DE2925486A1 - Filtrationsverfahren - Google Patents

Filtrationsverfahren

Info

Publication number
DE2925486A1
DE2925486A1 DE19792925486 DE2925486A DE2925486A1 DE 2925486 A1 DE2925486 A1 DE 2925486A1 DE 19792925486 DE19792925486 DE 19792925486 DE 2925486 A DE2925486 A DE 2925486A DE 2925486 A1 DE2925486 A1 DE 2925486A1
Authority
DE
Germany
Prior art keywords
filter
fibrids
polyalkane
polyethylene
filtration
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.)
Withdrawn
Application number
DE19792925486
Other languages
German (de)
English (en)
Inventor
Edmund Hartinger
Elias Dr Juelke
Harald Dr 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 DE2925486A1 publication Critical patent/DE2925486A1/de
Withdrawn legal-status Critical Current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)
DE19792925486 1979-05-14 1979-06-23 Filtrationsverfahren Withdrawn DE2925486A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2925486A1 true DE2925486A1 (de) 1980-11-27

Family

ID=4276330

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792925486 Withdrawn DE2925486A1 (de) 1979-05-14 1979-06-23 Filtrationsverfahren

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8713306U1 (de) * 1987-10-03 1987-11-12 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Filtervorrichtung

Families Citing this family (10)

* 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
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)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921860A1 (de) * 1968-04-29 1969-11-20 Ethyl Corp Kunststoffilter
DE2427698A1 (de) * 1974-06-08 1975-12-18 Bayer Ag Verfahren zur abscheidung suspendierter teilchen aus waessrigen fluessigkeiten
DE2111855B2 (de) * 1971-03-12 1976-04-29 Bayer Ag, 5090 Leverkusen Filterhilfsmittel fuer die anschwemmfiltration

Family Cites Families (12)

* 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
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921860A1 (de) * 1968-04-29 1969-11-20 Ethyl Corp Kunststoffilter
DE2111855B2 (de) * 1971-03-12 1976-04-29 Bayer Ag, 5090 Leverkusen Filterhilfsmittel fuer die anschwemmfiltration
DE2427698A1 (de) * 1974-06-08 1975-12-18 Bayer Ag Verfahren zur abscheidung suspendierter teilchen aus waessrigen fluessigkeiten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8713306U1 (de) * 1987-10-03 1987-11-12 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Filtervorrichtung

Also Published As

Publication number Publication date
SE8003515L (sv) 1980-11-15
FR2456540A1 (fr) 1980-12-12
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
OAM Search report available
OC Search report available
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: RUPPRECHT, K., DIPL.-ING., PAT.-ANW., 6242 KRONBER

8139 Disposal/non-payment of the annual fee