CA2109513A1 - Methode de production d'une pate chimiothermomecanique - Google Patents

Methode de production d'une pate chimiothermomecanique

Info

Publication number
CA2109513A1
CA2109513A1 CA002109513A CA2109513A CA2109513A1 CA 2109513 A1 CA2109513 A1 CA 2109513A1 CA 002109513 A CA002109513 A CA 002109513A CA 2109513 A CA2109513 A CA 2109513A CA 2109513 A1 CA2109513 A1 CA 2109513A1
Authority
CA
Canada
Prior art keywords
chips
sodium
pulp
impregnating
liquid
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002109513A
Other languages
English (en)
Inventor
Bo Falk
Thomas Granfeldt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet AB
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2109513A1 publication Critical patent/CA2109513A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA002109513A 1991-05-24 1992-05-22 Methode de production d'une pate chimiothermomecanique Abandoned CA2109513A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9101587-5 1991-05-24
SE9101587A SE468644B (sv) 1991-05-24 1991-05-24 Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit
PCT/SE1992/000348 WO1992020855A1 (fr) 1991-05-24 1992-05-22 Procede de fabrication de pulpe mecanicothermochimique

Publications (1)

Publication Number Publication Date
CA2109513A1 true CA2109513A1 (fr) 1992-11-25

Family

ID=20382840

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002109513A Abandoned CA2109513A1 (fr) 1991-05-24 1992-05-22 Methode de production d'une pate chimiothermomecanique

Country Status (7)

Country Link
AU (1) AU1882492A (fr)
CA (1) CA2109513A1 (fr)
FI (1) FI935205A0 (fr)
NO (1) NO934229L (fr)
NZ (1) NZ242868A (fr)
SE (1) SE468644B (fr)
WO (1) WO1992020855A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4271596A (en) * 1995-12-19 1997-07-14 Kvaerner Hymac Inc. Process for treating refiner pulp
SE525872C2 (sv) * 2002-09-06 2005-05-17 Stora Enso Ab Metod att tillverka mekanisk massa med reducerad energikonsumtion
FI121114B (fi) * 2007-05-04 2010-07-15 Kemira Oyj Ditioniitin valmistusmenetelmä
EP2348154A1 (fr) * 2010-01-22 2011-07-27 Andritz AG Procédé de fabrication de matériaux en bois
EP2924166A1 (fr) 2014-03-25 2015-09-30 Basf Se Procédé de fabrication de fibre de bois blanchie

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2615874B1 (fr) * 1987-05-25 1992-02-21 Atochem Procede de preparation de pates chimicothermomecaniques

Also Published As

Publication number Publication date
SE9101587D0 (sv) 1991-05-24
FI935205A (fi) 1993-11-23
SE468644B (sv) 1993-02-22
NO934229D0 (no) 1993-11-23
FI935205A0 (fi) 1993-11-23
AU1882492A (en) 1992-12-30
SE9101587L (sv) 1992-11-25
WO1992020855A1 (fr) 1992-11-26
NZ242868A (en) 1994-11-25
NO934229L (no) 1993-11-23

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Legal Events

Date Code Title Description
FZDE Discontinued