FI954231A0 - Förfarande för framställning av kemomekaniska och/eller kemotermomekaniska trämassor - Google Patents

Förfarande för framställning av kemomekaniska och/eller kemotermomekaniska trämassor

Info

Publication number
FI954231A0
FI954231A0 FI954231A FI954231A FI954231A0 FI 954231 A0 FI954231 A0 FI 954231A0 FI 954231 A FI954231 A FI 954231A FI 954231 A FI954231 A FI 954231A FI 954231 A0 FI954231 A0 FI 954231A0
Authority
FI
Finland
Prior art keywords
raw materials
chemomechanical
wood
preparation
chemothermomechanical
Prior art date
Application number
FI954231A
Other languages
English (en)
Finnish (fi)
Other versions
FI954231A (sv
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/sv
Publication of FI954231A publication Critical patent/FI954231A/sv

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
    • 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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Processing Of Solid Wastes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
FI954231A 1993-03-11 1995-09-08 Förfarande för framställning av kemomekaniska och/eller kemotermomekaniska trämassor FI954231A (sv)

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 true FI954231A0 (sv) 1995-09-08
FI954231A FI954231A (sv) 1995-09-08

Family

ID=6482482

Family Applications (1)

Application Number Title Priority Date Filing Date
FI954231A FI954231A (sv) 1993-03-11 1995-09-08 Förfarande för framställning av kemomekaniska och/eller kemotermomekaniska trämassor

Country Status (10)

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

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
GB1064567A (en) * 1963-05-21 1967-04-05 Depibrator Aktiebolag Method in the manufacture of chemo-mechanical pulps by heating and defibrating in a vapour atmosphere under pressure and at increased temperature of wood chips impregnated with sulphite solution
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
CA2157886A1 (en) 1994-09-15
NO953389D0 (no) 1995-08-29
WO1994020670A1 (de) 1994-09-15
DK0688373T3 (da) 1997-03-24
ES2095755T3 (es) 1997-02-16
EP0688373B1 (de) 1996-10-09
DE4307660C1 (de) 1994-08-04
EP0688373A1 (de) 1995-12-27
JPH08507333A (ja) 1996-08-06
DE59400830D1 (de) 1996-11-14
FI954231A (sv) 1995-09-08
NO953389L (no) 1995-08-29
ATE144011T1 (de) 1996-10-15

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