IT1086771B - Perfezionamento dei dispositivo filtranti - Google Patents

Perfezionamento dei dispositivo filtranti

Info

Publication number
IT1086771B
IT1086771B IT47791/77A IT4779177A IT1086771B IT 1086771 B IT1086771 B IT 1086771B IT 47791/77 A IT47791/77 A IT 47791/77A IT 4779177 A IT4779177 A IT 4779177A IT 1086771 B IT1086771 B IT 1086771B
Authority
IT
Italy
Prior art keywords
improvement
filtering devices
filtering
devices
Prior art date
Application number
IT47791/77A
Other languages
English (en)
Original Assignee
Kurita Water Ind 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 Kurita Water Ind Ltd filed Critical Kurita Water Ind Ltd
Application granted granted Critical
Publication of IT1086771B publication Critical patent/IT1086771B/it

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
    • 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
    • B01D24/4605—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer
    • B01D24/4621—Regenerating the filtering material in the filter by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream
    • 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)
IT47791/77A 1976-01-26 1977-01-25 Perfezionamento dei dispositivo filtranti IT1086771B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP660776A JPS5290865A (en) 1976-01-26 1976-01-26 Method of washing filter apparatus

Publications (1)

Publication Number Publication Date
IT1086771B true IT1086771B (it) 1985-05-31

Family

ID=11643026

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47791/77A IT1086771B (it) 1976-01-26 1977-01-25 Perfezionamento dei dispositivo filtranti

Country Status (5)

Country Link
US (1) US4102786A (it)
JP (1) JPS5290865A (it)
BR (1) BR7700411A (it)
DE (1) DE2702972C3 (it)
IT (1) IT1086771B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE874420A (fr) * 1978-03-02 1979-08-23 Unilever Nv Procede de production de compositions detergentes
US4336232A (en) * 1978-04-14 1982-06-22 Moritz George J Production of purified brine
JPS5588812A (en) * 1978-12-27 1980-07-04 Hitachi Metals Ltd Filtering and washing method
AU1797783A (en) * 1982-09-27 1984-04-05 Amsted Industries Incorporated Filtering system
US4589927A (en) * 1984-05-29 1986-05-20 Battelle Development Corporation Liquid multisolid fluidized bed processing
US5013882A (en) * 1987-06-29 1991-05-07 A.G. Fur Industrielle Elektronik Labyrinth filter for dielectric of spark erosion systems
US5145588A (en) * 1991-02-19 1992-09-08 Western Water International, Inc. High backwash flow rate purification system
US5114595A (en) * 1991-02-19 1992-05-19 Coyanosa Operations Company, Inc. Multiple screen filter and method
US5286466A (en) * 1991-04-08 1994-02-15 Ari Technologies, Inc. Multi-bed cocurrent downflow mass transfer column with spherical packing
US5302361A (en) * 1991-04-08 1994-04-12 Ari Technologies, Inc. Multi-bed mass transfer column with mobile packing
US5296205A (en) * 1991-04-08 1994-03-22 Ari Technologies, Inc. Multi-bed mass transfer column with mobile packing
US5693219A (en) * 1996-01-31 1997-12-02 Beauchamp; William J. Apparatus for backwashing a water filter
GB2369069B (en) * 2000-11-03 2005-02-09 Spruce Internat Separations Lt Water treatment system
GB2395920B (en) * 2002-12-03 2006-08-02 Dynamic Proc Solutions Plc Apparatus for inhibiting fines carryover
IL197322B (en) 2009-02-26 2018-05-31 Liquid Automation Ltd Filtering device and method for handling granular filter media
US9789423B2 (en) 2009-02-26 2017-10-17 Liquid Automation Ltd. Filtration apparatus and method for treating granular filtration medium
CN102078714B (zh) * 2010-12-30 2012-07-04 济南裕兴化工有限责任公司 多介质过滤器反洗工艺
GB201301028D0 (en) * 2012-12-04 2013-03-06 Enhydra Ltd Filtration arrangement and method
US10913667B2 (en) * 2017-12-08 2021-02-09 Westech Engineering, Inc. Multi-media clarification systems and methods
AU2020201675B2 (en) 2019-03-08 2021-11-04 Anglo American Technical & Sustainability Services Ltd Tailings deposition
CN110015779B (zh) * 2019-04-03 2021-11-23 哈尔滨工程大学 船舶洗涤废水处理装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125889B (de) * 1960-05-21 1962-03-22 Steinmueller Gmbh L & C Rueckspuelbares Fluessigkeitsfilter mit losem Filtermaterial
US3550774A (en) * 1968-01-09 1970-12-29 Hydromation Eng Co Method of and apparatus for filtering
US3695433A (en) * 1970-09-28 1972-10-03 Hydromation Filter Co A method of filtering a mixture of liquid and fibrous solid contaminants
US3814247A (en) * 1972-08-21 1974-06-04 Hydromation Filter Co Method of filtering
US3814245A (en) * 1972-08-21 1974-06-04 Hydromation Filter Co Method of filtering
US3900395A (en) * 1973-08-16 1975-08-19 Hydromation Filter Co Method of and apparatus for filtering
US4048068A (en) * 1974-01-09 1977-09-13 Amsted Industries, Inc. Method of and apparatus for filtering
US3932278A (en) * 1974-02-15 1976-01-13 Sterling Drug Inc. Filter cleaning method
DE2432443B2 (de) * 1974-07-06 1978-04-20 Daniel Dipl.-Ing. 5300 Bonn- Beuel Pacik Verfahren zur Rückspülung von Filterbetten und Vorrichtung zur Durchführung des Verfahrens
US3953333A (en) * 1975-04-21 1976-04-27 Hydromation Filter Company Method and apparatus for rejuvenating a bed of granular filter medium

Also Published As

Publication number Publication date
DE2702972C3 (de) 1981-10-15
DE2702972B2 (de) 1981-02-26
JPS5290865A (en) 1977-07-30
JPS5420694B2 (it) 1979-07-25
BR7700411A (pt) 1977-10-18
DE2702972A1 (de) 1977-07-28
US4102786A (en) 1978-07-25

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