GB9315076D0 - Improved filter for use with friable granular materials - Google Patents

Improved filter for use with friable granular materials

Info

Publication number
GB9315076D0
GB9315076D0 GB939315076A GB9315076A GB9315076D0 GB 9315076 D0 GB9315076 D0 GB 9315076D0 GB 939315076 A GB939315076 A GB 939315076A GB 9315076 A GB9315076 A GB 9315076A GB 9315076 D0 GB9315076 D0 GB 9315076D0
Authority
GB
United Kingdom
Prior art keywords
granular materials
improved filter
friable granular
friable
filter
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.)
Withdrawn
Application number
GB939315076A
Other versions
GB2280124A (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.)
PWT Projects Ltd
Original Assignee
PWT Projects Ltd
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 PWT Projects Ltd filed Critical PWT Projects Ltd
Priority to GB9315076A priority Critical patent/GB2280124A/en
Publication of GB9315076D0 publication Critical patent/GB9315076D0/en
Priority to JP6169625A priority patent/JPH07163808A/en
Publication of GB2280124A publication Critical patent/GB2280124A/en
Withdrawn legal-status Critical Current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
    • B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
    • 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
    • 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
    • B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
    • B01D24/4876—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration in which the filtering elements are moved between filtering operations; particular measures for removing or replacing the filtering elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
GB9315076A 1993-07-21 1993-07-21 Granular bed filter Withdrawn GB2280124A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9315076A GB2280124A (en) 1993-07-21 1993-07-21 Granular bed filter
JP6169625A JPH07163808A (en) 1993-07-21 1994-07-21 Filter container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9315076A GB2280124A (en) 1993-07-21 1993-07-21 Granular bed filter

Publications (2)

Publication Number Publication Date
GB9315076D0 true GB9315076D0 (en) 1993-09-01
GB2280124A GB2280124A (en) 1995-01-25

Family

ID=10739164

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9315076A Withdrawn GB2280124A (en) 1993-07-21 1993-07-21 Granular bed filter

Country Status (2)

Country Link
JP (1) JPH07163808A (en)
GB (1) GB2280124A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4593086B2 (en) * 2003-06-09 2010-12-08 荏原エンジニアリングサービス株式会社 Filtration device
US7270745B2 (en) * 2003-08-04 2007-09-18 Schwartzkopf Steven H Liquid filtration apparatus embodying super-buoyant filtration particles
CN103861338A (en) * 2014-04-08 2014-06-18 孔强光 Blocking-free sewage filtering tank
JP6814495B1 (en) * 2020-06-26 2021-01-20 株式会社栄電社 Solid-liquid separation device and solid-liquid separation method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1611069C3 (en) * 1966-07-15 1975-10-30 Chiyoda Kako Kensetsu K.K., Yokohama, Kanagawa (Japan) Automatic backflow cleaning system for liquid filter systems
BE756381A (en) * 1969-09-18 1971-03-01 Metallgesellschaft Ag DEVICE AND METHOD FOR THE EVACUATION OF ACTIVE CARBON AND ACTIVE CARBON FILTER PROVIDED WITH SUCH A DEVICE

Also Published As

Publication number Publication date
JPH07163808A (en) 1995-06-27
GB2280124A (en) 1995-01-25

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)