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FR2764818B1 - METHOD AND DEVICES FOR CLEANING FILTERS - Google Patents

METHOD AND DEVICES FOR CLEANING FILTERS

Info

Publication number
FR2764818B1
FR2764818B1 FR9707588A FR9707588A FR2764818B1 FR 2764818 B1 FR2764818 B1 FR 2764818B1 FR 9707588 A FR9707588 A FR 9707588A FR 9707588 A FR9707588 A FR 9707588A FR 2764818 B1 FR2764818 B1 FR 2764818B1
Authority
FR
France
Prior art keywords
devices
cleaning filters
filters
cleaning
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
FR9707588A
Other languages
French (fr)
Other versions
FR2764818A1 (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.)
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 FR9707588A priority Critical patent/FR2764818B1/en
Priority to PCT/FR1998/001169 priority patent/WO1998057724A1/en
Publication of FR2764818A1 publication Critical patent/FR2764818A1/en
Application granted granted Critical
Publication of FR2764818B1 publication Critical patent/FR2764818B1/en
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
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
    • 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
    • B01D29/01—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 flat filtering elements
    • 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
    • B01D29/661—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps by using gas-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
    • B01D29/88—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
    • B01D29/92—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 discharging filtrate
    • B01D29/925—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 discharging filtrate containing liquid displacement elements or cores

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
FR9707588A 1997-06-18 1997-06-18 METHOD AND DEVICES FOR CLEANING FILTERS Expired - Fee Related FR2764818B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9707588A FR2764818B1 (en) 1997-06-18 1997-06-18 METHOD AND DEVICES FOR CLEANING FILTERS
PCT/FR1998/001169 WO1998057724A1 (en) 1997-06-18 1998-06-08 Method and devices for cleaning filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9707588A FR2764818B1 (en) 1997-06-18 1997-06-18 METHOD AND DEVICES FOR CLEANING FILTERS

Publications (2)

Publication Number Publication Date
FR2764818A1 FR2764818A1 (en) 1998-12-24
FR2764818B1 true FR2764818B1 (en) 1999-08-06

Family

ID=9508135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9707588A Expired - Fee Related FR2764818B1 (en) 1997-06-18 1997-06-18 METHOD AND DEVICES FOR CLEANING FILTERS

Country Status (2)

Country Link
FR (1) FR2764818B1 (en)
WO (1) WO1998057724A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1835977A2 (en) * 2004-12-16 2007-09-26 Idexx Laboratories, Inc. Apparatus and method to elute microorganisms from a filter
CN111603845B (en) * 2019-02-22 2022-12-13 中国石油化工股份有限公司 Filtering system and filtering method for oil slurry

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3733906A (en) * 1970-11-23 1973-05-22 Zellweger Uster Ag Method and apparatus for the continuous withdrawal of samples from industrial process baths or the like for analysis
DE7601269U1 (en) * 1976-01-19 1977-02-24 Boll & Kirch Filterbau Gmbh, 5000 Koeln FILTER DEVICE
DE7821542U1 (en) * 1978-07-19 1982-12-30 Ueberall, Peter, 2082 Uetersen CLEANING DEVICE FOR LIQUIDS
US5017241A (en) * 1990-10-16 1991-05-21 The Graver Company Backwash method and apparatus
CH685860A5 (en) * 1992-07-30 1995-10-31 Christ Ag Cleaning of precoat

Also Published As

Publication number Publication date
FR2764818A1 (en) 1998-12-24
WO1998057724A1 (en) 1998-12-23

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090228