NO20091815L - Bleking av tremasse - Google Patents

Bleking av tremasse

Info

Publication number
NO20091815L
NO20091815L NO20091815A NO20091815A NO20091815L NO 20091815 L NO20091815 L NO 20091815L NO 20091815 A NO20091815 A NO 20091815A NO 20091815 A NO20091815 A NO 20091815A NO 20091815 L NO20091815 L NO 20091815L
Authority
NO
Norway
Prior art keywords
chlorine dioxide
bleaching
wood pulp
relates
cellulose pulp
Prior art date
Application number
NO20091815A
Other languages
English (en)
Norwegian (no)
Inventor
Thomas Christopher Greschik
Magnus Bjorklund
Hakan Fagersten
Original Assignee
Akzo Nobel Nv
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37807769&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO20091815(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Akzo Nobel Nv filed Critical Akzo Nobel Nv
Publication of NO20091815L publication Critical patent/NO20091815L/no

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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO20091815A 2006-10-11 2009-05-08 Bleking av tremasse NO20091815L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06122119 2006-10-11
PCT/SE2007/050630 WO2008044988A1 (fr) 2006-10-11 2007-09-06 Blanchiment de la pâte à papier

Publications (1)

Publication Number Publication Date
NO20091815L true NO20091815L (no) 2009-07-10

Family

ID=37807769

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20091815A NO20091815L (no) 2006-10-11 2009-05-08 Bleking av tremasse

Country Status (12)

Country Link
EP (1) EP2082096B1 (fr)
AR (1) AR063160A1 (fr)
BR (1) BRPI0719893A2 (fr)
CA (1) CA2665969C (fr)
CL (1) CL2007002906A1 (fr)
EA (1) EA013901B1 (fr)
ES (1) ES2403371T3 (fr)
NO (1) NO20091815L (fr)
PT (1) PT2082096E (fr)
UY (1) UY30634A1 (fr)
WO (1) WO2008044988A1 (fr)
ZA (1) ZA200903205B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20105862A0 (fi) 2010-08-18 2010-08-18 Bo Akademi University Menetelmä hekseeniuronihappojen poistamiseksi
CN105431586B (zh) 2013-08-09 2018-05-18 诺维信公司 降低纤维素纸浆中的己烯糖醛酸含量

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501374A (en) * 1968-12-26 1970-03-17 Hooker Chemical Corp Sequential bleaching of kraft pulp with chlorine dioxide and chlorine
US5268075A (en) * 1989-10-19 1993-12-07 North Carolina State University High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process
US5030324A (en) * 1990-01-29 1991-07-09 Champion International Corporation Sequential bleaching procedure using chlorine and chlorine dioxide in a first chlorination stage of a multistage bleaching process
US6776876B1 (en) * 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
FI119383B (fi) * 1998-03-06 2008-10-31 Andritz Oy Menetelmä massan käsittelemiseksi
JP2004522008A (ja) * 2001-06-06 2004-07-22 クヴアナ・パルピング・アクチボラグ 二酸化塩素漂白で形成された有機結合塩素の低減
US20060201642A1 (en) * 2005-03-08 2006-09-14 Andritz Inc. Methods of treating chemical cellulose pulp

Also Published As

Publication number Publication date
AR063160A1 (es) 2008-12-30
PT2082096E (pt) 2013-04-26
ES2403371T3 (es) 2013-05-17
BRPI0719893A2 (pt) 2014-05-06
UY30634A1 (es) 2007-11-30
ZA200903205B (en) 2010-03-31
WO2008044988A1 (fr) 2008-04-17
CL2007002906A1 (es) 2008-05-02
EP2082096A1 (fr) 2009-07-29
CA2665969C (fr) 2016-04-12
EA013901B1 (ru) 2010-08-30
CA2665969A1 (fr) 2008-04-17
EP2082096B1 (fr) 2013-02-20
EA200970367A1 (ru) 2009-08-28

Similar Documents

Publication Publication Date Title
RU2016122608A (ru) Модифицированная целлюлоза из химического крафт-волокна и способы его изготовления и использования
WO2012080702A3 (fr) Traitement
WO2009048525A3 (fr) Utilisation de l'oxygène singulet pour améliorer la sélectivité dans la délignification et le blanchiment à l'oxygène de la pâte de lignocellulose
RU2013156863A (ru) Крафт-волокно древесины хвойных пород с улучшенной белизной и яркостью и способы его производства и применения
NO20082435L (no) Fremgangsmate for fremstilling av hoyutbyttemasse
NO20065354L (no) Fremgangsmate for framstilling av tremasse
WO2007008689A3 (fr) Methode de traitement de materiaux lignocellulosiques
NO20083436L (no) Kjemisk papirmassebehandling, sammensetning og metoder
SE0104024L (sv) Avlägsnande av oorganiska grundämnen från träflis före kokning till massa
NO20092617L (no) Fremgangsmate for fremstilling av et stabilt oksiderende biocid
NO20091815L (no) Bleking av tremasse
PH12021550848A1 (en) Extraction of valuable components from bark
NO20070657L (no) Anvendelse av syklodekstrin for reduksjon av gulning av fibermasse og papir
TW200628664A (en) Method of treating cellulose fibres
CN105040501A (zh) 一种芦苇浆的全无氯漂白方法
RU2009126544A (ru) Способ отбеливания целлюлозной бумаги путем конечной обработки озоном при высокой температуре
DE60039788D1 (de) Verfahren zur herstellung von zellstoff und von kalium-enthaltendem dünger
JP2014037482A (ja) 溶解パルプ
JPS6146595B2 (fr)
JP2010265564A (ja) Ｅｃｆ漂白パルプの製造方法
RU2008143244A (ru) Способ отбелки химической целлюлозы
NO20076139L (no) Fremgangsmate for a fremstille blekeaktivatorer
RU2413046C1 (ru) Способ отбелки сульфатной целлюлозы
WO2009117818A4 (fr) Procédé de blanchiment au dioxyde de chlore de pâtes chimiques utilisant de l'hydroxyde de magnésium ou de l'oxyde de magnésium
JP2014034744A (ja) 溶解クラフトパルプの製造方法

Legal Events

Date Code Title Description
CREP Change of representative

Representative=s name: OSLO PATENTKONTOR AS, POSTBOKS 7007 MAJORSTUA, 030

FC2A Withdrawal, rejection or dismissal of laid open patent application