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FI972881L - Defibreringsförfarnade - Google Patents

Defibreringsförfarnade Download PDF

Info

Publication number
FI972881L
FI972881L FI972881A FI972881A FI972881L FI 972881 L FI972881 L FI 972881L FI 972881 A FI972881 A FI 972881A FI 972881 A FI972881 A FI 972881A FI 972881 L FI972881 L FI 972881L
Authority
FI
Finland
Prior art keywords
fiberization method
fiberization
Prior art date
Application number
FI972881A
Other languages
English (en)
Finnish (fi)
Other versions
FI972881A0 (sv
Inventor
Romuald S Krzywanski
Suezone Chow
Original Assignee
Canadian Forest Prod
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 Canadian Forest Prod filed Critical Canadian Forest Prod
Publication of FI972881A0 publication Critical patent/FI972881A0/sv
Publication of FI972881L publication Critical patent/FI972881L/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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI972881A 1996-07-08 1997-07-07 Defibreringsförfarnade FI972881L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67670496A 1996-07-08 1996-07-08

Publications (2)

Publication Number Publication Date
FI972881A0 FI972881A0 (sv) 1997-07-07
FI972881L true FI972881L (sv) 1998-01-09

Family

ID=24715635

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972881A FI972881L (sv) 1996-07-08 1997-07-07 Defibreringsförfarnade

Country Status (5)

Country Link
JP (1) JPH10121393A (sv)
CA (1) CA2189724A1 (sv)
DE (1) DE19729155A1 (sv)
FI (1) FI972881L (sv)
SE (1) SE9702583L (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7351764B2 (en) * 2004-03-31 2008-04-01 Nalco Company Methods to enhance brightness of pulp and optimize use of bleaching chemicals
US20070131364A1 (en) * 2005-12-14 2007-06-14 University Of Maine Process for treating a cellulose-lignin pulp
JP4942415B2 (ja) * 2006-07-28 2012-05-30 ハイモ株式会社 抄紙方法
GB0721587D0 (en) * 2007-11-02 2007-12-12 Innospec Ltd Process for bleaching pulp
BR102014016692A2 (pt) * 2014-07-04 2016-03-29 Univ Estadual Paulista Julio D processo de branqueamento de celulose e de produção de derivados de celulose
FR3062138B1 (fr) * 2017-01-23 2019-06-07 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses Procede de blanchiment d'une pate a papier

Also Published As

Publication number Publication date
CA2189724A1 (en) 1998-01-09
FI972881A0 (sv) 1997-07-07
JPH10121393A (ja) 1998-05-12
SE9702583L (sv) 1998-01-09
DE19729155A1 (de) 1998-01-15
SE9702583D0 (sv) 1997-07-04

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