CH627146A5 - - Google Patents

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Publication number
CH627146A5
CH627146A5 CH171778A CH171778A CH627146A5 CH 627146 A5 CH627146 A5 CH 627146A5 CH 171778 A CH171778 A CH 171778A CH 171778 A CH171778 A CH 171778A CH 627146 A5 CH627146 A5 CH 627146A5
Authority
CH
Switzerland
Prior art keywords
pipe
wastewater
water
flow
container
Prior art date
Application number
CH171778A
Other languages
German (de)
English (en)
Inventor
Hans Bertschinger
Alfred Scherler
Original Assignee
Locher & Cie Ag
Attisholz Cellulose
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 Locher & Cie Ag, Attisholz Cellulose filed Critical Locher & Cie Ag
Priority to CH171778A priority Critical patent/CH627146A5/de
Priority to EP19790100396 priority patent/EP0003787B1/de
Priority to DE7979100396T priority patent/DE2960911D1/de
Priority to US06/011,890 priority patent/US4392954A/en
Priority to AT114279A priority patent/AT384801B/de
Priority to CA321,654A priority patent/CA1122727A/en
Publication of CH627146A5 publication Critical patent/CH627146A5/de

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
    • 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
    • C02F3/20—Activated sludge processes using diffusers
    • C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • C02F3/206—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with helical screw impellers
    • 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
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/226—"Deep shaft" processes
    • 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)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
CH171778A 1978-02-16 1978-02-16 CH627146A5 (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH171778A CH627146A5 (sv) 1978-02-16 1978-02-16
EP19790100396 EP0003787B1 (de) 1978-02-16 1979-02-12 Abwasserbelüftungsbecken
DE7979100396T DE2960911D1 (en) 1978-02-16 1979-02-12 Waste water aeration basin
US06/011,890 US4392954A (en) 1978-02-16 1979-02-13 Sewage ventilating basin
AT114279A AT384801B (de) 1978-02-16 1979-02-14 Abwasserbelueftungsbecken
CA321,654A CA1122727A (en) 1978-02-16 1979-02-16 Waste water aeration tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH171778A CH627146A5 (sv) 1978-02-16 1978-02-16

Publications (1)

Publication Number Publication Date
CH627146A5 true CH627146A5 (sv) 1981-12-31

Family

ID=4216950

Family Applications (1)

Application Number Title Priority Date Filing Date
CH171778A CH627146A5 (sv) 1978-02-16 1978-02-16

Country Status (6)

Country Link
US (1) US4392954A (sv)
EP (1) EP0003787B1 (sv)
AT (1) AT384801B (sv)
CA (1) CA1122727A (sv)
CH (1) CH627146A5 (sv)
DE (1) DE2960911D1 (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1115496A (en) * 1978-03-17 1982-01-05 Jay L. Mcgrew Method and apparatus for effecting subsurface, controlled, accelerated chemical reactions
CA1321135C (en) * 1988-09-27 1993-08-10 Union Carbide Corporation Process for dissolving a gas in a liquid
GB2233245A (en) * 1989-06-27 1991-01-09 Lian Seng Lee Injecting gas into liquid
GB9103860D0 (en) 1991-02-25 1991-04-10 Electrolux Northern Grass cutting machines
CA2345694C (en) * 1998-09-28 2008-12-09 Glen D. Lindbo Wastewater treatment tank with influent gates and pre-react zone with an outwardly flared lower portion
US7160457B2 (en) * 2004-10-07 2007-01-09 Black & Veatch Holding Corp. Digester cover
WO2023023890A1 (en) * 2021-08-23 2023-03-02 Linde Gmbh A device for dissolving gas in water

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1900809A (en) * 1929-02-26 1933-03-07 Carroll B Abbott Sewage purification system
GB442510A (en) * 1933-07-14 1936-02-03 Dorr Co Inc Improvements in sewage treatment
US2060166A (en) * 1934-11-12 1936-11-10 Bowen William Spencer Fluid treating mechanism and method
US2348122A (en) * 1940-05-29 1944-05-02 Infilco Inc Liquid treatment
US3650950A (en) * 1969-08-20 1972-03-21 Robert W White Material shearing mixer and aerator
US3979294A (en) * 1971-11-22 1976-09-07 Kaelin J R Clarification plant
CH548795A (de) * 1972-09-12 1974-05-15 Escher Wyss Ag Dekanter.
AT319864B (de) * 1973-04-11 1975-01-10 Waagner Biro Ag Verfahren und Einrichtung zur Behandlung von Flüssigkeiten oder Trüben
FR2249703A1 (en) * 1973-10-31 1975-05-30 Alsthom Cgee Floating gas-liq. exchange appts. - for oxygenation of large vols. of water such as lakes
US3997437A (en) * 1975-07-25 1976-12-14 Prince Jack E Aerobic type sewage digestion system
GB1484657A (en) * 1975-08-19 1977-09-01 Kamelmacher E Liquid treatment plants and methods for their operation
FR2357484A1 (fr) * 1976-07-08 1978-02-03 Alsthom Cgee Procede de traitement des effluents oxydables
CH604860A5 (sv) * 1976-08-19 1978-09-15 Kaelin J R

Also Published As

Publication number Publication date
ATA114279A (de) 1987-06-15
EP0003787A1 (de) 1979-09-05
US4392954A (en) 1983-07-12
EP0003787B1 (de) 1981-10-07
AT384801B (de) 1988-01-11
CA1122727A (en) 1982-04-27
DE2960911D1 (en) 1981-12-17

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Legal Events

Date Code Title Description
PL Patent ceased