FI944144A - Menetelmä paperimassan valkaisemiseksi - Google Patents

Menetelmä paperimassan valkaisemiseksi Download PDF

Info

Publication number
FI944144A
FI944144A FI944144A FI944144A FI944144A FI 944144 A FI944144 A FI 944144A FI 944144 A FI944144 A FI 944144A FI 944144 A FI944144 A FI 944144A FI 944144 A FI944144 A FI 944144A
Authority
FI
Finland
Prior art keywords
procedure
bleaching pulp
bleaching
pulp
Prior art date
Application number
FI944144A
Other languages
English (en)
Swedish (sv)
Other versions
FI944144A0 (fi
Inventor
Brian Greenwood
Kaj Henricson
Bjoern Svedin
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
Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of FI944144A0 publication Critical patent/FI944144A0/fi
Publication of FI944144A publication Critical patent/FI944144A/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
    • D21C9/16—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)
FI944144A 1993-09-15 1994-09-09 Menetelmä paperimassan valkaisemiseksi FI944144A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12083893A 1993-09-15 1993-09-15

Publications (2)

Publication Number Publication Date
FI944144A0 FI944144A0 (fi) 1994-09-09
FI944144A true FI944144A (fi) 1995-03-16

Family

ID=22392837

Family Applications (1)

Application Number Title Priority Date Filing Date
FI944144A FI944144A (fi) 1993-09-15 1994-09-09 Menetelmä paperimassan valkaisemiseksi

Country Status (3)

Country Link
CA (1) CA2132057A1 (fi)
FI (1) FI944144A (fi)
SE (2) SE9403073L (fi)

Also Published As

Publication number Publication date
SE9403073L (sv) 1995-03-16
CA2132057A1 (en) 1995-03-16
SE9403073D0 (sv) 1994-09-14
SE9604831L (sv) 1998-07-01
FI944144A0 (fi) 1994-09-09
SE9604831D0 (sv) 1996-12-30

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY