GB1257314A - - Google Patents

Info

Publication number
GB1257314A
GB1257314A GB4249968A GB1257314DA GB1257314A GB 1257314 A GB1257314 A GB 1257314A GB 4249968 A GB4249968 A GB 4249968A GB 1257314D A GB1257314D A GB 1257314DA GB 1257314 A GB1257314 A GB 1257314A
Authority
GB
United Kingdom
Prior art keywords
bed
water
pump
valve
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.)
Expired
Application number
GB4249968A
Other languages
English (en)
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 filed Critical
Publication of GB1257314A publication Critical patent/GB1257314A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46Regenerating the filtering material in the filter
    • B01D24/4631Counter-current flushing, e.g. by air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02Filters 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
    • B01D24/20Filters 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
    • B01D24/24Downward filtration, the container having distribution or collection headers or pervious conduits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D37/00Processes of filtration
    • B01D37/03Processes of filtration using flocculating agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
GB4249968A 1968-09-06 1968-09-06 Expired GB1257314A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4249968 1968-09-06

Publications (1)

Publication Number Publication Date
GB1257314A true GB1257314A (de) 1971-12-15

Family

ID=10424706

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4249968A Expired GB1257314A (de) 1968-09-06 1968-09-06

Country Status (1)

Country Link
GB (1) GB1257314A (de)

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PLNP Patent lapsed through nonpayment of renewal fees