FR614426A - Perfectionnements aux filtres à eau - Google Patents

Perfectionnements aux filtres à eau

Info

Publication number
FR614426A
FR614426A FR614426DA FR614426A FR 614426 A FR614426 A FR 614426A FR 614426D A FR614426D A FR 614426DA FR 614426 A FR614426 A FR 614426A
Authority
FR
France
Prior art keywords
water filters
filters
water
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.)
EAU ET ASSAINISSEMENT ANCIENS
Original Assignee
EAU ET ASSAINISSEMENT ANCIENS
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 EAU ET ASSAINISSEMENT ANCIENS filed Critical EAU ET ASSAINISSEMENT ANCIENS
Application granted granted Critical
Publication of FR614426A publication Critical patent/FR614426A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • B01D37/025—Precoating the filter medium; Addition of filter aids to the liquid being filtered additives incorporated in the filter
    • 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
    • B01D24/22—Downward filtration, the filter 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
    • B01D2201/08—Regeneration of the filter
    • B01D2201/085—Regeneration of the filter using another chemical than the liquid to be filtered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/10—Filtration under gravity in large open drainage basins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR614426D 1925-08-24 1925-08-24 Perfectionnements aux filtres à eau Expired FR614426A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR614426T 1925-08-24

Publications (1)

Publication Number Publication Date
FR614426A true FR614426A (fr) 1926-12-14

Family

ID=8980209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR614426D Expired FR614426A (fr) 1925-08-24 1925-08-24 Perfectionnements aux filtres à eau

Country Status (1)

Country Link
FR (1) FR614426A (fr)

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