SE9600575L - Förfarande för blekning av massa - Google Patents

Förfarande för blekning av massa

Info

Publication number
SE9600575L
SE9600575L SE9600575A SE9600575A SE9600575L SE 9600575 L SE9600575 L SE 9600575L SE 9600575 A SE9600575 A SE 9600575A SE 9600575 A SE9600575 A SE 9600575A SE 9600575 L SE9600575 L SE 9600575L
Authority
SE
Sweden
Prior art keywords
pulp
vessel
peroxide
bleaching
discharged
Prior art date
Application number
SE9600575A
Other languages
English (en)
Swedish (sv)
Other versions
SE9600575D0 (sv
Inventor
Markus Alenius
Kenneth Winberg
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 SE9600575D0 publication Critical patent/SE9600575D0/xx
Publication of SE9600575L publication Critical patent/SE9600575L/

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)
SE9600575A 1995-02-21 1996-02-16 Förfarande för blekning av massa SE9600575L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI950785A FI103818B1 (fi) 1995-02-21 1995-02-21 Menetelmä massan valkaisemiseksi

Publications (2)

Publication Number Publication Date
SE9600575D0 SE9600575D0 (sv) 1996-02-16
SE9600575L true SE9600575L (sv) 1996-08-22

Family

ID=8542902

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9600575A SE9600575L (sv) 1995-02-21 1996-02-16 Förfarande för blekning av massa

Country Status (3)

Country Link
US (1) US5766414A ( )
FI (1) FI103818B1 ( )
SE (1) SE9600575L ( )

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
WO2009050882A1 (ja) * 2007-10-17 2009-04-23 Nippon Steel Chemical Co., Ltd. 可溶化リグニン、糖類原料および単糖類原料の製造方法ならびに可溶化リグニン

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA924351B (en) * 1991-06-27 1993-03-31 Ahlstroem Oy Ozone bleaching process
FI93232C (fi) * 1993-03-03 1995-03-10 Ahlstroem Oy Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
US6605181B1 (en) * 1993-10-01 2003-08-12 Kvaerner Pulping Aktiebolag Peroxide bleach sequence including an acidic bleach stage and including a wash stage

Also Published As

Publication number Publication date
US5766414A (en) 1998-06-16
FI950785A (fi) 1996-08-22
FI950785A0 (fi) 1995-02-21
SE9600575D0 (sv) 1996-02-16
FI103818B (fi) 1999-09-30
FI103818B1 (fi) 1999-09-30

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Legal Events

Date Code Title Description
NAV Patent application has lapsed