FR2421848B1 - - Google Patents

Info

Publication number
FR2421848B1
FR2421848B1 FR7907362A FR7907362A FR2421848B1 FR 2421848 B1 FR2421848 B1 FR 2421848B1 FR 7907362 A FR7907362 A FR 7907362A FR 7907362 A FR7907362 A FR 7907362A FR 2421848 B1 FR2421848 B1 FR 2421848B1
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
FR7907362A
Other versions
FR2421848A1 (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.)
Sulzer AG
Original Assignee
Sulzer AG
Gebrueder Sulzer AG
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 Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer AG
Publication of FR2421848A1 publication Critical patent/FR2421848A1/fr
Application granted granted Critical
Publication of FR2421848B1 publication Critical patent/FR2421848B1/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
    • C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
    • 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
    • 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)
  • Water Supply & Treatment (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Activated Sludge Processes (AREA)
  • Treatment Of Sludge (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
FR7907362A 1978-04-03 1979-03-23 Procede de conservation d'une boue activee Granted FR2421848A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH353078A CH627147A5 (fr) 1978-04-03 1978-04-03

Publications (2)

Publication Number Publication Date
FR2421848A1 FR2421848A1 (fr) 1979-11-02
FR2421848B1 true FR2421848B1 (fr) 1984-01-27

Family

ID=4257984

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7907362A Granted FR2421848A1 (fr) 1978-04-03 1979-03-23 Procede de conservation d'une boue activee

Country Status (9)

Country Link
US (1) US4231862A (fr)
JP (1) JPS54142868A (fr)
AT (1) AT355519B (fr)
CH (1) CH627147A5 (fr)
DE (1) DE2815199C3 (fr)
ES (1) ES478463A1 (fr)
FR (1) FR2421848A1 (fr)
GB (1) GB2017672B (fr)
IT (1) IT1113221B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372856A (en) * 1981-03-30 1983-02-08 Morrison Jon R Process and system for anaerobic treatment of waste
DE3202941A1 (de) * 1982-01-29 1983-08-11 Messer Griesheim Gmbh, 6000 Frankfurt Verfahren zur regeneration der biologischen stufen von klaeranlagen
DE3402688A1 (de) * 1984-01-26 1985-08-01 Passavant-Werke AG & Co KG, 6209 Aarbergen Biologisches abwasserreinigungsverfahren mit nitrifikationszone
FR2716535B1 (fr) * 1994-02-23 1996-04-12 Cogema Dispositif d'analyses automatisé, à cuves fixes.
GB9425110D0 (en) * 1994-12-13 1995-02-08 Boc Group Plc Sewage respiration inhibition
FR2826357B1 (fr) * 2001-06-22 2003-12-12 Air Liquide Procede d'hydrolyse de boues en exces issues d'une etape de traitement biologique
FI123426B (fi) * 2007-12-07 2013-04-30 Kwh Pipe Ab Oy Menetelmä jätevedenpuhdistamon aktiivilietteen aktiiviseksi pitämiseksi
CN114426327B (zh) * 2020-10-10 2023-05-05 中国石油化工股份有限公司 一种停工检修后污水处理场生化单元快速启动的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3623975A (en) * 1969-03-14 1971-11-30 Envirotech Syst Plural purpose sludge incinerating and treating apparatus and method
US3737382A (en) * 1971-09-27 1973-06-05 R Fletcher Refrigerated surge tank for use with aerobic sewage digestion system
US3960717A (en) * 1972-01-20 1976-06-01 Air Products And Chemicals, Inc. Process for treating waste water
US4130481A (en) * 1977-02-14 1978-12-19 Fmc Corporation Maintaining optimum settling rate of activated sludge

Also Published As

Publication number Publication date
GB2017672A (en) 1979-10-10
US4231862A (en) 1980-11-04
DE2815199B2 (de) 1980-01-31
JPS6315039B2 (fr) 1988-04-02
FR2421848A1 (fr) 1979-11-02
ES478463A1 (es) 1979-05-16
AT355519B (de) 1980-03-10
IT7921438A0 (it) 1979-03-30
DE2815199C3 (de) 1980-09-25
JPS54142868A (en) 1979-11-07
DE2815199A1 (de) 1979-10-04
CH627147A5 (fr) 1981-12-31
GB2017672B (en) 1982-09-02
IT1113221B (it) 1986-01-20
ATA247978A (de) 1979-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse