GB2151153B - Process and apparatus for filtering liquids - Google Patents

Process and apparatus for filtering liquids

Info

Publication number
GB2151153B
GB2151153B GB08428295A GB8428295A GB2151153B GB 2151153 B GB2151153 B GB 2151153B GB 08428295 A GB08428295 A GB 08428295A GB 8428295 A GB8428295 A GB 8428295A GB 2151153 B GB2151153 B GB 2151153B
Authority
GB
United Kingdom
Prior art keywords
filtering liquids
liquids
filtering
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
GB08428295A
Other versions
GB8428295D0 (en
GB2151153A (en
Inventor
Dr Ing Peter Ott
Reinhold Feller
Alfred Feller
Christian Puschel
Armin Bunger
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.)
PROJEKT WASSERWIRTSCHAFT VEB
Original Assignee
PROJEKT WASSERWIRTSCHAFT VEB
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
Priority claimed from DD25658583A external-priority patent/DD234158A3/en
Priority claimed from DD25658783A external-priority patent/DD231190A3/en
Priority claimed from DD26399884A external-priority patent/DD224496A1/en
Priority claimed from DD26399984A external-priority patent/DD224224A1/en
Priority claimed from DD26399184A external-priority patent/DD228453A1/en
Application filed by PROJEKT WASSERWIRTSCHAFT VEB filed Critical PROJEKT WASSERWIRTSCHAFT VEB
Publication of GB8428295D0 publication Critical patent/GB8428295D0/en
Publication of GB2151153A publication Critical patent/GB2151153A/en
Application granted granted Critical
Publication of GB2151153B publication Critical patent/GB2151153B/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
    • B01D24/20—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
    • 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
    • B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
    • 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
    • B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
    • B01D24/4673—Regenerating the filtering material in the filter by moving the filtering element using rotary devices or vibration mechanisms, e.g. stirrers
    • 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
    • B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
    • B01D24/4684—Regenerating the filtering material in the filter by moving the filtering element using spray devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
GB08428295A 1983-11-11 1984-11-08 Process and apparatus for filtering liquids Expired GB2151153B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DD25658383 1983-11-11
DD25658483 1983-11-11
DD25658583A DD234158A3 (en) 1983-11-11 1983-11-11 METHOD AND DEVICE FOR CLEANING WATER
DD25658783A DD231190A3 (en) 1983-11-11 1983-11-11 METHOD AND DEVICE FOR CLEANING THE COMBINED FILTER MATERIAL OF SURFACE FILTERS
DD26399884A DD224496A1 (en) 1984-06-08 1984-06-08 METHOD AND DEVICE FOR FILTRATION OF LIQUIDS
DD26399984A DD224224A1 (en) 1984-06-08 1984-06-08 METHOD AND DEVICE FOR FILTRATION OF LIQUIDS
DD26399184A DD228453A1 (en) 1984-06-08 1984-06-08 METHOD FOR FILTRATION OF LIQUIDS

Publications (3)

Publication Number Publication Date
GB8428295D0 GB8428295D0 (en) 1984-12-19
GB2151153A GB2151153A (en) 1985-07-17
GB2151153B true GB2151153B (en) 1988-08-10

Family

ID=27561208

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08428295A Expired GB2151153B (en) 1983-11-11 1984-11-08 Process and apparatus for filtering liquids

Country Status (3)

Country Link
DE (1) DE3439547A1 (en)
FR (1) FR2554736B3 (en)
GB (1) GB2151153B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8723221D0 (en) * 1987-10-02 1987-11-04 Thames Water Authority Slow sand filters
US5902488A (en) * 1997-09-09 1999-05-11 Prince; Dennis Scott Slow sand filter
SE511870C2 (en) * 1998-04-08 1999-12-06 Weda Poolcleaner Ab Method and apparatus for bottom cleaning of pools with sandy bottom
US8454841B2 (en) 2010-05-11 2013-06-04 Roberts Marketing De, Inc. Method of filtering water or wastewater

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE334671C (en) * 1919-11-25 1921-03-17 Reppen Vorm Louis Schroeter Ma Method and device for cleaning floating filter material
FR557656A (en) * 1922-10-20 1923-08-13 Method and device for cleaning large-area sand filters
GB432742A (en) * 1935-02-14 1935-08-01 Norman Garstang Elliot Improvements in or relating to the cleaning of slow sand filters
US2235227A (en) * 1938-04-22 1941-03-18 Jr Charles Lose Filter bed cleaning
US2182095A (en) * 1938-09-29 1939-12-05 Francis L Pruyn Filter bed cleaning
US2389329A (en) * 1941-02-14 1945-11-20 Philip B Streander Filter bed cleaning
US3239061A (en) * 1963-06-05 1966-03-08 Koppers Co Inc Automatic backwash sand filter and process of cleaning same
FR1524245A (en) * 1967-03-28 1968-05-10 Method for washing open or gravity-fed filters for water purification and apparatus for its implementation
CH515731A (en) * 1971-03-22 1971-11-30 Sp Pk I Naladochnoe Bjuro Device for cleaning pourable filter material in slow water treatment filters filled with water
DE2427698A1 (en) * 1974-06-08 1975-12-18 Bayer Ag Suspended particles sepn. from aq. fluids - by continuously operating compact plant with higher throughput speeds
CH589464A5 (en) * 1975-07-11 1977-07-15 Filtrox Maschinenbau Ag
CH641969A5 (en) * 1979-05-29 1984-03-30 Zhdanovskij Metall Inst Filter and use of the filter
US4450077A (en) * 1982-08-06 1984-05-22 Envirotech Corporation Granular media filter

Also Published As

Publication number Publication date
GB8428295D0 (en) 1984-12-19
GB2151153A (en) 1985-07-17
DE3439547C2 (en) 1989-04-20
DE3439547A1 (en) 1985-05-30
FR2554736B3 (en) 1986-04-25
FR2554736A1 (en) 1985-05-17

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee