CH640146A5 - Filtrationsverfahren. - Google Patents
Filtrationsverfahren. Download PDFInfo
- Publication number
- CH640146A5 CH640146A5 CH444979A CH444979A CH640146A5 CH 640146 A5 CH640146 A5 CH 640146A5 CH 444979 A CH444979 A CH 444979A CH 444979 A CH444979 A CH 444979A CH 640146 A5 CH640146 A5 CH 640146A5
- Authority
- CH
- Switzerland
- Prior art keywords
- filter
- fibrids
- polyethylene
- filtered
- weight
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 11
- -1 polyethylene Polymers 0.000 claims description 21
- 239000004698 Polyethylene Substances 0.000 claims description 16
- 229920000573 polyethylene Polymers 0.000 claims description 16
- 239000012065 filter cake Substances 0.000 claims description 12
- 239000002609 medium Substances 0.000 claims description 8
- 239000012736 aqueous medium Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 description 9
- 239000001913 cellulose Substances 0.000 description 7
- 229920002678 cellulose Polymers 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010559 graft polymerization reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH444979A CH640146A5 (de) | 1979-05-14 | 1979-05-14 | Filtrationsverfahren. |
| DE19792925486 DE2925486A1 (de) | 1979-05-14 | 1979-06-23 | Filtrationsverfahren |
| US06/141,352 US4274971A (en) | 1979-05-14 | 1980-04-18 | Filtration process using polyolefin fibrids as filter aids |
| SE8003515A SE8003515L (sv) | 1979-05-14 | 1980-05-09 | Filtreringsforfarande |
| FR8010559A FR2456540A1 (fr) | 1979-05-14 | 1980-05-12 | Procede de filtrage |
| GB8015620A GB2049463B (en) | 1979-05-14 | 1980-05-12 | Filtration process |
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 |
|---|---|
| CH640146A5 true CH640146A5 (de) | 1983-12-30 |
Family
ID=4276330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH444979A CH640146A5 (de) | 1979-05-14 | 1979-05-14 | 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)
| 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)
| 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) |
Family Cites Families (14)
| 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 |
-
1979
- 1979-05-14 CH CH444979A patent/CH640146A5/de not_active IP Right Cessation
- 1979-06-23 DE DE19792925486 patent/DE2925486A1/de not_active Withdrawn
-
1980
- 1980-04-18 US US06/141,352 patent/US4274971A/en not_active Expired - Lifetime
- 1980-05-09 SE SE8003515A patent/SE8003515L/ unknown
- 1980-05-12 FR FR8010559A patent/FR2456540A1/fr active Granted
- 1980-05-12 GB GB8015620A patent/GB2049463B/en not_active Expired
Cited By (1)
| 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 |
| DE2925486A1 (de) | 1980-11-27 |
| US4274971A (en) | 1981-06-23 |
| GB2049463A (en) | 1980-12-31 |
| GB2049463B (en) | 1983-04-27 |
| FR2456540B1 (enExample) | 1984-12-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |