UY30634A1 - Blanqueo de pulpa - Google Patents

Blanqueo de pulpa

Info

Publication number
UY30634A1
UY30634A1 UY30634A UY30634A UY30634A1 UY 30634 A1 UY30634 A1 UY 30634A1 UY 30634 A UY30634 A UY 30634A UY 30634 A UY30634 A UY 30634A UY 30634 A1 UY30634 A1 UY 30634A1
Authority
UY
Uruguay
Prior art keywords
pulp
chlorine dioxide
final
stage
whitening
Prior art date
Application number
UY30634A
Other languages
English (en)
Spanish (es)
Inventor
Faegersten Hakan
Greschik Thomas Christopher
Bjirklund Magnus
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=UY30634(A1) "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 UY30634A1 publication Critical patent/UY30634A1/es

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)
UY30634A 2006-10-11 2007-10-08 Blanqueo de pulpa UY30634A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06122119 2006-10-11

Publications (1)

Publication Number Publication Date
UY30634A1 true UY30634A1 (es) 2007-11-30

Family

ID=37807769

Family Applications (1)

Application Number Title Priority Date Filing Date
UY30634A UY30634A1 (es) 2006-10-11 2007-10-08 Blanqueo de pulpa

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
NO20091815L (no) 2009-07-10
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
SE0402037L (sv) Xylanasbehandling av kemisk massa
MY177088A (en) Improved compositions and processes for paper production
MX338062B (es) Composiciones de cuidado de lavanderia con tinte de tiazolio.
MX2009012088A (es) Metodos para controlar contaminantes organicos en fibras.
WO2009088635A3 (fr) Traitement enzymatique de pâte pour la fabrication de fibre cellulosique à haute ténacité
WO2006121634A3 (fr) Nouveaux produits et procedes issus d'une bioraffinerie de produits forestiers
MX2011008656A (es) Metodos de decoloracion-blanqueo enzimatico de textiles.
WO2006060414A3 (fr) Compositions et methodes de traitement de l'autisme
HUP0204334A2 (en) Treatment of pulp to produce microcrystalline cellulose
NZ601305A (en) Oilseed protein concentrates and isolates, and processes for the production thereof
TW200744988A (en) A process for the production of nitrobenzene
EG26062A (en) Concentrated liquid of surfactant
CA2520236A1 (fr) Traitement a bas ph de la pate dans un processus de blanchiment pour l'obtention de pate ayant un bas degre de polymerisation (dp) et un faible indice de cuivre, aux fins d'utilisation dans la fabrication de fibres lyocell
UY30634A1 (es) Blanqueo de pulpa
AR051806A1 (es) Manoproteina totalmente soluble en vino y su aplicacion en la estabilizacion del vino
UA94903C2 (ru) Способы изготовления бумажного продукта с улучшенной белизной и повышенной устойчивостью к пожелтению под действием тепла
BR0305987A (pt) Método de preparação de uma polpa
CN101306860B (zh) 一种降低废水有机氯含量的二氧化氯漂白方法
SE0302088L (sv) Processer för xylanasbehandling av blekning
BRPI0600771A (pt) método de tratamento quìmico de polpa de celulose
CN102191708A (zh) 一种乙二醛在马尾松硫酸盐浆无元素氯多段漂白的方法
CA2520226A1 (fr) Traitement a ph eleve de la pate dans un processus de blanchiment pour l'obtention de pate ayant un bas degre de polymerisation (dp) et un faible indice de cuivre, aux fins d'utilisation dans la fabrication de fibres lyocell
CL2007002608A1 (es) Proceso para la desresinacion de una pulpa que comprende someter una pulpa acuosa a una etapa de proceso alcalino, a la accion de iones carbonatos para solubilizar los componentes extraibles de la madera y desaguar la suspension sin reducir el ph baj
EP2128114A3 (fr) Procédure pour obtenir un produit de fertilisation à partir de déchets de production de bière
AR047413A1 (es) Proceso para el blanqueado enzimatico de productos alimenticios

Legal Events

Date Code Title Description
109 Application deemed to be withdrawn

Effective date: 20170727

109 Application deemed to be withdrawn

Effective date: 20191011