CA2067296C - Process for bleaching of lignocellulose-containing pulp - Google Patents

Process for bleaching of lignocellulose-containing pulp

Info

Publication number
CA2067296C
CA2067296C CA002067296A CA2067296A CA2067296C CA 2067296 C CA2067296 C CA 2067296C CA 002067296 A CA002067296 A CA 002067296A CA 2067296 A CA2067296 A CA 2067296A CA 2067296 C CA2067296 C CA 2067296C
Authority
CA
Canada
Prior art keywords
pulp
process according
magnesium
bleaching
compound
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA002067296A
Other languages
English (en)
French (fr)
Other versions
CA2067296A1 (en
Inventor
Lennart Andersson
Jiri Basta
Lillemor Holtinger
Jan Hook
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nouryon Pulp and Performance Chemicals AB
Original Assignee
Eka Nobel AB
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=20382601&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2067296(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eka Nobel AB filed Critical Eka Nobel AB
Priority to CA002139246A priority Critical patent/CA2139246A1/en
Publication of CA2067296A1 publication Critical patent/CA2067296A1/en
Application granted granted Critical
Publication of CA2067296C publication Critical patent/CA2067296C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Stringed Musical Instruments (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Noodles (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Materials For Medical Uses (AREA)
CA002067296A 1991-04-30 1992-04-27 Process for bleaching of lignocellulose-containing pulp Expired - Fee Related CA2067296C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002139246A CA2139246A1 (en) 1991-04-30 1992-04-27 Process for bleaching of lignocellulose-containing pulp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9101301A SE470065C (sv) 1991-04-30 1991-04-30 Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning
SE9101301-1 1991-04-30

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002139246A Division CA2139246A1 (en) 1991-04-30 1992-04-27 Process for bleaching of lignocellulose-containing pulp

Publications (2)

Publication Number Publication Date
CA2067296A1 CA2067296A1 (en) 1992-10-31
CA2067296C true CA2067296C (en) 1997-03-04

Family

ID=20382601

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002067296A Expired - Fee Related CA2067296C (en) 1991-04-30 1992-04-27 Process for bleaching of lignocellulose-containing pulp

Country Status (14)

Country Link
EP (2) EP0511695B2 (de)
JP (1) JP2592747B2 (de)
AT (2) ATE173518T1 (de)
BR (1) BR9201554A (de)
CA (1) CA2067296C (de)
DE (2) DE69227640T2 (de)
ES (1) ES2091395T3 (de)
FI (1) FI111964B (de)
MX (1) MX9201966A (de)
NO (1) NO180495C (de)
NZ (1) NZ242465A (de)
RU (1) RU2039141C1 (de)
SE (1) SE470065C (de)
ZA (1) ZA923073B (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI89516B (fi) 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
US6398908B1 (en) 1991-04-30 2002-06-04 Eka Nobel Ab Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
SE500353C2 (sv) * 1992-10-26 1994-06-06 Sca Wifsta Oestrand Ab Peroxidblekning av sulfatmassa med tillsats av magnesium före blekningen
SE512137C2 (sv) * 1992-10-29 2000-01-31 Eka Chemicals Ab Förfarande för blekning av lignocellulosahaltig massa
SE9203366L (sv) * 1992-11-11 1994-05-12 Mo Och Domsjoe Ab Förfarande vid delignifiering och/eller blekning av cellulosamassa
US6007678A (en) * 1992-11-27 1999-12-28 Eka Nobel Ab Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof
EP0622491B2 (de) * 1993-04-20 2002-07-17 Eka Chemicals AB Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff
SE9301960L (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
US6605181B1 (en) * 1993-10-01 2003-08-12 Kvaerner Pulping Aktiebolag Peroxide bleach sequence including an acidic bleach stage and including a wash stage
BE1007757A3 (fr) * 1993-11-10 1995-10-17 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
US6776876B1 (en) 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
FI102301B (fi) * 1994-10-13 1998-11-13 Andritz Oy Menetelmä selluloosamassojen käsittelemiseksi
DE19516151A1 (de) * 1995-05-03 1996-11-07 Sven Siegle Verfahren zur Herstellung einer Pulpe aus zellulosehaltigem Material, die Pulpe selbst und deren Verwendung
FI105701B (fi) 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan käsittelemiseksi
JPH108092A (ja) * 1996-06-21 1998-01-13 Mitsubishi Paper Mills Ltd 過酸化物漂白用安定化剤及びそれを用いた繊維系物質の漂白方法
BE1010679A3 (fr) * 1996-10-11 1998-11-03 Solvay Interox Procede de delignification et de blanchiment de pate a papier chimique.
ID23571A (id) * 1997-08-25 2000-05-04 Praxair Technology Inc Metoda penerapan ozon dalam pemutihan ecf
JP2002266272A (ja) * 2001-03-12 2002-09-18 Nippon Paper Industries Co Ltd セルロース質繊維材料パルプの漂白方法
US6743332B2 (en) * 2001-05-16 2004-06-01 Weyerhaeuser Company High temperature peroxide bleaching of mechanical pulps
KR100547491B1 (ko) * 2005-04-27 2006-01-31 이권혁 대나무를 이용하여 생산하는 섬유용 펄프의 제조방법 및 그 펄프
CA2949518C (en) 2009-05-28 2019-01-08 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
AU2012268700B2 (en) 2011-05-23 2017-02-02 Gp Cellulose Gmbh Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same
TWI628331B (zh) 2012-01-12 2018-07-01 Ｇｐ纖維股份有限公司 具有降低黃化性質之低黏度牛皮紙纖維及其製造與使用方法
EP3495550A1 (de) 2012-04-18 2019-06-12 GP Cellulose GmbH Verwendung eines tensids zur behandlung von pulpe und zur verbesserung der aufnahme von kraft-pulpe in fasern zur herstellung von viskose und anderen sekundären faserprodukten
MY182098A (en) * 2012-09-27 2021-01-18 Andritz Inc Chemical treatment of lignocellulosic fiber bundle material,and methods and systems relating thereto
WO2014122533A2 (en) 2013-02-08 2014-08-14 Gp Cellulose Gmbh Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products
RU2671653C2 (ru) 2013-03-14 2018-11-06 ДжиПи СЕЛЛЬЮЛОУС ГМБХ Способ изготовления высокофункционального маловязкого крафтволокна с использованием последовательности кислотного отбеливания и волокно, изготовленное с помощью этого процесса
CN105143547B (zh) 2013-03-15 2018-05-01 Gp 纤维素股份有限公司 具有增高羧基含量的低粘度牛皮纸纤维及其制造和使用方法
JP7013246B2 (ja) * 2015-09-30 2022-02-15 イメリーズ ミネラルズ リミテッド 水性パルプを漂白するための方法及びこれらの方法において使用するための組成物
CA3040734A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
WO2021209586A1 (en) * 2020-04-16 2021-10-21 Bim Kemi Ab Delignification process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3507744A (en) * 1966-04-01 1970-04-21 Kimberly Clark Co Wood pulp bleaching process utilizing peroxide pyrophosphate high concentration compositions
SE335053B (de) * 1969-05-13 1971-05-10 Mo Och Domsjoe Ab
DE2742262C2 (de) * 1977-09-20 1982-06-09 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung eines mittel- bis hochviskosen Nadelholz-Sulfitzellstoffs
FR2520397A1 (fr) * 1982-01-28 1983-07-29 Centre Tech Ind Papier Procede pour le traitement de pates papetieres chimiques
FR2557605B1 (fr) * 1983-12-29 1987-12-11 Atochem Procede de blanchiment de pates papetieres par le peroxyde d'hydrogene
JPH0364589A (ja) * 1989-07-28 1991-03-19 Mitsubishi Gas Chem Co Inc 化学パルプの漂白方法

