FR1102586A - Improvements to sand filters - Google Patents

Improvements to sand filters

Info

Publication number
FR1102586A
FR1102586A FR1102586DA FR1102586A FR 1102586 A FR1102586 A FR 1102586A FR 1102586D A FR1102586D A FR 1102586DA FR 1102586 A FR1102586 A FR 1102586A
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
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.)
Compagnie des Eaux et de lOzone France SA
Original Assignee
Compagnie des Eaux et de lOzone France 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 Compagnie des Eaux et de lOzone France SA filed Critical Compagnie des Eaux et de lOzone France SA
Application granted granted Critical
Publication of FR1102586A publication Critical patent/FR1102586A/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
    • B01D24/02—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR1102586D 1954-04-08 1954-04-08 Improvements to sand filters Expired FR1102586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1102586T 1954-04-08

Publications (1)

Publication Number Publication Date
FR1102586A true FR1102586A (en) 1955-10-24

Family

ID=9621739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1102586D Expired FR1102586A (en) 1954-04-08 1954-04-08 Improvements to sand filters

Country Status (1)

Country Link
FR (1) FR1102586A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994812A (en) * 1974-07-10 1976-11-30 Uddeholms Aktiebolag Double bottom tank structure with sleeved strainer means
FR2508338A1 (en) * 1981-06-25 1982-12-31 Degremont GRANULAR MATERIAL FILL FILTER

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994812A (en) * 1974-07-10 1976-11-30 Uddeholms Aktiebolag Double bottom tank structure with sleeved strainer means
FR2508338A1 (en) * 1981-06-25 1982-12-31 Degremont GRANULAR MATERIAL FILL FILTER
EP0072264A1 (en) * 1981-06-25 1983-02-16 "DEGREMONT" Société dite: Filter filled with loose granular material

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