GB924799A - - Google Patents

Info

Publication number
GB924799A
GB924799A GB924799DA GB924799A GB 924799 A GB924799 A GB 924799A GB 924799D A GB924799D A GB 924799DA GB 924799 A GB924799 A GB 924799A
Authority
GB
United Kingdom
Prior art keywords
ducts
cushion
bush
feb
nozzles
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.)
Active
Application number
Other languages
English (en)
Publication of GB924799A publication Critical patent/GB924799A/en
Active 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
    • 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
    • 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
    • B01D24/4626—Construction of spray heads specially adapted for regeneration of the filter material or for filtrate discharging
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Biological Treatment Of Waste Water (AREA)
GB924799D Active GB924799A (fr)

Publications (1)

Publication Number Publication Date
GB924799A true GB924799A (fr)

Family

ID=1753612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB924799D Active GB924799A (fr)

Country Status (1)

Country Link
GB (1) GB924799A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3730348A (en) * 1971-04-19 1973-05-01 Ecodyne Corp Filter screen
US4096068A (en) * 1976-08-19 1978-06-20 Peabody Galion Corporation Cast beams for filterbed with cross flow at ends
US4476020A (en) * 1981-12-08 1984-10-09 Paterson Candy International Limited Strainer assembly for granular media filters
US5422020A (en) * 1991-06-07 1995-06-06 Sulzer Brothers Limited Solid-bed reactor for biological sewage treatment
FR3011189A1 (fr) * 2013-10-02 2015-04-03 Degremont Plancher pour filtre gravitaire a media filtrant pour le traitement d'eau et caisson pour un tel plancher

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3730348A (en) * 1971-04-19 1973-05-01 Ecodyne Corp Filter screen
US4096068A (en) * 1976-08-19 1978-06-20 Peabody Galion Corporation Cast beams for filterbed with cross flow at ends
US4476020A (en) * 1981-12-08 1984-10-09 Paterson Candy International Limited Strainer assembly for granular media filters
US5422020A (en) * 1991-06-07 1995-06-06 Sulzer Brothers Limited Solid-bed reactor for biological sewage treatment
FR3011189A1 (fr) * 2013-10-02 2015-04-03 Degremont Plancher pour filtre gravitaire a media filtrant pour le traitement d'eau et caisson pour un tel plancher
WO2015049639A3 (fr) * 2013-10-02 2015-06-18 Degremont Plancher pour filtre gravitaire a media filtrant pour le traitement d'eau, et caisson pour un tel plancher

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