FR2214510A1 - Oxygenation of effluent streams contg. organic matl. - using pure oxygen with pumped recirculation where downward velocity is slightly less than bubble rise - Google Patents

Oxygenation of effluent streams contg. organic matl. - using pure oxygen with pumped recirculation where downward velocity is slightly less than bubble rise

Info

Publication number
FR2214510A1
FR2214510A1 FR7402321A FR7402321A FR2214510A1 FR 2214510 A1 FR2214510 A1 FR 2214510A1 FR 7402321 A FR7402321 A FR 7402321A FR 7402321 A FR7402321 A FR 7402321A FR 2214510 A1 FR2214510 A1 FR 2214510A1
Authority
FR
France
Prior art keywords
pure oxygen
matl
contg
oxygenation
effluent streams
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.)
Granted
Application number
FR7402321A
Other languages
English (en)
French (fr)
Other versions
FR2214510B1 (OSRAM
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.)
Linde GmbH
Original Assignee
Linde GmbH
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 Linde GmbH filed Critical Linde GmbH
Publication of FR2214510A1 publication Critical patent/FR2214510A1/fr
Application granted granted Critical
Publication of FR2214510B1 publication Critical patent/FR2214510B1/fr
Granted 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
    • C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
    • 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
    • C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Physical Water Treatments (AREA)
FR7402321A 1973-01-24 1974-01-24 Oxygenation of effluent streams contg. organic matl. - using pure oxygen with pumped recirculation where downward velocity is slightly less than bubble rise Granted FR2214510A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2303396A DE2303396A1 (de) 1973-01-24 1973-01-24 Verfahren zum loesen eines gases oder einer gaskomponente in einer fluessigkeit

Publications (2)

Publication Number Publication Date
FR2214510A1 true FR2214510A1 (en) 1974-08-19
FR2214510B1 FR2214510B1 (OSRAM) 1977-09-02

Family

ID=5869821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7402321A Granted FR2214510A1 (en) 1973-01-24 1974-01-24 Oxygenation of effluent streams contg. organic matl. - using pure oxygen with pumped recirculation where downward velocity is slightly less than bubble rise

Country Status (5)

Country Link
JP (1) JPS49109263A (OSRAM)
CH (1) CH563801A5 (OSRAM)
DE (1) DE2303396A1 (OSRAM)
FR (1) FR2214510A1 (OSRAM)
IT (1) IT1007005B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0377811A3 (de) * 1989-01-12 1990-10-24 Reinhard Dipl.-Ing. Glass Verfahren und Vorrichtung zur Reinigung von Abgasen

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2507698C2 (de) * 1975-02-22 1984-10-25 Linde Ag, 6200 Wiesbaden Vorrichtung zum Begasen einer Flüssigkeit
JPS51128833A (en) * 1975-05-01 1976-11-10 Ebara Infilco Co Ltd Aeration method
JPS51128836A (en) * 1975-05-02 1976-11-10 Ebara Infilco Co Ltd An aeration device
CA1139463A (en) * 1979-10-02 1983-01-11 Jon G. Albertsson Apparatus for contacting a liquid with a gas
DE3068364D1 (en) * 1979-10-02 1984-08-02 Union Carbide Corp Apparatus for contacting liquid with a gas
JPS5826078Y2 (ja) * 1982-01-14 1983-06-04 荏原インフイルコ株式会社 曝気装置
DE4224912A1 (de) * 1991-12-02 1993-06-03 Tech Resources Pty Ltd Reaktor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2054074A5 (OSRAM) * 1969-07-02 1971-04-16 Union Carbide Corp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2054074A5 (OSRAM) * 1969-07-02 1971-04-16 Union Carbide Corp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0377811A3 (de) * 1989-01-12 1990-10-24 Reinhard Dipl.-Ing. Glass Verfahren und Vorrichtung zur Reinigung von Abgasen

Also Published As

Publication number Publication date
FR2214510B1 (OSRAM) 1977-09-02
DE2303396A1 (de) 1974-07-25
IT1007005B (it) 1976-10-30
CH563801A5 (OSRAM) 1975-07-15
JPS49109263A (OSRAM) 1974-10-17

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Legal Events

Date Code Title Description
ST Notification of lapse