GB9023302D0 - Transfer of granular media from treatment vessels - Google Patents

Transfer of granular media from treatment vessels

Info

Publication number
GB9023302D0
GB9023302D0 GB909023302A GB9023302A GB9023302D0 GB 9023302 D0 GB9023302 D0 GB 9023302D0 GB 909023302 A GB909023302 A GB 909023302A GB 9023302 A GB9023302 A GB 9023302A GB 9023302 D0 GB9023302 D0 GB 9023302D0
Authority
GB
United Kingdom
Prior art keywords
transfer
granular media
treatment vessels
vessels
treatment
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Withdrawn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
GB909023302A
Other versions
GB2249038A (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 GB9023302A priority Critical patent/GB2249038A/en
Publication of GB9023302D0 publication Critical patent/GB9023302D0/en
Publication of GB2249038A publication Critical patent/GB2249038A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/04—Combinations of filters with settling tanks
    • 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
    • B01D24/46—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)
GB9023302A 1990-10-25 1990-10-25 Discharge of granular media from treatment vessels Withdrawn GB2249038A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9023302A GB2249038A (en) 1990-10-25 1990-10-25 Discharge of granular media from treatment vessels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9023302A GB2249038A (en) 1990-10-25 1990-10-25 Discharge of granular media from treatment vessels

Publications (2)

Publication Number Publication Date
GB9023302D0 true GB9023302D0 (en) 1990-12-05
GB2249038A GB2249038A (en) 1992-04-29

Family

ID=10684382

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9023302A Withdrawn GB2249038A (en) 1990-10-25 1990-10-25 Discharge of granular media from treatment vessels

Country Status (1)

Country Link
GB (1) GB2249038A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100425542C (en) * 2007-01-28 2008-10-15 张仲元 Reverse osmosis type living sewage treatment apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2249038A (en) 1992-04-29

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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)