FR2160917B1 - - Google Patents

Info

Publication number
FR2160917B1
FR2160917B1 FR7241333A FR7241333A FR2160917B1 FR 2160917 B1 FR2160917 B1 FR 2160917B1 FR 7241333 A FR7241333 A FR 7241333A FR 7241333 A FR7241333 A FR 7241333A FR 2160917 B1 FR2160917 B1 FR 2160917B1
Authority
FR
France
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
FR7241333A
Other versions
FR2160917A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2160917A1 publication Critical patent/FR2160917A1/fr
Application granted granted Critical
Publication of FR2160917B1 publication Critical patent/FR2160917B1/fr
Expired legal-status Critical Current

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
    • C02F3/14—Activated sludge processes using surface aeration
    • C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
    • 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
    • B01F23/234—Surface aerating
    • B01F23/2342—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force
    • B01F23/23421—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force the stirrers rotating about a vertical axis
    • B01F23/234211—Stirrers thereof
    • 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)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Separation Of Particles Using Liquids (AREA)
FR7241333A 1971-11-22 1972-11-21 Expired FR2160917B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1704271A CH531893A (de) 1971-11-22 1971-11-22 Oberflächenbelüftungskreisel

Publications (2)

Publication Number Publication Date
FR2160917A1 FR2160917A1 (fr) 1973-07-06
FR2160917B1 true FR2160917B1 (fr) 1977-12-30

Family

ID=4422311

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7241333A Expired FR2160917B1 (fr) 1971-11-22 1972-11-21

Country Status (21)

Country Link
US (1) US3875279A (fr)
JP (1) JPS5548877B2 (fr)
AT (1) AT310689B (fr)
BE (1) BE791664A (fr)
BG (1) BG20323A3 (fr)
CA (1) CA972485A (fr)
CH (1) CH531893A (fr)
CS (1) CS168012B2 (fr)
DD (1) DD100231A5 (fr)
ES (1) ES408892A1 (fr)
FR (1) FR2160917B1 (fr)
GB (1) GB1411109A (fr)
HU (1) HU171602B (fr)
IE (1) IE38146B1 (fr)
IL (1) IL40883A (fr)
IT (1) IT969207B (fr)
NL (1) NL7215486A (fr)
PL (1) PL80522B1 (fr)
RO (1) RO61440A (fr)
TR (1) TR17778A (fr)
ZA (1) ZA728237B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4143999A (en) * 1974-04-09 1979-03-13 Weir Pumps Limited Fluid machines
AU510239B2 (en) * 1976-06-18 1980-06-19 General Signal Corporation Liquid aeration impeller
DK211281A (da) * 1981-05-13 1982-11-14 A S Frandsen Iltningsanlaeg til vandomraader,isaer fiskedamme
CH655533B (fr) * 1981-08-14 1986-04-30
US5051213A (en) * 1983-08-16 1991-09-24 Weske John R Method and apparatus for mixing fluids
US5660766A (en) * 1995-09-22 1997-08-26 Van Dyek; Bernhard Aerator
US6280143B1 (en) * 1999-11-30 2001-08-28 Fantom Technologies Inc. Blade for fluid pump
US7559538B2 (en) * 2006-01-27 2009-07-14 Dbs Manufacturing, Inc. Wastewater treatment system and method of using same
WO2009052535A2 (fr) * 2007-10-18 2009-04-23 Van Cach Nguyen Appareil mélangeur d'aération et de fluidisation
EP4094838A1 (fr) * 2021-05-28 2022-11-30 Metso Outotec Finland Oy Rotor d'agencement de dispersion de gaz

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1835559A (en) * 1928-05-15 1931-12-08 Samuel C Cutler Atomizing and humidifying apparatus
US2079574A (en) * 1934-12-04 1937-05-04 George Von Seebeck Air conditioning apparatus
GB1022284A (en) * 1963-04-04 1966-03-09 Ames Crosta Mills & Company Lt Improvements in or relating to the surface aeration of liquids
US3273865A (en) * 1964-06-23 1966-09-20 American Radiator & Standard Aerator
US3470092A (en) * 1967-05-08 1969-09-30 Degremont Sa System for the purification of waste waters
US3462132A (en) * 1967-08-07 1969-08-19 Kaelin J R System for surface aeration of liquid
US3478691A (en) * 1967-12-27 1969-11-18 Us Navy Quiet multivane multirow impeller for centrifugal pumps
CH463409A (de) * 1968-05-28 1968-09-30 Kaelin J R Oberflächenbelüfter zum Umwälzen und Belüften von flüssigkeiten, insbesondere für Abwasserreinigungsanlagen
CH495293A (de) * 1969-05-19 1970-08-31 Kaelin J R Vertikalachsiger Belüfterkreisel zum Belüften von Flüssigkeiten
DE1964308C3 (de) * 1969-12-20 1980-10-30 Maschinenfabrik Hellmut Geiger Gmbh & Co Kg, 7500 Karlsruhe Vorrichtung zum Begasen und Umwälzen von Flüssigkeiten

Also Published As

Publication number Publication date
CA972485A (en) 1975-08-05
GB1411109A (en) 1975-10-22
IL40883A0 (en) 1973-01-30
TR17778A (tr) 1976-09-01
FR2160917A1 (fr) 1973-07-06
AT310689B (de) 1973-10-10
DD100231A5 (fr) 1973-09-12
PL80522B1 (fr) 1975-08-30
BG20323A3 (fr) 1975-11-05
BE791664A (fr) 1973-03-16
JPS4863552A (fr) 1973-09-04
ES408892A1 (es) 1975-11-16
DE2164359B2 (de) 1976-03-25
IL40883A (en) 1975-06-25
US3875279A (en) 1975-04-01
CS168012B2 (fr) 1976-05-28
IT969207B (it) 1974-03-30
RO61440A (fr) 1977-03-15
NL7215486A (fr) 1973-05-24
CH531893A (de) 1972-12-31
JPS5548877B2 (fr) 1980-12-09
DE2164359A1 (de) 1973-05-30
ZA728237B (en) 1973-07-25
HU171602B (hu) 1978-02-28
IE38146B1 (en) 1978-01-04
IE38146L (en) 1973-05-22

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Legal Events

Date Code Title Description
ST Notification of lapse