FR2325609A1 - Bassin d'aeration et procede pour reduire la demande d'oxygene dans un systeme a boues activees - Google Patents

Bassin d'aeration et procede pour reduire la demande d'oxygene dans un systeme a boues activees

Info

Publication number
FR2325609A1
FR2325609A1 FR7627730A FR7627730A FR2325609A1 FR 2325609 A1 FR2325609 A1 FR 2325609A1 FR 7627730 A FR7627730 A FR 7627730A FR 7627730 A FR7627730 A FR 7627730A FR 2325609 A1 FR2325609 A1 FR 2325609A1
Authority
FR
France
Prior art keywords
demand
oxygen
reducing
active sludge
sludge system
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.)
Withdrawn
Application number
FR7627730A
Other languages
English (en)
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 Products and Chemicals Inc
Original Assignee
Air Products and Chemicals 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
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Publication of FR2325609A1 publication Critical patent/FR2325609A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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)
  • Activated Sludge Processes (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Treatment Of Biological Wastes In General (AREA)
FR7627730A 1975-09-24 1976-09-15 Bassin d'aeration et procede pour reduire la demande d'oxygene dans un systeme a boues activees Withdrawn FR2325609A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61645975A 1975-09-24 1975-09-24

Publications (1)

Publication Number Publication Date
FR2325609A1 true FR2325609A1 (fr) 1977-04-22

Family

ID=24469556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627730A Withdrawn FR2325609A1 (fr) 1975-09-24 1976-09-15 Bassin d'aeration et procede pour reduire la demande d'oxygene dans un systeme a boues activees

Country Status (9)

Country Link
US (2) US4081368A (fr)
JP (1) JPS5239970A (fr)
BE (1) BE846290A (fr)
CA (1) CA1071777A (fr)
DE (1) DE2639252A1 (fr)
FR (1) FR2325609A1 (fr)
GB (1) GB1560655A (fr)
NL (1) NL7610431A (fr)
ZA (1) ZA765207B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312903U (fr) * 1976-06-22 1978-02-02
US4269709A (en) * 1978-03-09 1981-05-26 Rongved Paul I Waste water treatment system with aeration and circulation means
AU5138379A (en) * 1978-10-03 1980-04-17 Arthur David Brown Improvements in effluent treatment
DE3045158A1 (de) 1980-12-01 1982-07-01 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zur biologischen reinigung von abwasser
EP0073266A1 (fr) * 1981-09-01 1983-03-09 Rudolf Messner Dispositif pour la purification biologique d'eau usée et procédé pour son exploitation
US4362625A (en) * 1981-10-29 1982-12-07 Harold Beard Waste water clarifier
US4383922A (en) * 1981-10-29 1983-05-17 Beard Harold J Waste water clarifier
US4457844A (en) * 1982-04-22 1984-07-03 Beard Harold J Continuous waste water clarification process
JPS58193653A (ja) * 1982-05-06 1983-11-11 Oyama Tekkosho:Kk 模様付菓子の製造方法
US4863595A (en) * 1988-05-31 1989-09-05 Nodholm Daniel D Apparatus for degrading biodegradable material
US4915829A (en) * 1988-09-06 1990-04-10 Sam Long Activated-sludge aeration system
CA2345694C (fr) 1998-09-28 2008-12-09 Glen D. Lindbo Reservoir de traitement des eaux usees avec portes a influent et zone de pre-reaction avec partie biseautee tournee vers l'exterieur
WO2008024445A2 (fr) 2006-08-23 2008-02-28 Siemens Water Technologies Corp. Réacteur séquentiel discontinu à filtration sur membrane en continu et réduction de solides
US11155482B2 (en) * 2018-04-04 2021-10-26 Somerset Environmental Solutions Inc. Apparatus and method for aerating wastewater
CN113429070B (zh) * 2021-06-30 2022-04-08 广东北控环保装备有限公司 一种具备可调节区域柔性设计的农村污水处理装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436584A (en) * 1943-04-21 1948-02-24 Logan John Alexander High rate activated sludge process and apparatus
FR2120917A5 (fr) * 1970-12-31 1972-08-18 Research Corp

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054602A (en) * 1958-05-05 1962-09-18 Chester F Produman Apparatus for treatment of sewage
US3438499A (en) * 1967-12-26 1969-04-15 Pollution Controls Inc Vessel for aerobic digestion sewage treatment plant
US3732160A (en) * 1968-08-21 1973-05-08 Research Corp Submerged filter-horizontal flow mode
US3547814A (en) * 1969-07-02 1970-12-15 Union Carbide Corp Bio-oxidation with low sludge yield
US3547812A (en) * 1969-07-02 1970-12-15 Union Carbide Corp High oxygen utilization in bod-containing water treatment
US3954606A (en) * 1973-11-12 1976-05-04 Air Products And Chemicals, Inc. Wastewater treatment system with controlled mixing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436584A (en) * 1943-04-21 1948-02-24 Logan John Alexander High rate activated sludge process and apparatus
FR2120917A5 (fr) * 1970-12-31 1972-08-18 Research Corp

Also Published As

Publication number Publication date
US4081368A (en) 1978-03-28
GB1560655A (en) 1980-02-06
JPS5239970A (en) 1977-03-28
US4087361A (en) 1978-05-02
NL7610431A (nl) 1977-03-28
ZA765207B (en) 1977-09-28
BE846290A (fr) 1977-03-16
CA1071777A (fr) 1980-02-12
DE2639252A1 (de) 1977-04-07

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Legal Events

Date Code Title Description
ST Notification of lapse