SE7412092L - - Google Patents

Info

Publication number
SE7412092L
SE7412092L SE7412092A SE7412092A SE7412092L SE 7412092 L SE7412092 L SE 7412092L SE 7412092 A SE7412092 A SE 7412092A SE 7412092 A SE7412092 A SE 7412092A SE 7412092 L SE7412092 L SE 7412092L
Authority
SE
Sweden
Application number
SE7412092A
Inventor
T C Rooney
R E Crandall
Original Assignee
Envirex
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 Envirex filed Critical Envirex
Publication of SE7412092L publication Critical patent/SE7412092L/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/181—Axial flow rotors
    • F04D29/183—Semi axial flow rotors
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
SE7412092A 1973-09-26 1974-09-25 SE7412092L (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40110073 US3904714A (en) 1973-09-26 1973-09-26 Low-speed mechanical aerator impeller

Publications (1)

Publication Number Publication Date
SE7412092L true SE7412092L (fr) 1975-03-27

Family

ID=23586299

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7412092A SE7412092L (fr) 1973-09-26 1974-09-25

Country Status (8)

Country Link
US (1) US3904714A (fr)
JP (1) JPS5852686B2 (fr)
BE (1) BE819964A (fr)
FR (1) FR2257799A1 (fr)
GB (1) GB1441502A (fr)
IT (1) IT1030060B (fr)
NL (1) NL7412642A (fr)
SE (1) SE7412092L (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2313114A1 (fr) * 1975-06-04 1976-12-31 Procedes Sem Nouveaux perfectionnements aux helices pour melangeurs
JPS6031537B2 (ja) * 1981-11-20 1985-07-23 聡 砂田 気液接触装置
EP0110562B1 (fr) * 1982-10-28 1987-07-08 R. Goodwin International Ltd Procédé d'agitation de particules solides
US4652382A (en) * 1984-10-19 1987-03-24 International Waste Water Reclamation Technologies, Inc. Process and apparatus for continuously treating sewage wastewater by chemical oxidation
US5040900A (en) * 1989-06-16 1991-08-20 United States Pollution Control Company, Inc. Sludge stabilizing method and apparatus
US4943165A (en) * 1989-06-16 1990-07-24 United States Pollution Control Company, Inc. Sludge stabilizing method and apparatus
US20040188334A1 (en) * 1998-09-28 2004-09-30 Mcwhirter John R. Novel biochemical oxidation system
US6224041B1 (en) 1999-05-28 2001-05-01 Smith & Loveless, Inc. Splash plate structure for aerators
JP2010042411A (ja) * 2009-09-25 2010-02-25 Penn State Research Foundation 表面曝気羽根車
CA2877481C (fr) 2012-06-20 2020-07-07 Philadelphia Mixing Solutions, Ltd. Helice axiale formee sans raclement a haut rendement
US10173184B2 (en) * 2015-03-25 2019-01-08 Schlumberger Technology Corporation Blender for mixing and pumping solids and fluids and method of use thereof
NO344723B1 (no) * 2018-05-16 2020-03-23 Tore Hystad Sentrifugalpumpe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2072944A (en) * 1934-12-21 1937-03-09 Chicago Pump Co Aerator
US2354653A (en) * 1940-06-11 1944-08-01 Gen Electric Impeller
US2346366A (en) * 1941-12-29 1944-04-11 Lewis H Durdin Mechanical aerator
FR88774E (fr) * 1962-05-07 1967-06-07
US3470092A (en) * 1967-05-08 1969-09-30 Degremont Sa System for the purification of waste waters

Also Published As

Publication number Publication date
NL7412642A (nl) 1975-04-01
FR2257799A1 (fr) 1975-08-08
JPS5852686B2 (ja) 1983-11-24
US3904714A (en) 1975-09-09
IT1030060B (it) 1979-03-30
AU7349074A (en) 1976-03-25
BE819964A (fr) 1975-01-16
GB1441502A (en) 1976-07-07
JPS5059858A (fr) 1975-05-23

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