CH407950A - Process for the filtration of liquids that are difficult to filter - Google Patents
Process for the filtration of liquids that are difficult to filterInfo
- Publication number
- CH407950A CH407950A CH662163A CH662163A CH407950A CH 407950 A CH407950 A CH 407950A CH 662163 A CH662163 A CH 662163A CH 662163 A CH662163 A CH 662163A CH 407950 A CH407950 A CH 407950A
- Authority
- CH
- Switzerland
- Prior art keywords
- liquids
- filtration
- filter
- difficult
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/106—Filtering
-
- 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
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/02—Loose filtering material, e.g. loose fibres
- B01D39/04—Organic material, e.g. cellulose, cotton
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE759333D BE759333R (en) | 1963-05-28 | Filtration of viscose | |
CH662163A CH407950A (en) | 1963-05-28 | 1963-05-28 | Process for the filtration of liquids that are difficult to filter |
CH950463A CH467808A (en) | 1963-05-28 | 1963-07-30 | Process for the regeneration of precoat from viscose filtration |
CH1429163A CH466852A (en) | 1963-05-28 | 1963-11-20 | Process for the regeneration of precoat filter media from viscose filtration |
DE1964M0060991 DE1468318A1 (en) | 1963-05-28 | 1964-05-13 | Process for the filtration of rayon and synthetic film spinning masses by means of filter surfaces onto which a precoat is applied |
BE647908D BE647908A (en) | 1963-05-28 | 1964-05-14 | |
SE6145/64A SE321046B (en) | 1963-05-28 | 1964-05-21 | |
NO153340A NO121330B (en) | 1963-05-28 | 1964-05-22 | |
AT447664A AT271712B (en) | 1963-05-28 | 1964-05-22 | Process for the regeneration of washable filter aids |
FR975920A FR1396214A (en) | 1963-05-28 | 1964-05-26 | Method of filtering artificial silk spinning masses and plastic sheets by means of filter surfaces carrying an entraining agent |
GB21963/64A GB1056321A (en) | 1963-05-28 | 1964-05-27 | Process for the filtration of viscose solutions |
US370942A US3362533A (en) | 1963-05-28 | 1964-05-28 | Process for the filtration of artificial silk and synthetic foil spinning materials by means of filter surfaces to which an alluvial medium is applied |
NL646406005A NL142999B (en) | 1963-05-28 | 1964-05-28 | METHOD OF FILTRATION OF VISCOSE. |
CH1035969A CH521452A (en) | 1963-05-28 | 1969-07-04 | Flotation filtration of polyacrylonitrile spinning solns - - adding polyamide powder to the soln |
CH1059169A CH493569A (en) | 1963-05-28 | 1969-07-09 | Regeneration of alusial agent from vistose |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH662163A CH407950A (en) | 1963-05-28 | 1963-05-28 | Process for the filtration of liquids that are difficult to filter |
Publications (1)
Publication Number | Publication Date |
---|---|
CH407950A true CH407950A (en) | 1966-02-28 |
Family
ID=4312451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH662163A CH407950A (en) | 1963-05-28 | 1963-05-28 | Process for the filtration of liquids that are difficult to filter |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH407950A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2740307A1 (en) * | 1976-09-07 | 1978-03-09 | Chemap Ag | PROCESS FOR THE SAND FILTRATION OF CELLULOSE ACETATE SOLUTIONS |
DE8713306U1 (en) * | 1987-10-03 | 1987-11-12 | Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach | Filter device |
EP1201288A1 (en) * | 2000-10-31 | 2002-05-02 | Universite Catholique De Louvain | Filter aid for the filtration of a liquid, in particular for the filtration of beer |
-
1963
- 1963-05-28 CH CH662163A patent/CH407950A/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2740307A1 (en) * | 1976-09-07 | 1978-03-09 | Chemap Ag | PROCESS FOR THE SAND FILTRATION OF CELLULOSE ACETATE SOLUTIONS |
DE8713306U1 (en) * | 1987-10-03 | 1987-11-12 | Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach | Filter device |
EP1201288A1 (en) * | 2000-10-31 | 2002-05-02 | Universite Catholique De Louvain | Filter aid for the filtration of a liquid, in particular for the filtration of beer |
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