NL137786C - - Google Patents

Info

Publication number
NL137786C
NL137786C NL6900075A NL6900075A NL137786C NL 137786 C NL137786 C NL 137786C NL 6900075 A NL6900075 A NL 6900075A NL 6900075 A NL6900075 A NL 6900075A NL 137786 C NL137786 C NL 137786C
Authority
NL
Netherlands
Application number
NL6900075A
Other versions
NL6900075A (xx
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 filed Critical
Publication of NL6900075A publication Critical patent/NL6900075A/xx
Application granted granted Critical
Publication of NL137786C publication Critical patent/NL137786C/xx

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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
NL6900075A 1968-01-04 1969-01-03 NL137786C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1632423A DE1632423B2 (de) 1968-01-04 1968-01-04 Vorrichtung zum Begasen von Flüssigkelten

Publications (2)

Publication Number Publication Date
NL6900075A NL6900075A (xx) 1969-07-08
NL137786C true NL137786C (xx) 1973-01-15

Family

ID=5683485

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6900075A NL137786C (xx) 1968-01-04 1969-01-03

Country Status (5)

Country Link
US (1) US3559964A (xx)
DE (1) DE1632423B2 (xx)
FR (1) FR1602010A (xx)
GB (1) GB1253251A (xx)
NL (1) NL137786C (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060603A1 (en) * 1981-03-17 1982-09-22 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO Stirrer, having substantially triangular, radial blades, rising towards the circumference

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954606A (en) * 1973-11-12 1976-05-04 Air Products And Chemicals, Inc. Wastewater treatment system with controlled mixing
NL7316997A (nl) * 1973-12-12 1975-06-16 Sneek Landustrie Oppervlaksbeluchter.
US3940461A (en) * 1974-02-15 1976-02-24 Ernest J. Martin Liquid aeration method and pump apparatus with stationary vanes and downward flow
US3981628A (en) * 1974-04-08 1976-09-21 Carter James C Pump
FR2293235A1 (fr) * 1974-12-05 1976-07-02 Roland Jean Louis Dispositif pour introduire un gaz dans un liquide
FR2372774A2 (fr) * 1976-12-06 1978-06-30 Cersoaf Perfectionnements aux turbines d'aeration de liquides
SE412011B (sv) * 1978-03-31 1980-02-18 Sala International Ab Anordning vid apparater for inblandning och losning av gaser i vetskemassor, vilka av ett axialpumpshjul uppfordras genom en vertikal stigledning
DK211281A (da) * 1981-05-13 1982-11-14 A S Frandsen Iltningsanlaeg til vandomraader,isaer fiskedamme
FR2517564B1 (fr) * 1981-12-07 1987-02-27 Etude Tech Realisa Equip Turbine rapide flottante d'aeration, notamment pour l'epuration des eaux
FR2609459A1 (fr) * 1987-01-12 1988-07-15 Tech Melange Indl Appareil agitateur et aerateur d'une masse liquide, notamment pour station d'epuration biologique
DE10050030B4 (de) * 2000-10-06 2005-12-01 Schulz Verfahrenstechnik Gmbh Verfahren und Vorrichtung zum Eintragen von Gasen in flüssige Medien
ITVE20040015A1 (it) * 2004-04-22 2004-07-22 Hydor Srl Aeratore rotante per acquari
EP2821129A1 (en) * 2013-07-05 2015-01-07 Happihyrrä Oy Apparatus for treatment of liquid

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1210781A (en) * 1915-03-01 1917-01-02 Alpheus Fay Apparatus for operating upon composite substances.
US2072944A (en) * 1934-12-21 1937-03-09 Chicago Pump Co Aerator
US2054395A (en) * 1935-03-08 1936-09-15 Underpinning & Foundation Comp Apparatus for aerating sewage and the like
US2698745A (en) * 1950-12-26 1955-01-04 Howard Earl Air cleaner
US3125614A (en) * 1959-03-05 1964-03-17 Figure
DE1557138B2 (de) * 1966-02-10 1973-08-23 Metallgesellschaft AG, 6000 Frank fürt Vorrichtung zum begasen von fluessigkeiten
US3416729A (en) * 1966-08-12 1968-12-17 Richards Of Rockford Inc Liquid aerator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060603A1 (en) * 1981-03-17 1982-09-22 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO Stirrer, having substantially triangular, radial blades, rising towards the circumference
US4444510A (en) * 1981-03-17 1984-04-24 Nederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Stirrer, having substantially triangular, radial blades, rising toward the circumference

Also Published As

Publication number Publication date
DE1632423A1 (de) 1969-10-23
GB1253251A (xx) 1971-11-10
FR1602010A (xx) 1970-09-28
US3559964A (en) 1971-02-02
DE1632423B2 (de) 1975-01-23
NL6900075A (xx) 1969-07-08

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