FR2801806B1 - Perfectionnements apportes aux equipements de separation solide-liquide, notamment pour l'epuration biologique d'eaux usees - Google Patents

Perfectionnements apportes aux equipements de separation solide-liquide, notamment pour l'epuration biologique d'eaux usees

Info

Publication number
FR2801806B1
FR2801806B1 FR9915300A FR9915300A FR2801806B1 FR 2801806 B1 FR2801806 B1 FR 2801806B1 FR 9915300 A FR9915300 A FR 9915300A FR 9915300 A FR9915300 A FR 9915300A FR 2801806 B1 FR2801806 B1 FR 2801806B1
Authority
FR
France
Prior art keywords
wastewater
solid
liquid separation
separation equipment
biological purification
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.)
Expired - Fee Related
Application number
FR9915300A
Other languages
English (en)
Other versions
FR2801806A1 (fr
Inventor
Patrick Suhr
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.)
Suez International SAS
Original Assignee
Degremont SA
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 Degremont SA filed Critical Degremont SA
Priority to FR9915300A priority Critical patent/FR2801806B1/fr
Priority to AU77971/00A priority patent/AU7797100A/en
Priority to PCT/FR2000/002812 priority patent/WO2001039860A1/fr
Publication of FR2801806A1 publication Critical patent/FR2801806A1/fr
Application granted granted Critical
Publication of FR2801806B1 publication Critical patent/FR2801806B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/39—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/86—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
    • B01D29/902—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding containing fixed liquid displacement elements or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/08—Regeneration of the filter
    • B01D2201/087—Regeneration of the filter using gas bubbles, e.g. air

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR9915300A 1999-12-03 1999-12-03 Perfectionnements apportes aux equipements de separation solide-liquide, notamment pour l'epuration biologique d'eaux usees Expired - Fee Related FR2801806B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9915300A FR2801806B1 (fr) 1999-12-03 1999-12-03 Perfectionnements apportes aux equipements de separation solide-liquide, notamment pour l'epuration biologique d'eaux usees
AU77971/00A AU7797100A (en) 1999-12-03 2000-10-10 Equipment for filtering a solid/liquid suspension
PCT/FR2000/002812 WO2001039860A1 (fr) 1999-12-03 2000-10-10 Equipement de filtration d'une suspension solide/liquide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9915300A FR2801806B1 (fr) 1999-12-03 1999-12-03 Perfectionnements apportes aux equipements de separation solide-liquide, notamment pour l'epuration biologique d'eaux usees

Publications (2)

Publication Number Publication Date
FR2801806A1 FR2801806A1 (fr) 2001-06-08
FR2801806B1 true FR2801806B1 (fr) 2002-01-11

Family

ID=9552892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9915300A Expired - Fee Related FR2801806B1 (fr) 1999-12-03 1999-12-03 Perfectionnements apportes aux equipements de separation solide-liquide, notamment pour l'epuration biologique d'eaux usees

Country Status (3)

Country Link
AU (1) AU7797100A (fr)
FR (1) FR2801806B1 (fr)
WO (1) WO2001039860A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2857883B1 (fr) * 2003-07-23 2006-09-29 Cie Ind De Filtration Et D Equ Procede pour la filtration de l'eau a l'aide d'un filtre a diatomite et installation pour la mise en oeuvre dudit procede

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226830B2 (fr) * 1973-10-12 1977-07-16
GB2114460B (en) * 1982-02-12 1986-07-02 James Edwin Goddard Filtration method and apparatus
FR2775911B1 (fr) * 1998-03-16 2000-07-21 Suez Lyonnaise Des Eaux Perfectionnements apportes aux equipements de separation solide-liquide notamment pour l'epuration biologique d'eaux usees

Also Published As

Publication number Publication date
WO2001039860A1 (fr) 2001-06-07
FR2801806A1 (fr) 2001-06-08
AU7797100A (en) 2001-06-12

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20081020