EG25687A - Device and method for filtering water, in particular surface water - Google Patents

Device and method for filtering water, in particular surface water

Info

Publication number
EG25687A
EG25687A EG2009060983A EG2009060983A EG25687A EG 25687 A EG25687 A EG 25687A EG 2009060983 A EG2009060983 A EG 2009060983A EG 2009060983 A EG2009060983 A EG 2009060983A EG 25687 A EG25687 A EG 25687A
Authority
EG
Egypt
Prior art keywords
water
particular surface
filtering
surface water
filtering water
Prior art date
Application number
EG2009060983A
Inventor
Veronique Bonnelye
Patrick Vion
Original Assignee
Degremont
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 Degremont filed Critical Degremont
Application granted granted Critical
Publication of EG25687A publication Critical patent/EG25687A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
    • 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
    • B01D24/008—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 arranged concentrically or coaxially
    • 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
    • B01D24/46—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
    • B01D2101/00—Types of filters having loose filtering material
    • B01D2101/02—Carbon filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2101/00—Types of filters having loose filtering material
    • B01D2101/04—Sand or gravel filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Filtration Of Liquid (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EG2009060983A 2006-12-26 2009-06-25 Device and method for filtering water, in particular surface water EG25687A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0611376A FR2910460B1 (en) 2006-12-26 2006-12-26 DEVICE AND METHOD FOR FILTRATION OF WATER, IN PARTICULAR SURFACE WATER
PCT/FR2007/002112 WO2008093017A2 (en) 2006-12-26 2007-12-19 Device and method for filtering water, in particular surface water

Publications (1)

Publication Number Publication Date
EG25687A true EG25687A (en) 2012-05-17

Family

ID=38523470

Family Applications (1)

Application Number Title Priority Date Filing Date
EG2009060983A EG25687A (en) 2006-12-26 2009-06-25 Device and method for filtering water, in particular surface water

Country Status (7)

Country Link
EP (1) EP2104543B1 (en)
BR (1) BRPI0720704A2 (en)
EG (1) EG25687A (en)
ES (1) ES2656425T3 (en)
FR (1) FR2910460B1 (en)
MX (1) MX2009006941A (en)
WO (1) WO2008093017A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ2011468A3 (en) * 2011-08-01 2013-02-13 Topol@Jan Method of cleaning filter medium of gravity sand filter and filtering apparatus
FR2986164B1 (en) * 2012-02-01 2014-11-28 Degremont METHOD FOR WASHING A FILTER HAVING AT LEAST TWO LAYERS OF FILTER MEDIA, ESPECIALLY FOR SEA WATER, AND AN INSTALLATION FOR CARRYING OUT SAID METHOD
CN111672172A (en) * 2020-04-24 2020-09-18 清华大学 Method and system for controlling backwashing duration of filter tank
FR3121673A1 (en) 2021-04-12 2022-10-14 Suez Groupe INSTALLATION AND METHOD FOR WATER TREATMENT

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814247A (en) * 1972-08-21 1974-06-04 Hydromation Filter Co Method of filtering
US3876546A (en) * 1973-12-03 1975-04-08 Neptune Microfloc Inc Four-media filter
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
US4668405A (en) * 1985-06-19 1987-05-26 Process Development, Inc. Downflow filter with high velocity backflush
US5350505A (en) * 1993-03-01 1994-09-27 Jet, Inc. Plastic media filter
GB2369069B (en) * 2000-11-03 2005-02-09 Spruce Internat Separations Lt Water treatment system
US7045067B2 (en) * 2004-08-05 2006-05-16 Eco-Tec Limited Method and apparatus for increasing filter contaminant loading capacity

Also Published As

Publication number Publication date
BRPI0720704A2 (en) 2014-02-18
WO2008093017A2 (en) 2008-08-07
EP2104543A2 (en) 2009-09-30
ES2656425T3 (en) 2018-02-27
FR2910460A1 (en) 2008-06-27
FR2910460B1 (en) 2010-09-17
EP2104543B1 (en) 2017-11-08
MX2009006941A (en) 2009-07-22
WO2008093017A3 (en) 2008-11-27

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