FR2313322B1 - - Google Patents

Info

Publication number
FR2313322B1
FR2313322B1 FR7517466A FR7517466A FR2313322B1 FR 2313322 B1 FR2313322 B1 FR 2313322B1 FR 7517466 A FR7517466 A FR 7517466A FR 7517466 A FR7517466 A FR 7517466A FR 2313322 B1 FR2313322 B1 FR 2313322B1
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
FR7517466A
Other languages
French (fr)
Other versions
FR2313322A1 (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.)
Standard Oil Co
Original Assignee
Standard Oil 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 Standard Oil Co filed Critical Standard Oil Co
Priority to FR7517466A priority Critical patent/FR2313322A1/fr
Publication of FR2313322A1 publication Critical patent/FR2313322A1/fr
Application granted granted Critical
Publication of FR2313322B1 publication Critical patent/FR2313322B1/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
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/121—Multistep treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/047—Breaking emulsions with separation aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/08—Thickening liquid suspensions by filtration
    • 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
    • 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
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Microbiology (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Activated Sludge Processes (AREA)
FR7517466A 1975-06-04 1975-06-04 Procede continu de traitement, par une boue activee, d'une eau residuaire contaminee Granted FR2313322A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7517466A FR2313322A1 (fr) 1975-06-04 1975-06-04 Procede continu de traitement, par une boue activee, d'une eau residuaire contaminee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7517466A FR2313322A1 (fr) 1975-06-04 1975-06-04 Procede continu de traitement, par une boue activee, d'une eau residuaire contaminee

Publications (2)

Publication Number Publication Date
FR2313322A1 FR2313322A1 (fr) 1976-12-31
FR2313322B1 true FR2313322B1 (xx) 1981-01-09

Family

ID=9156069

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517466A Granted FR2313322A1 (fr) 1975-06-04 1975-06-04 Procede continu de traitement, par une boue activee, d'une eau residuaire contaminee

Country Status (1)

Country Link
FR (1) FR2313322A1 (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2789987B1 (fr) * 1999-02-18 2001-04-20 Degremont Perfectionnements apportes a l'epuration des eaux residuaires par boues activees
CN109485204A (zh) * 2018-11-23 2019-03-19 深圳市泰力废旧电池回收技术有限公司 一种三元材料生产废水处理方法

Also Published As

Publication number Publication date
FR2313322A1 (fr) 1976-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse