FI20105862A0 - METHOD FOR REMOVING HEXENURURIC ACIDS - Google Patents

METHOD FOR REMOVING HEXENURURIC ACIDS

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
Finnish (fi)
Swedish (sv)
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/en
Publication of FI20105862A0 publication Critical patent/FI20105862A0/en
Priority to PCT/FI2011/050721 priority patent/WO2012022840A1/en
Priority to EP11770836.2A priority patent/EP2606175B1/en
Priority to BR112013003758-0A priority patent/BR112013003758B1/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
FI20105862A 2010-08-18 2010-08-18 METHOD FOR REMOVING HEXENURURIC ACIDS FI20105862A0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20105862A FI20105862A0 (en) 2010-08-18 2010-08-18 METHOD FOR REMOVING HEXENURURIC ACIDS
PCT/FI2011/050721 WO2012022840A1 (en) 2010-08-18 2011-08-18 Method for removing hexenuronic acids
EP11770836.2A EP2606175B1 (en) 2010-08-18 2011-08-18 Method for removing hexenuronic acids
BR112013003758-0A BR112013003758B1 (en) 2010-08-18 2011-08-18 method for removing hexenuronic acids from the pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20105862A FI20105862A0 (en) 2010-08-18 2010-08-18 METHOD FOR REMOVING HEXENURURIC ACIDS

Publications (1)

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

Family

ID=42669367

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20105862A FI20105862A0 (en) 2010-08-18 2010-08-18 METHOD FOR REMOVING HEXENURURIC ACIDS

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105431586B (en) * 2013-08-09 2018-05-18 诺维信公司 Reduce the hexenuronic acid content in cellulose pulp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0571433B1 (en) * 1991-02-12 1995-04-19 Pulp and Paper Research Institute of Canada Bleaching of lignocellulosic material with activated oxygen
US6776876B1 (en) 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
DE102005005016A1 (en) * 2005-02-03 2006-08-10 Basf Ag Polymers hydrophobic aminonitrile quats for bleach activation
EP1954871B1 (en) * 2005-12-02 2011-06-29 Akzo Nobel N.V. Process of producing high-yield pulp
PT2082096E (en) 2006-10-11 2013-04-26 Akzo Nobel Nv Bleaching of pulp

Also Published As

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

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