GB1546683A - Apparatus for backwashing granular-bed filters - Google Patents

Apparatus for backwashing granular-bed filters

Info

Publication number
GB1546683A
GB1546683A GB32881/76A GB3288176A GB1546683A GB 1546683 A GB1546683 A GB 1546683A GB 32881/76 A GB32881/76 A GB 32881/76A GB 3288176 A GB3288176 A GB 3288176A GB 1546683 A GB1546683 A GB 1546683A
Authority
GB
United Kingdom
Prior art keywords
bed filters
backwashing
granular
backwashing granular
filters
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
GB32881/76A
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.)
Portals Water Treatment Ltd
Original Assignee
Portals Water Treatment 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 Portals Water Treatment Ltd filed Critical Portals Water Treatment Ltd
Priority to GB32881/76A priority Critical patent/GB1546683A/en
Priority to ZA00773819A priority patent/ZA773819B/en
Priority to AU26577/77A priority patent/AU505207B2/en
Priority to IE1610/77A priority patent/IE45397B1/en
Publication of GB1546683A publication Critical patent/GB1546683A/en
Expired 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
    • B01D24/10—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
    • B01D24/02—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
GB32881/76A 1976-08-06 1976-08-06 Apparatus for backwashing granular-bed filters Expired GB1546683A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB32881/76A GB1546683A (en) 1976-08-06 1976-08-06 Apparatus for backwashing granular-bed filters
ZA00773819A ZA773819B (en) 1976-08-06 1977-06-24 Improvements in or relating to granular-bed filters
AU26577/77A AU505207B2 (en) 1976-08-06 1977-06-29 Granular-bed backwash system
IE1610/77A IE45397B1 (en) 1976-08-06 1977-08-02 Improvements in or relating to apparatus for back-washing granular-bed filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32881/76A GB1546683A (en) 1976-08-06 1976-08-06 Apparatus for backwashing granular-bed filters

Publications (1)

Publication Number Publication Date
GB1546683A true GB1546683A (en) 1979-05-31

Family

ID=10345430

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32881/76A Expired GB1546683A (en) 1976-08-06 1976-08-06 Apparatus for backwashing granular-bed filters

Country Status (4)

Country Link
AU (1) AU505207B2 (en)
GB (1) GB1546683A (en)
IE (1) IE45397B1 (en)
ZA (1) ZA773819B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189712A (en) * 1986-05-02 1987-11-04 Biwater Treatment Ltd Water filtration installation
EP0933111A3 (en) * 1998-01-29 2002-01-02 The F.B. Leopold Company, Inc. Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in filter underdrain flumes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189712A (en) * 1986-05-02 1987-11-04 Biwater Treatment Ltd Water filtration installation
GB2189712B (en) * 1986-05-02 1989-11-29 Biwater Treatment Ltd Water filtration installations
EP0933111A3 (en) * 1998-01-29 2002-01-02 The F.B. Leopold Company, Inc. Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in filter underdrain flumes

Also Published As

Publication number Publication date
AU2657777A (en) 1979-01-04
ZA773819B (en) 1978-05-30
IE45397B1 (en) 1982-08-11
AU505207B2 (en) 1979-11-15
IE45397L (en) 1978-02-06

Similar Documents

Publication Publication Date Title
GB1542389A (en) Back-flushing filtering device
HK70285A (en) Filter system for frying apparatus
DE3068445D1 (en) Bag-type filter apparatus
JPS5456902A (en) Filtering apparatus
JPS51149881A (en) Thinnmembrane filtration apparatus
DE3071432D1 (en) Bag-type filter apparatus
IL51535A0 (en) Desalination apparatus
GB1544508A (en) Filtration apparatus
GB1546664A (en) Filtration apparatus
GB1552338A (en) Filtering apparatus
JPS5626509A (en) Filtering apparatus
GB2004196A (en) Filtering apparatus
ZA775769B (en) Dust filter apparatus
BG28097A1 (en) Filter for liquids purifying
AU500176B2 (en) Filter apparatus
DE3061503D1 (en) Backwash filter
JPS52130873A (en) Extruding apparatus for regeneration
GB1546683A (en) Apparatus for backwashing granular-bed filters
GB2007110B (en) Filtration apparatus
IL48942A0 (en) Filtering apparatus
JPS5354177A (en) Apparatus for eliminating mixeddinnoil
JPS5321862A (en) Sewage filtering apparatus
JPS5471085A (en) Filtration apparatus
JPS52149669A (en) Filtration method
JPS5367165A (en) Filtering means

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee