CA963187A - Method and device for lake restoration by oxygen-enriching of the water - Google Patents

Method and device for lake restoration by oxygen-enriching of the water

Info

Publication number
CA963187A
CA963187A CA143,275A CA143275A CA963187A CA 963187 A CA963187 A CA 963187A CA 143275 A CA143275 A CA 143275A CA 963187 A CA963187 A CA 963187A
Authority
CA
Canada
Prior art keywords
enriching
oxygen
water
lake restoration
lake
Prior art date
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
CA143,275A
Other languages
English (en)
Other versions
CA143275S (en
Inventor
Bo L. Verner
Lars B. S. Fors
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
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
Priority claimed from SE700271A external-priority patent/SE352874B/xx
Priority claimed from SE97272A external-priority patent/SE360846C/xx
Application filed by Atlas Copco AB filed Critical Atlas Copco AB
Application granted granted Critical
Publication of CA963187A publication Critical patent/CA963187A/en
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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • C02F1/64—Heavy metal compounds of iron or manganese
    • C02F1/645—Devices for iron precipitation and treatment by air
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B01F23/23231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B01F23/23231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit
    • B01F23/232311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit the conduits being vertical draft pipes with a lower intake end and an upper exit end
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/3203—Gas driven
    • 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
    • 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
    • C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/32015—Flow driven
    • 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)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
CA143,275A 1971-06-01 1972-05-29 Method and device for lake restoration by oxygen-enriching of the water Expired CA963187A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE700271A SE352874B (de) 1971-06-01 1971-06-01
SE97272A SE360846C (de) 1972-01-28 1972-01-28

Publications (1)

Publication Number Publication Date
CA963187A true CA963187A (en) 1975-02-18

Family

ID=26654195

Family Applications (1)

Application Number Title Priority Date Filing Date
CA143,275A Expired CA963187A (en) 1971-06-01 1972-05-29 Method and device for lake restoration by oxygen-enriching of the water

Country Status (8)

Country Link
AT (1) AT313205B (de)
CA (1) CA963187A (de)
CH (1) CH536794A (de)
DE (1) DE2225976C3 (de)
FI (1) FI59081C (de)
FR (1) FR2140125B1 (de)
GB (1) GB1393028A (de)
NO (1) NO134488C (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2710109C2 (de) * 1976-06-18 1982-11-04 Industrial Research Institute, Tokyo Vorrichtung zur Anreicherung von gelöstem Sauerstoff in Wasser
GB2064970B (en) * 1979-12-13 1983-02-09 Venturator Ltd Device for the gasification of liquids
FR2473351A1 (fr) * 1980-01-09 1981-07-17 Degremont Sa Dispositif d'introduction de gaz dans un liquide
EP0210296A1 (de) * 1985-08-01 1987-02-04 Klaus-Peter Dipl.-Phys. Schmidt-Kufeke Rohrförmiger Belüfter
FR2569575B1 (fr) * 1984-09-03 1990-02-16 Air Liquide Procede et installation d'oxygenation en eau profonde
DE3675632D1 (de) * 1985-05-07 1990-12-20 Fred Dipl Ing Petersen Verfahren zur einbringung von sauerstoff in wasser und vorrichtung zur durchfuehrung des verfahrens.
DE3931617A1 (de) * 1989-09-22 1991-04-04 Ieg Ind Engineering Gmbh Anordnung zur reinigung und belueftung von offenen gewaessern
EP0457261B1 (de) * 1990-05-16 1993-03-10 TEGEO Tegtmeyer Geophysik GmbH Einrichtung zur Reinigung von beispielsweise mit Schadstoffen belastetem Grundwasser
FR2698867B1 (fr) * 1992-12-04 1995-01-06 Carboxyque Francaise Installation d'oxygénation d'une masse d'eau.
SE541852C2 (en) * 2017-09-04 2019-12-27 Wallenius Water Innovation Ab A system for providing a flow to a fluid, a tank comprising the system and a method
WO2020222655A1 (en) * 2019-04-29 2020-11-05 Searas As Device for transport and treatment of liquid

Also Published As

Publication number Publication date
GB1393028A (en) 1975-05-07
NO134488B (de) 1976-07-12
FR2140125A1 (de) 1973-01-12
CH536794A (de) 1973-05-15
DE2225976A1 (de) 1972-12-07
FI59081C (fi) 1981-06-10
DE2225976B2 (de) 1977-11-10
FR2140125B1 (de) 1977-04-29
NO134488C (de) 1976-10-20
DE2225976C3 (de) 1980-09-04
FI59081B (fi) 1981-02-27
AT313205B (de) 1974-02-11

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