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FI20060226A0 - Process for the treatment of chemical pulp - Google Patents

Process for the treatment of chemical pulp

Info

Publication number
FI20060226A0
FI20060226A0 FI20060226A FI20060226A FI20060226A0 FI 20060226 A0 FI20060226 A0 FI 20060226A0 FI 20060226 A FI20060226 A FI 20060226A FI 20060226 A FI20060226 A FI 20060226A FI 20060226 A0 FI20060226 A0 FI 20060226A0
Authority
FI
Finland
Prior art keywords
treatment
chemical pulp
pulp
chemical
Prior art date
Application number
FI20060226A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20060226L (en
FI20060226A7 (en
Inventor
Nam Hee Shin
Pamela O'leary
Olavi Pikka
Original Assignee
Andritz Inc
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 Andritz Inc filed Critical Andritz Inc
Publication of FI20060226A0 publication Critical patent/FI20060226A0/en
Publication of FI20060226L publication Critical patent/FI20060226L/en
Publication of FI20060226A7 publication Critical patent/FI20060226A7/en

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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
FI20060226A 2005-03-08 2006-03-08 Method for processing chemical pulp FI20060226A7 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65907705P 2005-03-08 2005-03-08
US33985306P 2006-01-26 2006-01-26

Publications (3)

Publication Number Publication Date
FI20060226A0 true FI20060226A0 (en) 2006-03-08
FI20060226L FI20060226L (en) 2006-09-09
FI20060226A7 FI20060226A7 (en) 2006-09-09

Family

ID=95652490

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20060226A FI20060226A7 (en) 2005-03-08 2006-03-08 Method for processing chemical pulp

Country Status (1)

Country Link
FI (1) FI20060226A7 (en)

Also Published As

Publication number Publication date
FI20060226L (en) 2006-09-09
FI20060226A7 (en) 2006-09-09

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