IT969207B - Aeratore di superficie centrifugo per acque di rifiuto da chiarifica re - Google Patents

Aeratore di superficie centrifugo per acque di rifiuto da chiarifica re

Info

Publication number
IT969207B
IT969207B IT976572A IT976572A IT969207B IT 969207 B IT969207 B IT 969207B IT 976572 A IT976572 A IT 976572A IT 976572 A IT976572 A IT 976572A IT 969207 B IT969207 B IT 969207B
Authority
IT
Italy
Prior art keywords
clarification
waste water
surface aerator
centrifugal surface
centrifugal
Prior art date
Application number
IT976572A
Other languages
English (en)
Original Assignee
Kaelin J R
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 Kaelin J R filed Critical Kaelin J R
Application granted granted Critical
Publication of IT969207B publication Critical patent/IT969207B/it

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)
  • Separation Of Particles Using Liquids (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT976572A 1971-11-22 1972-11-21 Aeratore di superficie centrifugo per acque di rifiuto da chiarifica re IT969207B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT969207B true IT969207B (it) 1974-03-30

Family

ID=4422311

Family Applications (1)

Application Number Title Priority Date Filing Date
IT976572A IT969207B (it) 1971-11-22 1972-11-21 Aeratore di superficie centrifugo per acque di rifiuto da chiarifica re

Country Status (21)

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

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 (it) * 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
US20110101547A1 (en) * 2007-10-18 2011-05-05 Cach Van Nguyen Fluidization aeration mixing apparatus
EP4094838A1 (en) * 2021-05-28 2022-11-30 Metso Outotec Finland Oy Rotor of gas dispersion arrangement

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
JPS4863552A (it) 1973-09-04
NL7215486A (it) 1973-05-24
BG20323A3 (it) 1975-11-05
AT310689B (de) 1973-10-10
TR17778A (tr) 1976-09-01
US3875279A (en) 1975-04-01
IL40883A (en) 1975-06-25
CH531893A (de) 1972-12-31
DD100231A5 (it) 1973-09-12
PL80522B1 (it) 1975-08-30
ES408892A1 (es) 1975-11-16
BE791664A (fr) 1973-03-16
HU171602B (hu) 1978-02-28
DE2164359A1 (de) 1973-05-30
IL40883A0 (en) 1973-01-30
CS168012B2 (it) 1976-05-28
GB1411109A (en) 1975-10-22
ZA728237B (en) 1973-07-25
DE2164359B2 (de) 1976-03-25
CA972485A (en) 1975-08-05
IE38146L (en) 1973-05-22
IE38146B1 (en) 1978-01-04
JPS5548877B2 (it) 1980-12-09
RO61440A (it) 1977-03-15
FR2160917B1 (it) 1977-12-30
FR2160917A1 (it) 1973-07-06

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