FR2445734A1 - Filtre a cellules multiples avec milieu de filtration de type granulaire - Google Patents

Filtre a cellules multiples avec milieu de filtration de type granulaire

Info

Publication number
FR2445734A1
FR2445734A1 FR7900373A FR7900373A FR2445734A1 FR 2445734 A1 FR2445734 A1 FR 2445734A1 FR 7900373 A FR7900373 A FR 7900373A FR 7900373 A FR7900373 A FR 7900373A FR 2445734 A1 FR2445734 A1 FR 2445734A1
Authority
FR
France
Prior art keywords
cells
fabricated
plastics
multicelled
reduce
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.)
Granted
Application number
FR7900373A
Other languages
English (en)
French (fr)
Other versions
FR2445734B1 (enExample
Inventor
Richard Alexander Adie
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.)
Environmental Elements Corp
Original Assignee
Environmental Elements Corp
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 Environmental Elements Corp filed Critical Environmental Elements Corp
Priority to FR7900373A priority Critical patent/FR2445734A1/fr
Publication of FR2445734A1 publication Critical patent/FR2445734A1/fr
Application granted granted Critical
Publication of FR2445734B1 publication Critical patent/FR2445734B1/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
    • B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
    • B01D24/005—Filters being divided into a plurality of cells or compartments
    • 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
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/38—Feed or discharge devices
    • B01D24/42—Feed or discharge devices for discharging filtrate
    • 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
    • B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
    • 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
    • B01D24/4642—Counter-current flushing, e.g. by air with valves, e.g. rotating valves

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biological Treatment Of Waste Water (AREA)
FR7900373A 1979-01-08 1979-01-08 Filtre a cellules multiples avec milieu de filtration de type granulaire Granted FR2445734A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7900373A FR2445734A1 (fr) 1979-01-08 1979-01-08 Filtre a cellules multiples avec milieu de filtration de type granulaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7900373A FR2445734A1 (fr) 1979-01-08 1979-01-08 Filtre a cellules multiples avec milieu de filtration de type granulaire

Publications (2)

Publication Number Publication Date
FR2445734A1 true FR2445734A1 (fr) 1980-08-01
FR2445734B1 FR2445734B1 (enExample) 1983-04-29

Family

ID=9220538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7900373A Granted FR2445734A1 (fr) 1979-01-08 1979-01-08 Filtre a cellules multiples avec milieu de filtration de type granulaire

Country Status (1)

Country Link
FR (1) FR2445734A1 (enExample)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2302450A (en) * 1940-06-29 1942-11-17 William C Laughlin Filter
US2302449A (en) * 1940-03-21 1942-11-17 William C Laughlin Filter apparatus
US2679319A (en) * 1951-12-20 1954-05-25 Walker Process Equipment Inc Apparatus for backflushing sectional filters
GB939696A (en) * 1961-03-06 1963-10-16 Raymond Hebert Filters
GB1056115A (en) * 1963-06-05 1967-01-25 Koppers Co Inc Automatic backwash filter system and method of operating same
US3840117A (en) * 1973-04-30 1974-10-08 Hydro Clear Corp Underdrain structure for waste effluent filter and method of using same
FR2226197A1 (enExample) * 1973-04-23 1974-11-15 Koppers Co Inc
FR2252118A1 (enExample) * 1973-11-26 1975-06-20 Pista Sa
US4133766A (en) * 1977-03-11 1979-01-09 Koppers Company, Inc. Filter media support and containment system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2302449A (en) * 1940-03-21 1942-11-17 William C Laughlin Filter apparatus
US2302450A (en) * 1940-06-29 1942-11-17 William C Laughlin Filter
US2679319A (en) * 1951-12-20 1954-05-25 Walker Process Equipment Inc Apparatus for backflushing sectional filters
GB939696A (en) * 1961-03-06 1963-10-16 Raymond Hebert Filters
GB1056115A (en) * 1963-06-05 1967-01-25 Koppers Co Inc Automatic backwash filter system and method of operating same
FR2226197A1 (enExample) * 1973-04-23 1974-11-15 Koppers Co Inc
US3840117A (en) * 1973-04-30 1974-10-08 Hydro Clear Corp Underdrain structure for waste effluent filter and method of using same
FR2252118A1 (enExample) * 1973-11-26 1975-06-20 Pista Sa
US4133766A (en) * 1977-03-11 1979-01-09 Koppers Company, Inc. Filter media support and containment system

Also Published As

Publication number Publication date
FR2445734B1 (enExample) 1983-04-29

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Legal Events

Date Code Title Description
TP Transmission of property