FR2569575B1 - DEEP-WATER OXYGENATION PROCESS AND PLANT - Google Patents

DEEP-WATER OXYGENATION PROCESS AND PLANT

Info

Publication number
FR2569575B1
FR2569575B1 FR8413562A FR8413562A FR2569575B1 FR 2569575 B1 FR2569575 B1 FR 2569575B1 FR 8413562 A FR8413562 A FR 8413562A FR 8413562 A FR8413562 A FR 8413562A FR 2569575 B1 FR2569575 B1 FR 2569575B1
Authority
FR
France
Prior art keywords
deep
plant
water oxygenation
oxygenation process
water
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 - Fee Related
Application number
FR8413562A
Other languages
French (fr)
Other versions
FR2569575A1 (en
Inventor
Alain Rigouard
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.)
Air Liquide SA
Original Assignee
Air Liquide SA
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 Air Liquide SA filed Critical Air Liquide SA
Priority to FR8413562A priority Critical patent/FR2569575B1/en
Publication of FR2569575A1 publication Critical patent/FR2569575A1/en
Application granted granted Critical
Publication of FR2569575B1 publication Critical patent/FR2569575B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B01F25/211—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being surrounded by guiding tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
    • 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
    • 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
    • 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)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
FR8413562A 1984-09-03 1984-09-03 DEEP-WATER OXYGENATION PROCESS AND PLANT Expired - Fee Related FR2569575B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8413562A FR2569575B1 (en) 1984-09-03 1984-09-03 DEEP-WATER OXYGENATION PROCESS AND PLANT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8413562A FR2569575B1 (en) 1984-09-03 1984-09-03 DEEP-WATER OXYGENATION PROCESS AND PLANT

Publications (2)

Publication Number Publication Date
FR2569575A1 FR2569575A1 (en) 1986-03-07
FR2569575B1 true FR2569575B1 (en) 1990-02-16

Family

ID=9307389

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8413562A Expired - Fee Related FR2569575B1 (en) 1984-09-03 1984-09-03 DEEP-WATER OXYGENATION PROCESS AND PLANT

Country Status (1)

Country Link
FR (1) FR2569575B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000071235A1 (en) * 1999-05-20 2000-11-30 Stem Drive Limited Fluid mixing system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1142557A (en) * 1956-02-07 1957-09-19 Pepin Fils Device for mixing liquids and in particular liquid foodstuffs
US3968086A (en) * 1970-06-12 1976-07-06 Atara Corporation Double funnel device for oxygenating sewage
DE2225976C3 (en) * 1971-06-01 1980-09-04 Atlas Copco Ab, Nacka (Schweden) Process and device for the oxygenation of water in bodies of water
FR2397870A1 (en) * 1977-07-18 1979-02-16 Coorens Antoine Hydraulically operated ejector unit esp. for packages - has propelling agent inlet connected between inner discs forming mouthpiece and medium between outer ones
CH651280A5 (en) * 1980-12-22 1985-09-13 Wenaweser & Dr R Wolfensberger METHOD AND DEVICE FOR TREATING STANDING WATERS.

Also Published As

Publication number Publication date
FR2569575A1 (en) 1986-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse