FR778166A - Method and device for improving the operation of rapid filters of open or closed construction, with circular or quadrangular filtering surface - Google Patents

Method and device for improving the operation of rapid filters of open or closed construction, with circular or quadrangular filtering surface

Info

Publication number
FR778166A
FR778166A FR778166DA FR778166A FR 778166 A FR778166 A FR 778166A FR 778166D A FR778166D A FR 778166DA FR 778166 A FR778166 A FR 778166A
Authority
FR
France
Prior art keywords
quadrangular
improving
circular
open
filtering surface
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
French (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.)
TRAITEMENT DES LIQUIDES PAR LE
Original Assignee
TRAITEMENT DES LIQUIDES PAR LE
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 TRAITEMENT DES LIQUIDES PAR LE filed Critical TRAITEMENT DES LIQUIDES PAR LE
Application granted granted Critical
Publication of FR778166A publication Critical patent/FR778166A/en
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
    • B01D24/10—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0415—Details of supporting structures
    • 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
FR778166D 1933-12-18 1934-09-06 Method and device for improving the operation of rapid filters of open or closed construction, with circular or quadrangular filtering surface Expired FR778166A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE778166X 1933-12-18

Publications (1)

Publication Number Publication Date
FR778166A true FR778166A (en) 1935-03-11

Family

ID=6686917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR778166D Expired FR778166A (en) 1933-12-18 1934-09-06 Method and device for improving the operation of rapid filters of open or closed construction, with circular or quadrangular filtering surface

Country Status (1)

Country Link
FR (1) FR778166A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211656A (en) * 1978-06-26 1980-07-08 Cochrane John J Liquid treating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211656A (en) * 1978-06-26 1980-07-08 Cochrane John J Liquid treating system

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