FI950200A0 - Menetelmä massan valkaisemiseksi - Google Patents

Menetelmä massan valkaisemiseksi

Info

Publication number
FI950200A0
FI950200A0 FI950200A FI950200A FI950200A0 FI 950200 A0 FI950200 A0 FI 950200A0 FI 950200 A FI950200 A FI 950200A FI 950200 A FI950200 A FI 950200A FI 950200 A0 FI950200 A0 FI 950200A0
Authority
FI
Finland
Prior art keywords
bleaching pulp
bleaching
pulp
Prior art date
Application number
FI950200A
Other languages
English (en)
Swedish (sv)
Other versions
FI950200A (fi
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/fi
Priority claimed from FI944348A external-priority patent/FI944348A/fi
Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI950200A priority Critical patent/FI950200A/fi
Publication of FI950200A0 publication Critical patent/FI950200A0/fi
Priority to CA002144677A priority patent/CA2144677A1/en
Priority to SE9500927A priority patent/SE9500927A0/sv
Publication of FI950200A publication Critical patent/FI950200A/fi

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 Menetelmä massan valkaisemiseksi FI950200A (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI950200A FI950200A (fi) 1994-03-16 1995-01-17 Menetelmä massan valkaisemiseksi
CA002144677A CA2144677A1 (en) 1994-03-16 1995-03-15 Method of tcf or ecf bleaching of cellulose pulp
SE9500927A SE9500927A0 (sv) 1994-03-16 1995-03-16 Förfarande för tcf- eller efc-blekning av massa

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI941229A FI98839B (fi) 1994-03-16 1994-03-16 Menetelmä massan valkaisemiseksi
FI944348A FI944348A (fi) 1994-09-19 1994-09-19 Menetelmä kraft-massan valkaisemiseksi
FI950200A FI950200A (fi) 1994-03-16 1995-01-17 Menetelmä massan valkaisemiseksi

Publications (2)

Publication Number Publication Date
FI950200A0 true FI950200A0 (fi) 1995-01-17
FI950200A FI950200A (fi) 1995-09-17

Family

ID=27241603

Family Applications (1)

Application Number Title Priority Date Filing Date
FI950200A FI950200A (fi) 1994-03-16 1995-01-17 Menetelmä massan valkaisemiseksi

Country Status (3)

Country Link
CA (1) CA2144677A1 (fi)
FI (1) FI950200A (fi)
SE (1) SE9500927A0 (fi)

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 fibers produced from the treated pulp

Also Published As

Publication number Publication date
SE9500927L (sv) 1995-09-17
CA2144677A1 (en) 1995-09-17
SE9500927A0 (sv) 1995-09-17
SE9500927D0 (sv) 1995-03-16
FI950200A (fi) 1995-09-17

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY