FI954231A - Menetelmä kemimekaanisten ja/tai kemitermomekaanisten puumassojen valmistamiseksi - Google Patents

Menetelmä kemimekaanisten ja/tai kemitermomekaanisten puumassojen valmistamiseksi Download PDF

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Publication number
FI954231A
FI954231A FI954231A FI954231A FI954231A FI 954231 A FI954231 A FI 954231A FI 954231 A FI954231 A FI 954231A FI 954231 A FI954231 A FI 954231A FI 954231 A FI954231 A FI 954231A
Authority
FI
Finland
Prior art keywords
raw materials
chemomechanical
wood
preparation
chemothermomechanical
Prior art date
Application number
FI954231A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI954231A0 (fi
Inventor
Rudolf Patt
Jens Neumann
Original Assignee
Feldmuehle Ag Stora
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 Feldmuehle Ag Stora filed Critical Feldmuehle Ag Stora
Publication of FI954231A0 publication Critical patent/FI954231A0/fi
Publication of FI954231A publication Critical patent/FI954231A/fi

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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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
FI954231A 1993-03-11 1995-09-08 Menetelmä kemimekaanisten ja/tai kemitermomekaanisten puumassojen valmistamiseksi FI954231A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4307660A DE4307660C1 (de) 1993-03-11 1993-03-11 Herstellung chemo-mechanischer und/oder chemo-thermo-mechanischer Holzstoffe
PCT/EP1994/000627 WO1994020670A1 (de) 1993-03-11 1994-03-03 Herstellung chemomechanischer und/oder chemo-thermo-mechanischer holzstoffe

Publications (2)

Publication Number Publication Date
FI954231A0 FI954231A0 (fi) 1995-09-08
FI954231A true FI954231A (fi) 1995-09-08

Family

ID=6482482

Family Applications (1)

Application Number Title Priority Date Filing Date
FI954231A FI954231A (fi) 1993-03-11 1995-09-08 Menetelmä kemimekaanisten ja/tai kemitermomekaanisten puumassojen valmistamiseksi

Country Status (10)

Country Link
EP (1) EP0688373B1 (da)
JP (1) JPH08507333A (da)
AT (1) ATE144011T1 (da)
CA (1) CA2157886A1 (da)
DE (2) DE4307660C1 (da)
DK (1) DK0688373T3 (da)
ES (1) ES2095755T3 (da)
FI (1) FI954231A (da)
NO (1) NO953389L (da)
WO (1) WO1994020670A1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009057208A1 (de) * 2009-11-27 2011-06-01 Technische Universität Dresden Verfahren zur Herstellung von lignozellulosen Papierfaserstoffen sowie daraus gewonnene Papiere, Kartone und Pappen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1517169A1 (de) * 1963-05-21 1969-10-09 Defibrator Aktiebolaget Verfahren zur Herstellung chemischmechanischer Faserstoffe durch Erhitzung und Zerfaserung von mit Sulfitloesungen impraegnierten Holzhackstuecken in Dampfatmosphaere unter Druck und bei erhoehter Temperatur
DE2445523A1 (de) * 1974-09-24 1976-04-01 Waldhof Aschaffenburg Papier Verfahren zur herstellung von zellstoff
SE404044B (sv) * 1975-11-13 1978-09-18 Mo Och Domsjoe Ab Ljusabsorberande lignirik hogutbytescellulosamassa samt forfarande for framstellning av denna
US4211605A (en) * 1978-08-03 1980-07-08 Canadian International Paper Company High yield chemimechanical pulping processes
US4634499A (en) * 1983-05-02 1987-01-06 The Procter & Gamble Company Sulfite process for making pulp having a tactile softness from hardwood chips
DE3932347A1 (de) * 1989-09-28 1991-04-11 Feldmuehle Ag Herstellung chemo-mechanischer und/oder chemo-thermo-mechanischer holzstoffe
SE9002039D0 (sv) * 1990-06-07 1990-06-07 Svenska Traeforskningsinst Saett att framstaella massa

Also Published As

Publication number Publication date
EP0688373B1 (de) 1996-10-09
JPH08507333A (ja) 1996-08-06
DK0688373T3 (da) 1997-03-24
CA2157886A1 (en) 1994-09-15
WO1994020670A1 (de) 1994-09-15
ES2095755T3 (es) 1997-02-16
DE59400830D1 (de) 1996-11-14
NO953389D0 (no) 1995-08-29
EP0688373A1 (de) 1995-12-27
ATE144011T1 (de) 1996-10-15
NO953389L (no) 1995-08-29
FI954231A0 (fi) 1995-09-08
DE4307660C1 (de) 1994-08-04

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