BE822837A - Filtre a eau - Google Patents

Filtre a eau

Info

Publication number
BE822837A
BE822837A BE151055A BE151055A BE822837A BE 822837 A BE822837 A BE 822837A BE 151055 A BE151055 A BE 151055A BE 151055 A BE151055 A BE 151055A BE 822837 A BE822837 A BE 822837A
Authority
BE
Belgium
Prior art keywords
water filter
filter
water
Prior art date
Application number
BE151055A
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 BE822837A publication Critical patent/BE822837A/fr

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
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/06—Inorganic material, e.g. asbestos fibres, glass beads or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/18—Filters characterised by the openings or pores
    • B01D2201/188—Multiple filtering elements having filtering areas of different size

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Filtering Materials (AREA)
  • Filtration Of Liquid (AREA)
BE151055A 1973-12-03 1974-12-02 Filtre a eau BE822837A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US421451A US3876546A (en) 1973-12-03 1973-12-03 Four-media filter

Publications (1)

Publication Number Publication Date
BE822837A true BE822837A (fr) 1975-04-01

Family

ID=23670571

Family Applications (1)

Application Number Title Priority Date Filing Date
BE151055A BE822837A (fr) 1973-12-03 1974-12-02 Filtre a eau

Country Status (4)

Country Link
US (1) US3876546A (fr)
JP (1) JPS5094749A (fr)
BE (1) BE822837A (fr)
NL (1) NL7415777A (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081365A (en) * 1974-01-02 1978-03-28 Filters International Inc. Methods for use in water purification particularly sewage treatments
US4166037A (en) * 1975-05-30 1979-08-28 Societe Pica Activated carbon filter having plural layers
US4211651A (en) * 1975-06-09 1980-07-08 Thomas Robert C Water reclamation process
US3975270A (en) * 1975-12-03 1976-08-17 The United States Of America As Represented By The Secretary Of Agriculture Process for recovering usable olive-processing liquor from olive-processing waste solution
US4190533A (en) * 1976-02-12 1980-02-26 Amsted Industries Incorporated Filter method
US4197205A (en) * 1977-05-31 1980-04-08 Gene Hirs Deep bed filter
US4326964A (en) * 1979-03-23 1982-04-27 Gene Hirs Granular filter medium
WO1981002844A1 (fr) * 1980-04-04 1981-10-15 G Hirs Filtre et son procede de fabrication
US4448682A (en) * 1980-08-08 1984-05-15 Akzona, Incorporated Production of purified brine
JPS5782614A (en) * 1980-11-11 1982-05-24 Central Res Inst Of Electric Power Ind Dust collecting method for coal burning plant
US4374029A (en) * 1981-05-04 1983-02-15 Nelson Industries, Inc. Regenerative filter
US4668388A (en) * 1983-11-25 1987-05-26 Texaco Inc. High rate sludge reactor
GB8413982D0 (en) * 1984-06-01 1984-07-04 Tate & Lyle Plc Filter
US4747945A (en) * 1987-07-14 1988-05-31 Culligan International Company Lightweight media depth filter
GB2369069B (en) * 2000-11-03 2005-02-09 Spruce Internat Separations Lt Water treatment system
GB2388557B (en) * 2002-05-08 2006-07-12 Spruce Internat Separations Lt Treatment system
US20040020870A1 (en) * 2002-07-31 2004-02-05 Amburgey James Emanuel Method of filter backwashing: extended terminal subfluidization wash
US7045067B2 (en) * 2004-08-05 2006-05-16 Eco-Tec Limited Method and apparatus for increasing filter contaminant loading capacity
US7967992B2 (en) * 2005-01-25 2011-06-28 Ricura Technologies, Llc Method and device incorporating granular particles and disc-shaped plastic pellets for filtering water
FR2910460B1 (fr) * 2006-12-26 2010-09-17 Degremont Dispositif et procede de filtration d'eau, en particulier d'eaux de surface
US8192635B2 (en) * 2009-04-20 2012-06-05 Dholakia Jayant M Method for reducing clogging of filters
FI20105736A0 (fi) * 2010-06-24 2010-06-24 Preseco Oy Menetelmä orgaanista ainetta sisältävän jäteveden käsittelemiseksi
US10053372B1 (en) 2011-11-19 2018-08-21 Jayant M. Dholakia Method and apparatus for filtering stormwater
MD4298C1 (ro) * 2013-02-14 2015-03-31 Институт Химии Академии Наук Молдовы Procedeu de potabilizare a apelor subterane şi de suprafaţă
US9884272B1 (en) 2014-05-12 2018-02-06 Jayant M. Dholakia Method and apparatus for filtering stormwater
US10384962B1 (en) 2014-05-12 2019-08-20 Jayant M Dholakia Method and apparatus for filtering contaminated water
US10675565B1 (en) 2018-01-31 2020-06-09 Dipen M Patel Method and apparatus for filtering contaminated water
US10682591B1 (en) 2018-02-06 2020-06-16 Dipen M Patel Method for filtering contaminated water
MX2021003292A (es) * 2018-10-24 2021-05-27 Neptune Benson Llc Filtro de lecho de medios multicapa que comprende micromedios de cuentas de vidrio.
US11351486B2 (en) 2019-07-17 2022-06-07 Walter Tom Kemmer Internal reticulated foam filter for a water filtration tank

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US293745A (en) * 1884-02-19 Filter
US3343680A (en) * 1964-02-17 1967-09-26 Gen Services Company Filter and method of making same
US3382983A (en) * 1964-03-16 1968-05-14 Dixie Entpr Inc Multi-layered filter apparatus
US3557961A (en) * 1968-11-04 1971-01-26 Fred E Stuart Sr Sand filter
US3704786A (en) * 1971-08-30 1972-12-05 Marc Lerner Particulate filter media having a gradient of removal ratings
US3757954A (en) * 1971-12-15 1973-09-11 A Toth Two-way filter

Also Published As

Publication number Publication date
JPS5094749A (fr) 1975-07-28
AU7575674A (en) 1976-05-27
US3876546A (en) 1975-04-08
NL7415777A (nl) 1975-06-05

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