FR2097874A5 - - Google Patents

Info

Publication number
FR2097874A5
FR2097874A5 FR7121496A FR7121496A FR2097874A5 FR 2097874 A5 FR2097874 A5 FR 2097874A5 FR 7121496 A FR7121496 A FR 7121496A FR 7121496 A FR7121496 A FR 7121496A FR 2097874 A5 FR2097874 A5 FR 2097874A5
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
FR7121496A
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.)
Bridgestone Firestone Inc
Original Assignee
Firestone Tire and Rubber Co
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 Firestone Tire and Rubber Co filed Critical Firestone Tire and Rubber Co
Application granted granted Critical
Publication of FR2097874A5 publication Critical patent/FR2097874A5/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
    • C02F3/26—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
    • 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
    • C02F3/145—Protection against aerosols
    • 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)
  • Laminated Bodies (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
FR7121496A 1970-06-15 1971-06-14 Expired FR2097874A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4605570A 1970-06-15 1970-06-15
US11871471A 1971-02-25 1971-02-25

Publications (1)

Publication Number Publication Date
FR2097874A5 true FR2097874A5 (enrdf_load_stackoverflow) 1972-03-03

Family

ID=26723515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7121496A Expired FR2097874A5 (enrdf_load_stackoverflow) 1970-06-15 1971-06-14

Country Status (4)

Country Link
CA (1) CA940242A (enrdf_load_stackoverflow)
DE (1) DE2126821A1 (enrdf_load_stackoverflow)
FR (1) FR2097874A5 (enrdf_load_stackoverflow)
GB (1) GB1290308A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329334A1 (fr) * 1975-10-31 1977-05-27 Air Prod & Chem Appareil destine a dissoudre un gaz dans un liquide et procede de pisciculture
FR2633608A1 (fr) * 1988-06-30 1990-01-05 Degremont Appareil perfectionne pour l'epaississement, par flottation, de boues produites lors du traitement d'eaux
EP0521241A1 (de) * 1991-06-25 1993-01-07 Sanwa Seidlitz Gmbh Vorrichtung zum Anreichern von Gewässern mit Sauerstoff

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1304565B1 (it) * 1998-07-08 2001-03-19 Silvano Becchi Apparecchiatura perfezionata per la ossigenazione di acque nei bacini.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329334A1 (fr) * 1975-10-31 1977-05-27 Air Prod & Chem Appareil destine a dissoudre un gaz dans un liquide et procede de pisciculture
FR2633608A1 (fr) * 1988-06-30 1990-01-05 Degremont Appareil perfectionne pour l'epaississement, par flottation, de boues produites lors du traitement d'eaux
US4994182A (en) * 1988-06-30 1991-02-19 Degremont Apparatus for the thickening by floatation of slurries produced during the treatment of waters
EP0521241A1 (de) * 1991-06-25 1993-01-07 Sanwa Seidlitz Gmbh Vorrichtung zum Anreichern von Gewässern mit Sauerstoff

Also Published As

Publication number Publication date
DE2126821A1 (enrdf_load_stackoverflow) 1971-12-30
GB1290308A (enrdf_load_stackoverflow) 1972-09-27
CA940242A (en) 1974-01-15

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Legal Events

Date Code Title Description
ST Notification of lapse