CH407950A - Process for the filtration of liquids that are difficult to filter - Google Patents

Process for the filtration of liquids that are difficult to filter

Info

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
Application number
CH662163A
Other languages
German (de)
Inventor
Mueller Hans Ing Dr
Original Assignee
Mueller Hans
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
Priority to BE759333D priority Critical patent/BE759333R/en
Application filed by Mueller Hans filed Critical Mueller Hans
Priority to CH662163A priority patent/CH407950A/en
Priority to CH950463A priority patent/CH467808A/en
Priority to CH1429163A priority patent/CH466852A/en
Priority to DE1964M0060991 priority patent/DE1468318A1/en
Priority to BE647908D priority patent/BE647908A/xx
Priority to SE6145/64A priority patent/SE321046B/xx
Priority to AT447664A priority patent/AT271712B/en
Priority to NO153340A priority patent/NO121330B/no
Priority to FR975920A priority patent/FR1396214A/en
Priority to GB21963/64A priority patent/GB1056321A/en
Priority to US370942A priority patent/US3362533A/en
Priority to NL646406005A priority patent/NL142999B/en
Publication of CH407950A publication Critical patent/CH407950A/en
Priority to CH1035969A priority patent/CH521452A/en
Priority to CH1059169A priority patent/CH493569A/en

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
CH662163A 1963-05-28 1963-05-28 Process for the filtration of liquids that are difficult to filter CH407950A (en)

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
AT447664A AT271712B (en) 1963-05-28 1964-05-22 Process for the regeneration of washable filter aids
NO153340A NO121330B (en) 1963-05-28 1964-05-22
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)

* Cited by examiner, † Cited by third party
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, De
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

Cited By (3)

* Cited by examiner, † Cited by third party
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, De
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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