Also Published As

Publication number Publication date
EP0511695B1 (de) 1996-08-28
EP0679760B1 (de) 1998-11-18
SE9101301D0 (sv) 1991-04-30
JP2592747B2 (ja) 1997-03-19
FI921886A0 (fi) 1992-04-27
DE69213080D1 (de) 1996-10-02
SE470065C (sv) 1996-01-15
SE9101301L (sv) 1992-10-31
EP0511695A1 (de) 1992-11-04
NZ242465A (en) 1993-12-23
ATE141971T1 (de) 1996-09-15
NO180495B (no) 1997-01-20
FI111964B (fi) 2003-10-15
SE470065B (sv) 1993-11-01
RU2039141C1 (ru) 1995-07-09
BR9201554A (pt) 1992-12-01
EP0511695B2 (de) 2004-06-02
DE69227640D1 (de) 1998-12-24
ES2091395T3 (es) 1996-11-01
NO921671L (no) 1992-11-02
AU1514992A (en) 1993-03-11
FI921886A (fi) 1992-10-31
ZA923073B (en) 1992-12-30
JPH05148784A (ja) 1993-06-15
NO921671D0 (no) 1992-04-29
DE69227640T2 (de) 1999-05-06
EP0679760A1 (de) 1995-11-02
ATE173518T1 (de) 1998-12-15
NO180495C (no) 2003-06-06
MX9201966A (es) 1992-11-01
CA2067296A1 (en) 1992-10-31
AU651192B2 (en) 1994-07-14

Similar Documents

Publication Publication Date Title
CA2067296C (en) Process for bleaching of lignocellulose-containing pulp
US6398908B1 (en) Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
CA2067295C (en) Process for bleaching of lignocellulose-containing material
US5310458A (en) Process for bleaching lignocellulose-containing pulps
JP2864167B2 (ja) リグノセルロース含有パルプの脱リグニン化法
CA2121387C (en) Method for bleaching lignocellulose-containing pulp
EP0789798B1 (de) Verfahren zur delignifizierung und zum bleichen von chemischen zellstoff
CA1070909A (en) Nitrogen dioxide-oxygen delignification
USH1690H (en) Process for bleaching kraft pulp
CZ132895A3 (en) Bleaching process of pulp containing ligno-cellulose
JP3697335B2 (ja) 化学パルプの酸性漂白白水による処理方法
CA2139246A1 (en) Process for bleaching of lignocellulose-containing pulp
RU2097462C1 (ru) Способ делигнификации и отбеливания лигноцеллюлозосодержащей пульпы
NZ250050A (en) Bleaching pulp; magnesium compound pretreatment in acid conditions

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed