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FI893830A0 - Foerfarande foer styrning av syrgas -alkali blekning. - Google Patents

Foerfarande foer styrning av syrgas -alkali blekning.

Info

Publication number
FI893830A0
FI893830A0 FI893830A FI893830A FI893830A0 FI 893830 A0 FI893830 A0 FI 893830A0 FI 893830 A FI893830 A FI 893830A FI 893830 A FI893830 A FI 893830A FI 893830 A0 FI893830 A0 FI 893830A0
Authority
FI
Finland
Prior art keywords
syrgas
blekning
alkali
foerfarande foer
foer styrning
Prior art date
Application number
FI893830A
Other languages
English (en)
Other versions
FI893830A (fi
Inventor
Raimo Alen
Leena Paavilainen
Eero Sjoestroem
Olavi Sundstroem
Original Assignee
Kajaani Electronics
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 Kajaani Electronics filed Critical Kajaani Electronics
Priority to FI893830A priority Critical patent/FI893830A/fi
Publication of FI893830A0 publication Critical patent/FI893830A0/fi
Priority to PCT/FI1991/000044 priority patent/WO1992013992A1/en
Publication of FI893830A publication Critical patent/FI893830A/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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1052—Controlling the 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI893830A 1989-08-14 1989-08-14 Foerfarande foer styrning av syrgas -alkali blekning. FI893830A (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI893830A FI893830A (fi) 1989-08-14 1989-08-14 Foerfarande foer styrning av syrgas -alkali blekning.
PCT/FI1991/000044 WO1992013992A1 (en) 1989-08-14 1991-02-12 Procedure for controlling oxygen-alkali bleaching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI893830A FI893830A (fi) 1989-08-14 1989-08-14 Foerfarande foer styrning av syrgas -alkali blekning.

Publications (2)

Publication Number Publication Date
FI893830A0 true FI893830A0 (fi) 1989-08-14
FI893830A FI893830A (fi) 1991-02-15

Family

ID=8528844

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893830A FI893830A (fi) 1989-08-14 1989-08-14 Foerfarande foer styrning av syrgas -alkali blekning.

Country Status (2)

Country Link
FI (1) FI893830A (fi)
WO (1) WO1992013992A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6004958A (en) * 1997-02-05 1999-12-21 Fox Chase Cancer Center Compounds and methods for therapeutic intervention in preventing diabetic complications and procedures for assessing a diabetic's risk of developing complications and determining the efficacy of therapeutic intervention

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI71584C (fi) * 1985-01-17 1987-01-19 Kajaani Electronics Foerfarande foer styrning av alkaliska cellulosakok.
FI80731C (fi) * 1988-08-17 1990-07-10 Kajaani Electronics Foerfarande foer styrning av alkalisk cellulosakok.

Also Published As

Publication number Publication date
WO1992013992A1 (en) 1992-08-20
FI893830A (fi) 1991-02-15

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: KAJAANI ELEKTRONIIKKA OY