FI69655C - Anvaendning av polyalkylenoxider foer separering av cellulosafibrer - Google Patents

Anvaendning av polyalkylenoxider foer separering av cellulosafibrer Download PDF

Info

Publication number
FI69655C
FI69655C FI812579A FI812579A FI69655C FI 69655 C FI69655 C FI 69655C FI 812579 A FI812579 A FI 812579A FI 812579 A FI812579 A FI 812579A FI 69655 C FI69655 C FI 69655C
Authority
FI
Finland
Prior art keywords
unbleached
pulp
fibers
fibres
polyalkylene oxides
Prior art date
Application number
FI812579A
Other languages
English (en)
Finnish (fi)
Other versions
FI812579L (fi
FI69655B (fi
Inventor
Tom Sture Christer Lindstroem
Hans Lennart Westman
Original Assignee
Svenska Traeforskningsinst
Casco Ab
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 Svenska Traeforskningsinst, Casco Ab filed Critical Svenska Traeforskningsinst
Publication of FI812579L publication Critical patent/FI812579L/fi
Application granted granted Critical
Publication of FI69655B publication Critical patent/FI69655B/fi
Publication of FI69655C publication Critical patent/FI69655C/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/022—Chemicals therefor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • D21F1/82—Pulp catching, de-watering, or recovering; Re-use of pulp-water adding fibre agglomeration compositions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Artificial Filaments (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
FI812579A 1980-01-08 1981-08-21 Anvaendning av polyalkylenoxider foer separering av cellulosafibrer FI69655C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8000141 1980-01-08
SE8000141A SE419778B (sv) 1980-01-08 1980-01-08 Anvendning av polyalkylenoxider for separation av cellulosafibrer
SE8000347 1980-12-23
PCT/SE1980/000347 WO1981002030A1 (en) 1980-01-08 1980-12-23 Use of polyalkylene oxides for the separation of cellulose fibres

Publications (3)

Publication Number Publication Date
FI812579L FI812579L (fi) 1981-08-21
FI69655B FI69655B (fi) 1985-11-29
FI69655C true FI69655C (fi) 1986-03-10

Family

ID=20339915

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812579A FI69655C (fi) 1980-01-08 1981-08-21 Anvaendning av polyalkylenoxider foer separering av cellulosafibrer

Country Status (10)

Country Link
US (1) US4362600A (sv)
EP (1) EP0032364B1 (sv)
JP (1) JPS5922831B2 (sv)
AT (1) ATE2629T1 (sv)
CA (1) CA1150913A (sv)
DE (1) DE3062142D1 (sv)
FI (1) FI69655C (sv)
NO (1) NO813039L (sv)
SE (1) SE419778B (sv)
WO (1) WO1981002030A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0463743U (sv) * 1990-10-15 1992-05-29
GB9212867D0 (en) * 1992-06-17 1992-07-29 Wiggins Teape Group Ltd Recovery and re-use of raw materials from paper mill waste sludge
US5246116A (en) * 1992-09-22 1993-09-21 Reynolds Metals Company Method and apparatus for separation and recovery of the components from foil-containing laminates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069306A (en) * 1960-04-20 1962-12-18 Petrolite Corp Oxyalkylated water process
US3141816A (en) * 1960-07-27 1964-07-21 Nalco Chemical Co Method of improving operational efficiency of white water recovery systems
US3884750A (en) * 1972-09-25 1975-05-20 Little Inc A Method of recovering separate fiber fractions from corrugated board
US3925150A (en) * 1973-04-06 1975-12-09 Black Clawson Co Selective reclamation of waste paper products

Also Published As

Publication number Publication date
SE419778B (sv) 1981-08-24
EP0032364B1 (en) 1983-02-23
EP0032364A1 (en) 1981-07-22
US4362600A (en) 1982-12-07
SE8000141L (sv) 1981-07-09
JPS56501851A (sv) 1981-12-17
WO1981002030A1 (en) 1981-07-23
JPS5922831B2 (ja) 1984-05-29
CA1150913A (en) 1983-08-02
FI812579L (fi) 1981-08-21
ATE2629T1 (de) 1983-03-15
NO813039L (no) 1981-09-07
DE3062142D1 (en) 1983-03-31
FI69655B (fi) 1985-11-29

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SVENSKA TRAEFORSKNINGSINSTITUTET