FR2354291A1 - Traitement continu d'effluents liquides et d'eaux residuaires - Google Patents

Traitement continu d'effluents liquides et d'eaux residuaires

Info

Publication number
FR2354291A1
FR2354291A1 FR7717396A FR7717396A FR2354291A1 FR 2354291 A1 FR2354291 A1 FR 2354291A1 FR 7717396 A FR7717396 A FR 7717396A FR 7717396 A FR7717396 A FR 7717396A FR 2354291 A1 FR2354291 A1 FR 2354291A1
Authority
FR
France
Prior art keywords
liquid
waste water
coil
continuous treatment
liquid effluents
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Withdrawn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
FR7717396A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of FR2354291A1 publication Critical patent/FR2354291A1/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Withdrawn legal-status Critical Current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
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1284—Mixing devices
    • 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
    • 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)
  • Physical Water Treatments (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

L'invention concerne un procédé et un appareil pour traiter des effluents et des eaux résiduaires. Selon le procédé on fait circuler le liquide premièrement dans un serpentin de compression qui tourne autour d'un axe vertical, la pression exercée sur le liquide augmentant de l'extrémité interne du serpentin vers son extremité externe et, deuxièmement, dans un serpentin de décompression qui tourne autour d'un axe vertical, la pression exercée sur le liquide diminuant de l'extrémité externe du serpentin vers son extrémité interne, un gaz contenant de l'oxygène étant introduit dans le liquide lorsqu'il passe dans le serpentin de compression L'invention permet de traiter tous les résidus domestiques et industriels biologiquement dégradables.
FR7717396A 1976-06-08 1977-06-07 Traitement continu d'effluents liquides et d'eaux residuaires Withdrawn FR2354291A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2360476A GB1523074A (en) 1976-06-08 1976-06-08 Continuous aerobictreatment of liquid effluent and sewage

Publications (1)

Publication Number Publication Date
FR2354291A1 true FR2354291A1 (fr) 1978-01-06

Family

ID=10198344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7717396A Withdrawn FR2354291A1 (fr) 1976-06-08 1977-06-07 Traitement continu d'effluents liquides et d'eaux residuaires

Country Status (11)

Country Link
US (1) US4108763A (fr)
JP (1) JPS52149855A (fr)
BE (1) BE855386A (fr)
DE (1) DE2725509A1 (fr)
FR (1) FR2354291A1 (fr)
GB (1) GB1523074A (fr)
IT (1) IT1083813B (fr)
NL (1) NL7706126A (fr)
NO (1) NO771921L (fr)
SE (1) SE7706604L (fr)
ZA (1) ZA773196B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5372725A (en) * 1991-11-04 1994-12-13 Halff; Albert H. Method for separation and removal of impurities from liquids
US5425883A (en) * 1991-11-04 1995-06-20 Reid; Allen F. Method for separation and removal of impurities from liquids
US5725759A (en) * 1996-03-29 1998-03-10 Ecowater Systems, Inc. Reactor apparatus for treating water in iron removal system
US6966874B2 (en) * 1997-10-14 2005-11-22 Erth Technologies, Inc. Concentric tubular centrifuge
US6808481B1 (en) 1996-10-15 2004-10-26 Erth Technologies, Inc. Concentric tubular centrifuge
US20050054507A1 (en) * 1996-10-15 2005-03-10 Cornay Paul J. Concentric tubular centrifuge
US7241256B2 (en) * 2003-08-30 2007-07-10 Erth Technologies, Inc. Centrifuge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179333A (en) * 1961-06-13 1965-04-20 Shell Oil Co Centrifugal exchangers
FR1459673A (fr) * 1968-12-19 1966-11-18 Combustion Eng Procédé et appareil pour la mise en contact d'un liquide et d'un gaz
ZA731972B (en) * 1973-03-21 1973-11-28 Gypsum Ind Ltd Method and apparatus for treating sewage

Also Published As

Publication number Publication date
BE855386A (fr) 1977-12-05
NL7706126A (nl) 1977-12-12
JPS5436414B2 (fr) 1979-11-09
SE7706604L (sv) 1977-12-09
US4108763A (en) 1978-08-22
ZA773196B (en) 1978-04-26
GB1523074A (en) 1978-08-31
JPS52149855A (en) 1977-12-13
NO771921L (no) 1977-12-09
IT1083813B (it) 1985-05-25
DE2725509A1 (de) 1977-12-29

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Legal Events

Date Code Title Description
ST Notification of lapse