FR2094697A5 - - Google Patents

Info

Publication number
FR2094697A5
FR2094697A5 FR7024156A FR7024156A FR2094697A5 FR 2094697 A5 FR2094697 A5 FR 2094697A5 FR 7024156 A FR7024156 A FR 7024156A FR 7024156 A FR7024156 A FR 7024156A FR 2094697 A5 FR2094697 A5 FR 2094697A5
Authority
FR
France
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
FR7024156A
Other languages
French (fr)
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.)
Beazer East Inc
Original Assignee
Koppers Co Inc
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 to DE19691928936 priority Critical patent/DE1928936C/en
Priority claimed from DE19691928936 external-priority patent/DE1928936C/en
Priority to GB1316866D priority patent/GB1316866A/en
Application filed by Koppers Co Inc filed Critical Koppers Co Inc
Priority to FR7024156A priority patent/FR2094697A5/fr
Priority to FR7101583A priority patent/FR2088252A2/en
Application granted granted Critical
Publication of FR2094697A5 publication Critical patent/FR2094697A5/fr
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
    • 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
    • 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)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
FR7024156A 1969-06-07 1970-06-30 Expired FR2094697A5 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19691928936 DE1928936C (en) 1969-06-07 Device for aerating a liquid
GB1316866D GB1316866A (en) 1969-06-07 1970-06-29 Aerator for introducing oxygen into liquids
FR7024156A FR2094697A5 (en) 1969-06-07 1970-06-30
FR7101583A FR2088252A2 (en) 1970-03-23 1971-01-19 Centrifugal aerator

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19691928936 DE1928936C (en) 1969-06-07 Device for aerating a liquid
GB3134870 1970-06-29
FR7024156A FR2094697A5 (en) 1969-06-07 1970-06-30

Publications (1)

Publication Number Publication Date
FR2094697A5 true FR2094697A5 (en) 1972-02-04

Family

ID=27181969

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7024156A Expired FR2094697A5 (en) 1969-06-07 1970-06-30

Country Status (2)

Country Link
FR (1) FR2094697A5 (en)
GB (1) GB1316866A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103004683B (en) * 2013-01-16 2014-03-05 广州大学 Automatic feeding and aerating device for pound

Also Published As

Publication number Publication date
GB1316866A (en) 1973-05-16
DE1928936B2 (en) 1972-10-05
DE1928936A1 (en) 1970-12-10

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Legal Events

Date Code Title Description
ST Notification of lapse