FI20105862A0 - Förfarande för avlägsning av hexenuronsyror - Google Patents

Förfarande för avlägsning av hexenuronsyror

Info

Publication number
FI20105862A0
FI20105862A0 FI20105862A FI20105862A FI20105862A0 FI 20105862 A0 FI20105862 A0 FI 20105862A0 FI 20105862 A FI20105862 A FI 20105862A FI 20105862 A FI20105862 A FI 20105862A FI 20105862 A0 FI20105862 A0 FI 20105862A0
Authority
FI
Finland
Prior art keywords
hexenururic
acids
removing hexenururic
hexenururic acids
Prior art date
Application number
FI20105862A
Other languages
English (en)
Finnish (fi)
Inventor
Pedro Fardim
Malin Ekroos
Original Assignee
Bo Akademi University
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 Bo Akademi University filed Critical Bo Akademi University
Priority to FI20105862A priority Critical patent/FI20105862A0/sv
Publication of FI20105862A0 publication Critical patent/FI20105862A0/sv
Priority to BR112013003758-0A priority patent/BR112013003758B1/pt
Priority to EP11770836.2A priority patent/EP2606175B1/en
Priority to PCT/FI2011/050721 priority patent/WO2012022840A1/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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • 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
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Saccharide Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FI20105862A 2010-08-18 2010-08-18 Förfarande för avlägsning av hexenuronsyror FI20105862A0 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20105862A FI20105862A0 (sv) 2010-08-18 2010-08-18 Förfarande för avlägsning av hexenuronsyror
BR112013003758-0A BR112013003758B1 (pt) 2010-08-18 2011-08-18 método para a remoção de ácidos hexenurônicos da polpa
EP11770836.2A EP2606175B1 (en) 2010-08-18 2011-08-18 Method for removing hexenuronic acids
PCT/FI2011/050721 WO2012022840A1 (en) 2010-08-18 2011-08-18 Method for removing hexenuronic acids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20105862A FI20105862A0 (sv) 2010-08-18 2010-08-18 Förfarande för avlägsning av hexenuronsyror

Publications (1)

Publication Number Publication Date
FI20105862A0 true FI20105862A0 (sv) 2010-08-18

Family

ID=42669367

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20105862A FI20105862A0 (sv) 2010-08-18 2010-08-18 Förfarande för avlägsning av hexenuronsyror

Country Status (4)

Country Link
EP (1) EP2606175B1 (sv)
BR (1) BR112013003758B1 (sv)
FI (1) FI20105862A0 (sv)
WO (1) WO2012022840A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015018908A1 (en) * 2013-08-09 2015-02-12 Novozymes A/S Reducing content of hexenuronic acids in cellulosic pulp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69202149T2 (de) * 1991-02-12 1995-11-09 Pulp Paper Res Inst Bleichen von lignocellulosischen Materialien mit aktiviertem Sauerstoff.
US6776876B1 (en) 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
DE102005005016A1 (de) * 2005-02-03 2006-08-10 Basf Ag Polymere hydrophobe Aminonitrilquats zur Bleichaktivierung
CA2631545C (en) * 2005-12-02 2014-08-19 Akzo Nobel N.V. Process of producing high-yield pulp
EA013901B1 (ru) 2006-10-11 2010-08-30 Акцо Нобель Н.В. Отбеливание целлюлозы

Also Published As

Publication number Publication date
BR112013003758A2 (pt) 2016-05-31
BR112013003758B1 (pt) 2020-07-21
EP2606175A1 (en) 2013-06-26
EP2606175B1 (en) 2016-04-20
WO2012022840A1 (en) 2012-02-23

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