B (zh) * | 2022-04-25 | 2023-01-24 | 山东鑫晟生物技术股份有限公司 | 一种硫酸软骨素生产用脱色装置及其使用方法 |
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US1279040A (en) * | 1916-06-28 | 1918-09-17 | Carl C Thomas | Method and apparatus for concentrating ores by flotation. |
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US3722679A (en) * | 1970-09-24 | 1973-03-27 | L Logue | Method and means for froth flotation concentration utilizing an aerator having a venturi passage |
FR2201121A1 (en) * | 1972-10-02 | 1974-04-26 | Jarrin Andre | Flow mixing device - for liqs. and a gas, esp for treatment of polluted water |
NO136638C (no) * | 1974-11-20 | 1977-10-12 | Patents & Dev As | Anordning ved vertikal ledning (drop-line) |
US4110210A (en) * | 1975-06-02 | 1978-08-29 | Envirotech Corporation | Dispersed gas flotation process |
US4198359A (en) * | 1976-07-26 | 1980-04-15 | Todd John J | Apparatus for gasification of liquids |
DE2634496C2 (de) * | 1976-07-31 | 1985-10-17 | Bayer Ag, 5090 Leverkusen | Injektor zur Begasung einer Flüssigkeit |
AT351455B (de) * | 1976-11-03 | 1979-07-25 | Neusiedler Ag | Vorrichtung zur halb- oder vollautomatischen ermittlung und steuerung der optimalen zusatz- geschwindigkeit und des optimalen ausstroem- druckes einer unter druck erzeugten loesung eines gases in einer fluessigkeit zu einer in einem rohrsystem stroemenden fluessigkeit |
AU515490B2 (en) * | 1977-04-29 | 1981-04-09 | Envirotech Corporation | Process for clarifying liquids by flocculation |
US4179375A (en) * | 1978-08-11 | 1979-12-18 | Smith Alvin J | Aeration of waste in septic tank |
US4255262A (en) * | 1979-03-26 | 1981-03-10 | U.S. Filter Corporation | Hydraulic powered mixing apparatus |
US4267052A (en) * | 1979-12-10 | 1981-05-12 | Chang Shih Chih | Aeration method and apparatus |
DE3005815C2 (de) * | 1980-02-16 | 1982-09-23 | J.M. Voith Gmbh, 7920 Heidenheim | Vorrichtung zum Deinken von Altpapier |
-
1981
- 1981-11-07 DE DE3144386A patent/DE3144386C2/de not_active Expired
-
1982
- 1982-09-09 AT AT336782A patent/ATA336782A/de not_active Application Discontinuation
- 1982-10-20 GB GB08229949A patent/GB2108858B/en not_active Expired
- 1982-11-03 FI FI823770A patent/FI69969C/fi not_active IP Right Cessation
- 1982-11-04 US US06/439,029 patent/US4477341A/en not_active Expired - Lifetime
- 1982-11-04 SE SE8206273A patent/SE446377B/sv not_active IP Right Cessation
- 1982-11-05 BE BE0/209422A patent/BE894940A/fr not_active IP Right Cessation
- 1982-11-05 FR FR8218958A patent/FR2515987A1/fr not_active Withdrawn
- 1982-11-08 JP JP57194786A patent/JPS5888062A/ja active Pending
- 1982-11-08 IT IT2411582A patent/IT1191065B/it active
- 1982-11-08 BR BR6201536U patent/BR6201536U/pt unknown
Also Published As
Publication number | Publication date |
---|---|
JPS5888062A (ja) | 1983-05-26 |
SE8206273L (sv) | 1983-05-08 |
DE3144386A1 (de) | 1983-05-19 |
US4477341A (en) | 1984-10-16 |
DE3144386C2 (de) | 1983-12-29 |
IT8224115A0 (it) | 1982-11-08 |
FR2515987A1 (fr) | 1983-05-13 |
GB2108858A (en) | 1983-05-25 |
FI823770L (fi) | 1983-05-08 |
FI69969C (fi) | 1986-09-12 |
SE8206273D0 (sv) | 1982-11-04 |
IT1191065B (it) | 1988-02-24 |
FI823770A0 (fi) | 1982-11-03 |
GB2108858B (en) | 1986-02-12 |
FI69969B (fi) | 1986-01-31 |
ATA336782A (de) | 1987-08-15 |
SE446377B (sv) | 1986-09-08 |
BR6201536U (pt) | 1984-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: J.M. VOITH G.M.B.H. Effective date: 19871130 |