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FI950200L - Method for bleaching pulp - Google Patents

Method for bleaching pulp Download PDF

Info

Publication number
FI950200L
FI950200L FI950200A FI950200A FI950200L FI 950200 L FI950200 L FI 950200L FI 950200 A FI950200 A FI 950200A FI 950200 A FI950200 A FI 950200A FI 950200 L FI950200 L FI 950200L
Authority
FI
Finland
Prior art keywords
bleaching pulp
bleaching
pulp
Prior art date
Application number
FI950200A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI950200A0 (en
Inventor
Kaj Henricson
Olavi Pikka
Original Assignee
Ahlstroem Oy
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
Priority claimed from FI941229A external-priority patent/FI98839B/en
Priority claimed from FI944348A external-priority patent/FI944348L/en
Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI950200A priority Critical patent/FI950200L/en
Publication of FI950200A0 publication Critical patent/FI950200A0/en
Priority to CA002144677A priority patent/CA2144677A1/en
Priority to SE9500927A priority patent/SE9500927L/en
Publication of FI950200L publication Critical patent/FI950200L/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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI950200A 1994-03-16 1995-01-17 Method for bleaching pulp FI950200L (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI950200A FI950200L (en) 1994-03-16 1995-01-17 Method for bleaching pulp
CA002144677A CA2144677A1 (en) 1994-03-16 1995-03-15 Method of tcf or ecf bleaching of cellulose pulp
SE9500927A SE9500927L (en) 1994-03-16 1995-03-16 Method for tcf or efc bleaching of pulp

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI941229A FI98839B (en) 1994-03-16 1994-03-16 Pulp bleaching process
FI944348A FI944348L (en) 1994-09-19 1994-09-19 Method for bleaching kraft pulp
FI950200A FI950200L (en) 1994-03-16 1995-01-17 Method for bleaching pulp

Publications (2)

Publication Number Publication Date
FI950200A0 FI950200A0 (en) 1995-01-17
FI950200L true FI950200L (en) 1995-09-17

Family

ID=27241603

Family Applications (1)

Application Number Title Priority Date Filing Date
FI950200A FI950200L (en) 1994-03-16 1995-01-17 Method for bleaching pulp

Country Status (3)

Country Link
CA (1) CA2144677A1 (en)
FI (1) FI950200L (en)
SE (1) SE9500927L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE538752C2 (en) * 2014-11-21 2016-11-08 Innventia Ab Process for the production of a treated pulp, treated pulp, and textile fibres produced from the treated pulp

Also Published As

Publication number Publication date
SE9500927A0 (en) 1995-09-17
SE9500927D0 (en) 1995-03-16
SE9500927L (en) 1995-09-17
CA2144677A1 (en) 1995-09-17
FI950200A0 (en) 1995-01-17

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY