FR2415483B1 - - Google Patents

Info

Publication number
FR2415483B1
FR2415483B1 FR7834321A FR7834321A FR2415483B1 FR 2415483 B1 FR2415483 B1 FR 2415483B1 FR 7834321 A FR7834321 A FR 7834321A FR 7834321 A FR7834321 A FR 7834321A FR 2415483 B1 FR2415483 B1 FR 2415483B1
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
FR7834321A
Other languages
French (fr)
Other versions
FR2415483A1 (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
Sulzer Freres 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 Sulzer AG, Sulzer Freres SA filed Critical Sulzer AG
Publication of FR2415483A1 publication Critical patent/FR2415483A1/fr
Application granted granted Critical
Publication of FR2415483B1 publication Critical patent/FR2415483B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
    • B01D24/12—Downward filtration, the filtering material being supported by pervious surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biological Treatment Of Waste Water (AREA)
FR7834321A 1978-01-30 1978-12-06 Procede d'accroissement de l'efficacite du lavage a contre-courant ou de conditionnement de lits fixes de matieres granulaires Granted FR2415483A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH97778A CH630811A5 (en) 1978-01-30 1978-01-30 Process for back-washing of back-washable fixed beds built up from granular materials

Publications (2)

Publication Number Publication Date
FR2415483A1 FR2415483A1 (fr) 1979-08-24
FR2415483B1 true FR2415483B1 (pt) 1984-03-09

Family

ID=4199600

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834321A Granted FR2415483A1 (fr) 1978-01-30 1978-12-06 Procede d'accroissement de l'efficacite du lavage a contre-courant ou de conditionnement de lits fixes de matieres granulaires

Country Status (3)

Country Link
CH (1) CH630811A5 (pt)
DE (1) DE2805058C3 (pt)
FR (1) FR2415483A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2948091A1 (de) * 1979-11-29 1981-06-04 Wabag Wasserreinigungsbau Alfred Kretzschmar Gmbh & Co Kg, 8650 Kulmbach Verfahren zum abfuehren des schlammwassers aus dem innenraum eines filters und filteranlage zur durchfuehrung des verfahrens
DE10106322B4 (de) * 2001-02-09 2005-11-17 Inka-Holding Und Immobilien Gmbh & Co. Kg Wasserfilter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR369056A (fr) * 1906-08-20 1906-12-28 Hans Reisert Procédé et appareil pour le lavage des masses filtrantes libres
FR1164798A (fr) * 1957-01-17 1958-10-14 Emile Degremont Ets Procédé et dispositif de lavage des filtres à sable
US3506125A (en) * 1967-09-15 1970-04-14 Roderick M Willis Water treatment process for improved gravity filtering and backwashing
DE1816527C3 (de) * 1968-12-17 1975-07-31 Hans-Ulrich 6200 Wiesbaden Klein Verfahren zur Wasseraufbereitung in einem Druckwind-Schaltkessel und Vorrichtung zu seiner Durchführung
US3812969A (en) * 1972-10-16 1974-05-28 Sybron Corp Apparatus for fluid treatment
DE2608899C3 (de) * 1976-03-04 1982-12-30 Müller, Wolf-Rüdiger, Dipl.-Ing., 7000 Stuttgart Verfahren zur Verbesserung des Rückspülvorganges bei Filtern aus körnigen Materialien durch den Einsatz von Wasserstoffperoxid (H↓2↓O↓2↓)

Also Published As

Publication number Publication date
DE2805058C3 (de) 1981-05-21
FR2415483A1 (fr) 1979-08-24
CH630811A5 (en) 1982-07-15
DE2805058B2 (de) 1980-08-14
DE2805058A1 (de) 1979-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse