FR1036457A - Perfectionnements aux filtres à sable - Google Patents

Perfectionnements aux filtres à sable

Info

Publication number
FR1036457A
FR1036457A FR1036457DA FR1036457A FR 1036457 A FR1036457 A FR 1036457A FR 1036457D A FR1036457D A FR 1036457DA FR 1036457 A FR1036457 A FR 1036457A
Authority
FR
France
Prior art keywords
sand filters
sand
filters
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
Application number
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.)
Trailigaz Compagnie Generale de lOzone SA
Original Assignee
Trailigaz Compagnie Generale de lOzone 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 Trailigaz Compagnie Generale de lOzone SA filed Critical Trailigaz Compagnie Generale de lOzone SA
Application granted granted Critical
Publication of FR1036457A publication Critical patent/FR1036457A/fr
Expired 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
    • B01D24/20—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 provided in an open container
    • B01D24/24—Downward filtration, the container having distribution or collection headers or pervious conduits
    • 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)
FR1036457D 1951-05-04 1951-05-04 Perfectionnements aux filtres à sable Expired FR1036457A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1036457T 1951-05-04

Publications (1)

Publication Number Publication Date
FR1036457A true FR1036457A (fr) 1953-09-08

Family

ID=9586431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1036457D Expired FR1036457A (fr) 1951-05-04 1951-05-04 Perfectionnements aux filtres à sable

Country Status (1)

Country Link
FR (1) FR1036457A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1062673B (de) * 1957-09-21 1959-08-06 Wasserreinigungsbau Vorm Wabag Runder Duesenboden von Wasserfiltern und Ionenaustauschern
DE1084697B (de) * 1956-10-11 1960-07-07 Pintsch Bamag Ag Fluessigkeitsfilter
US3081877A (en) * 1957-08-20 1963-03-19 Steinmueller Gmbh L & C Filter nozzle
US4568458A (en) * 1983-10-17 1986-02-04 Austgen-Biojet International Pty. Limited Fluidized bed reactor
FR2637816A1 (fr) * 1988-10-07 1990-04-20 Campenon Bernard Filtre a sable
US5053124A (en) * 1987-04-08 1991-10-01 Schumacher Liane Rotting-slab system
US5176827A (en) * 1990-05-03 1993-01-05 Unifilt Corporation Filter underdrain with means to increase gas flow during simultaneous gas/liquid backwashing

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084697B (de) * 1956-10-11 1960-07-07 Pintsch Bamag Ag Fluessigkeitsfilter
US3081877A (en) * 1957-08-20 1963-03-19 Steinmueller Gmbh L & C Filter nozzle
DE1062673B (de) * 1957-09-21 1959-08-06 Wasserreinigungsbau Vorm Wabag Runder Duesenboden von Wasserfiltern und Ionenaustauschern
US4568458A (en) * 1983-10-17 1986-02-04 Austgen-Biojet International Pty. Limited Fluidized bed reactor
US5053124A (en) * 1987-04-08 1991-10-01 Schumacher Liane Rotting-slab system
FR2637816A1 (fr) * 1988-10-07 1990-04-20 Campenon Bernard Filtre a sable
US5176827A (en) * 1990-05-03 1993-01-05 Unifilt Corporation Filter underdrain with means to increase gas flow during simultaneous gas/liquid backwashing

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