FR2456540A1 - Procede de filtrage - Google Patents

Procede de filtrage

Info

Publication number
FR2456540A1
FR2456540A1 FR8010559A FR8010559A FR2456540A1 FR 2456540 A1 FR2456540 A1 FR 2456540A1 FR 8010559 A FR8010559 A FR 8010559A FR 8010559 A FR8010559 A FR 8010559A FR 2456540 A1 FR2456540 A1 FR 2456540A1
Authority
FR
France
Prior art keywords
filtering
additive
fibrids
filtering process
medium
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.)
Granted
Application number
FR8010559A
Other languages
English (en)
French (fr)
Other versions
FR2456540B1 (enExample
Inventor
Edmund Hartinger
Elias Juelke
Harald Sandmann
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.)
Maschinenfabrik Meyer AG
Original Assignee
Maschinenfabrik Meyer AG
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 Maschinenfabrik Meyer AG filed Critical Maschinenfabrik Meyer AG
Publication of FR2456540A1 publication Critical patent/FR2456540A1/fr
Application granted granted Critical
Publication of FR2456540B1 publication Critical patent/FR2456540B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Filtering Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Water Treatment By Sorption (AREA)
FR8010559A 1979-05-14 1980-05-12 Procede de filtrage Granted FR2456540A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH444979A CH640146A5 (de) 1979-05-14 1979-05-14 Filtrationsverfahren.

Publications (2)

Publication Number Publication Date
FR2456540A1 true FR2456540A1 (fr) 1980-12-12
FR2456540B1 FR2456540B1 (enExample) 1984-12-28

Family

ID=4276330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8010559A Granted FR2456540A1 (fr) 1979-05-14 1980-05-12 Procede de filtrage

Country Status (6)

Country Link
US (1) US4274971A (enExample)
CH (1) CH640146A5 (enExample)
DE (1) DE2925486A1 (enExample)
FR (1) FR2456540A1 (enExample)
GB (1) GB2049463B (enExample)
SE (1) SE8003515L (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2939813A1 (de) * 1979-08-29 1981-04-02 BBC AG Brown, Boveri & Cie., Baden, Aargau Flotationsverfahren zur abwasserreinigung
JPS5836299A (ja) * 1981-08-24 1983-03-03 凸版印刷株式会社 繊維質材
DE8713306U1 (de) * 1987-10-03 1987-11-12 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Filtervorrichtung
DE4119288B4 (de) * 1991-06-12 2004-08-26 Schenk-Filterbau Gmbh Verfahren zur Schichtenfiltration von pharmazeutischen, biologischen, chemischen oder dergleichen Flüssigkeiten
US6015494A (en) * 1994-03-28 2000-01-18 The Regents Of The University Of California Polyolefin oil/water separator
US5969026A (en) * 1997-06-26 1999-10-19 Techmer Pm Wettable polymer fibers
US6146757A (en) * 1998-06-29 2000-11-14 Techmer Pm Wettable polymer fibers, compositions for preparaing same and articles made therefrom
US6762339B1 (en) 1999-05-21 2004-07-13 3M Innovative Properties Company Hydrophilic polypropylene fibers having antimicrobial activity
DE60006227T2 (de) * 1999-05-21 2004-08-05 3M Innovative Properties Co., Saint Paul Antimikrobielle gegenstände
EP2411061B1 (en) 2009-03-27 2014-11-19 3M Innovative Properties Company Hydrophilic polypropylene melt additives
GB201317702D0 (en) * 2013-10-07 2013-11-20 Wista Lab Ltd Methods of chemical synthesis of diaminophenothiazinium compounds including methylthioninium chloride (MTC)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB752287A (en) * 1953-07-06 1956-07-11 Delbag Luftfilter Gmbh Improvements in a filter for separating minute particles of matter suspended in a fluid
NL246230A (enExample) * 1958-12-09
US3274103A (en) * 1963-04-15 1966-09-20 Phillips Petroleum Co Filtration
US3632415A (en) * 1968-01-25 1972-01-04 Phillips Petroleum Co Synthetic organic fiber {13 asbestos fiber fabric and asphalt impregnated product
US3568846A (en) * 1968-04-29 1971-03-09 Ethyl Corp Plastic filter media
GB1351596A (en) * 1970-03-06 1974-05-01 Stella Metal Filters Ltd Filtration of liquids
JPS4720054U (enExample) * 1971-01-30 1972-11-07
US3880754A (en) * 1971-03-12 1975-04-29 Bayer Ag Filtering with polyacrylonitrile or polyamide fibers as filter aid
SE351232B (enExample) * 1971-04-06 1972-11-20 Kritbruksbolaget I Malmoe Ab
US3961007A (en) * 1973-10-23 1976-06-01 E & J Gallo Winery Continuous process for making fibrous cellulose acetate filter material
DE2427698A1 (de) * 1974-06-08 1975-12-18 Bayer Ag Verfahren zur abscheidung suspendierter teilchen aus waessrigen fluessigkeiten
US4104170A (en) * 1975-08-28 1978-08-01 Met-Pro Corporation Liquid filter having improved extended polypropylene element
IT1074822B (it) * 1977-01-21 1985-04-20 Montedison Spa Preparazione di filtri con l'impiego di fibre sintetiche
IT1077372B (it) * 1977-03-29 1985-05-04 Montedison Spa Perfezionamenti nei filtri a base di miscele di fibre sintetiche con cellulosa

Also Published As

Publication number Publication date
SE8003515L (sv) 1980-11-15
DE2925486A1 (de) 1980-11-27
US4274971A (en) 1981-06-23
GB2049463A (en) 1980-12-31
GB2049463B (en) 1983-04-27
CH640146A5 (de) 1983-12-30
FR2456540B1 (enExample) 1984-12-28

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Legal Events

Date Code Title Description
ST Notification of lapse