CL2007002906A1 - PROCESS FOR WHITENING PULP DERIVED FROM AN ALKALINE PULP PROCESS WITH A CONTENT OF HEXENURONIC ACID PRIOR TO THE FINAL WHITENING STAGE THAT INCLUDES THREE STAGES OF CHLORINE DIOXIDE WITH 40 to 60%, 30 to 55%, 4 to 20%, From CA - Google Patents

PROCESS FOR WHITENING PULP DERIVED FROM AN ALKALINE PULP PROCESS WITH A CONTENT OF HEXENURONIC ACID PRIOR TO THE FINAL WHITENING STAGE THAT INCLUDES THREE STAGES OF CHLORINE DIOXIDE WITH 40 to 60%, 30 to 55%, 4 to 20%, From CA

Info

Publication number
CL2007002906A1
CL2007002906A1 CL2007002906A CL2007002906A CL2007002906A1 CL 2007002906 A1 CL2007002906 A1 CL 2007002906A1 CL 2007002906 A CL2007002906 A CL 2007002906A CL 2007002906 A CL2007002906 A CL 2007002906A CL 2007002906 A1 CL2007002906 A1 CL 2007002906A1
Authority
CL
Chile
Prior art keywords
whitening
pulp
stages
content
chlorine dioxide
Prior art date
Application number
CL2007002906A
Other languages
Spanish (es)
Inventor
Magnus Greschik Thom Bjorklund
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=CL2007002906(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 CL2007002906A1 publication Critical patent/CL2007002906A1/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
    • D21C9/12—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
CL2007002906A 2006-10-11 2007-10-09 PROCESS FOR WHITENING PULP DERIVED FROM AN ALKALINE PULP PROCESS WITH A CONTENT OF HEXENURONIC ACID PRIOR TO THE FINAL WHITENING STAGE THAT INCLUDES THREE STAGES OF CHLORINE DIOXIDE WITH 40 to 60%, 30 to 55%, 4 to 20%, From CA CL2007002906A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CL2007002906A1 true CL2007002906A1 (en) 2008-05-02

Family

ID=37807769

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2007002906A CL2007002906A1 (en) 2006-10-11 2007-10-09 PROCESS FOR WHITENING PULP DERIVED FROM AN ALKALINE PULP PROCESS WITH A CONTENT OF HEXENURONIC ACID PRIOR TO THE FINAL WHITENING STAGE THAT INCLUDES THREE STAGES OF CHLORINE DIOXIDE WITH 40 to 60%, 30 to 55%, 4 to 20%, From CA

Country Status (12)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20105862A0 (en) 2010-08-18 2010-08-18 Bo Akademi University METHOD FOR REMOVING HEXENURURIC ACIDS
WO2015018908A1 (en) 2013-08-09 2015-02-12 Novozymes A/S Reducing content of hexenuronic acids in cellulosic pulp

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 (en) * 1998-03-06 2008-10-31 Andritz Oy Procedure for treating pulp
JP2004522008A (en) * 2001-06-06 2004-07-22 クヴアナ・パルピング・アクチボラグ Reduction of organically bound chlorine formed by chlorine dioxide bleaching
US20060201642A1 (en) * 2005-03-08 2006-09-14 Andritz Inc. Methods of treating chemical cellulose pulp

Also Published As

Publication number Publication date
EA013901B1 (en) 2010-08-30
NO20091815L (en) 2009-07-10
ES2403371T3 (en) 2013-05-17
BRPI0719893A2 (en) 2014-05-06
CA2665969A1 (en) 2008-04-17
EP2082096B1 (en) 2013-02-20
UY30634A1 (en) 2007-11-30
EA200970367A1 (en) 2009-08-28
PT2082096E (en) 2013-04-26
ZA200903205B (en) 2010-03-31
CA2665969C (en) 2016-04-12
AR063160A1 (en) 2008-12-30
WO2008044988A1 (en) 2008-04-17
EP2082096A1 (en) 2009-07-29

Similar Documents

Publication Publication Date Title
WO2007143182A3 (en) Improved process for manufacturing pulp, paper and paperboard products
WO2012080702A3 (en) Treatment
MX2009000788A (en) Improved compositions and processes for paper production.
MX2010005887A (en) Dietary fiber and method for preparing dietary fiber.
ZA201308068B (en) Precipitated calcium carbonate from pulp mill waste having an improved brightness,method for the production and use thereof
WO2007106738A3 (en) Acrylated hyaluronic acid
WO2007087320A3 (en) Papermaking processes using coagulants and optical brighteners
GB2451046B (en) Method for the production of multicomponent cellulose fibers
TW200712051A (en) Mixture of diisononyl esters of 1,2-cyclohexanedicarboxylic acid, process for their preparation and use of these mixtures
WO2011033064A3 (en) Disulfo-type fluorescent whitening agent compositions
WO2010138354A3 (en) New method and arrangement for feeding chemicals into a pulp process stream
BR112015027003A2 (en) method of providing fiber-filled weft fabrication supply, and paper or cardboard
PL2130897T3 (en) Surfactant concentrate
WO2008076267A3 (en) A process in a (d) stage bleaching of softwood pulps in a presence of mg(oh)2
EP1992220A4 (en) Plant having reduced lignin and cellulose contents without reducing glucan content, method of producing the same and utilization thereof
WO2009077161A3 (en) Method for producing fatty acid alkyl esters
EP2947203A3 (en) Use of cellulosic fibre pulp
EP4034571A4 (en) Cellulose ester compositions derived from recycled cellulose ester content syngas
WO2011156212A3 (en) Methods to degrade sludge from pulp and paper manufacturing
CL2007002906A1 (en) PROCESS FOR WHITENING PULP DERIVED FROM AN ALKALINE PULP PROCESS WITH A CONTENT OF HEXENURONIC ACID PRIOR TO THE FINAL WHITENING STAGE THAT INCLUDES THREE STAGES OF CHLORINE DIOXIDE WITH 40 to 60%, 30 to 55%, 4 to 20%, From CA
MY174158A (en) Pitch inhibitor, pitch inhibition method, and process for producing deinked pulp
PT2431519E (en) Fluorescent whitening agent compositions
WO2012059650A3 (en) Process for manufacturing paper and board
BR112014031811A2 (en) method for controlling deposition of organic fiber contaminants in papermaking and papermaking systems
PL1979533T3 (en) Process for the bleaching of mechanical paper pulp