ATE141971T1 - Verfahren zum bleichen von lignocellulose enthaltendem zellstoff - Google Patents

Verfahren zum bleichen von lignocellulose enthaltendem zellstoff

Info

Publication number
ATE141971T1
ATE141971T1 AT92201005T AT92201005T ATE141971T1 AT E141971 T1 ATE141971 T1 AT E141971T1 AT 92201005 T AT92201005 T AT 92201005T AT 92201005 T AT92201005 T AT 92201005T AT E141971 T1 ATE141971 T1 AT E141971T1
Authority
AT
Austria
Prior art keywords
pulp
chlorine
bleaching agent
free bleaching
pulp containing
Prior art date
Application number
AT92201005T
Other languages
English (en)
Inventor
Lennart Andersson
Jiri Basta
Lillemor Holtinger
Jan Hoeoek
Original Assignee
Eka Chemicals 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=ATE141971(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eka Chemicals Ab filed Critical Eka Chemicals Ab
Application granted granted Critical
Publication of ATE141971T1 publication Critical patent/ATE141971T1/de

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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Noodles (AREA)
  • Materials For Medical Uses (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
AT92201005T 1991-04-30 1992-04-08 Verfahren zum bleichen von lignocellulose enthaltendem zellstoff ATE141971T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE141971T1 true ATE141971T1 (de) 1996-09-15

Family

ID=20382601

Family Applications (2)

Application Number Title Priority Date Filing Date
AT92201005T ATE141971T1 (de) 1991-04-30 1992-04-08 Verfahren zum bleichen von lignocellulose enthaltendem zellstoff
AT94203640T ATE173518T1 (de) 1991-04-30 1992-04-08 Verfahren zum bleichen von lignocellulose- enthaltendem zellstoff

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT94203640T ATE173518T1 (de) 1991-04-30 1992-04-08 Verfahren zum bleichen von lignocellulose- enthaltendem zellstoff

Country Status (14)

Country Link
EP (2) EP0679760B1 (de)
JP (1) JP2592747B2 (de)
AT (2) ATE141971T1 (de)
BR (1) BR9201554A (de)
CA (1) CA2067296C (de)
DE (2) DE69213080D1 (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 (37)

* 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
DE69420306T2 (de) * 1993-04-20 2000-04-20 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.
FI102301B1 (fi) * 1994-10-13 1998-11-13 Ahlstrom Machinery Oy Menetelmä selluloosamassojen käsittelemiseksi
US6776876B1 (en) 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
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
RU2164571C1 (ru) * 2000-06-27 2001-03-27 Камский целлюлозно-бумажный комбинат Способ получения беленой сульфитной целлюлозы на магниевом основании
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
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
ES2752755T3 (es) 2009-05-28 2020-04-06 Gp Cellulose Gmbh Celulosa modificada de fibra química kraft y métodos de producción y uso de la misma
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
MX366988B (es) 2012-01-12 2019-08-01 Gp Cellulose Gmbh Fibra kraft de baja viscosidad que tiene propiedades de amarillez reducida, y metodos para prepararla y usarla.
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
JP6129323B2 (ja) * 2012-09-27 2017-05-17 アンドリッツ インコーポレーテッド リグノセルロース系繊維束材料の化学的処理並びにそれに関する方法及びシステム
MX365675B (es) 2013-02-08 2019-06-10 Gp Cellulose Gmbh Fibra kraft de madera blanda que tiene un contenido mejorado de a-celulosa, y su uso en la produccion de productos de celulosa quimica.
EP2971334A2 (de) 2013-03-14 2016-01-20 GP Cellulose GmbH Verfahren zur herstellung hochfunktioneller, niedrigviskoser kraftfasern mittels eines sauren bleichsequenz und nach diesem verfahren hergestellte faser
CA2901915A1 (en) 2013-03-15 2014-09-18 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
CA2989264A1 (en) * 2015-09-30 2017-04-06 Imerys Minerals Limited Methods for bleaching aqueous pulps and compositions for use in these methods
WO2018093697A1 (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
SE544236C2 (en) * 2020-12-21 2022-03-08 Valmet Oy Method for bleaching pulp from recycled textile material
WO2026017672A1 (en) * 2024-07-18 2026-01-22 Lenzing Aktiengesellschaft Method for stabilizing of a bleaching stage for a polysaccharide material using an alkaline waste liquid

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
NO180495C (no) 2003-06-06
EP0511695B2 (de) 2004-06-02
SE9101301D0 (sv) 1991-04-30
BR9201554A (pt) 1992-12-01
NO180495B (no) 1997-01-20
AU651192B2 (en) 1994-07-14
DE69227640D1 (de) 1998-12-24
ES2091395T3 (es) 1996-11-01
SE9101301L (sv) 1992-10-31
NZ242465A (en) 1993-12-23
DE69227640T2 (de) 1999-05-06
DE69213080D1 (de) 1996-10-02
ATE173518T1 (de) 1998-12-15
EP0679760B1 (de) 1998-11-18
FI111964B (fi) 2003-10-15
EP0511695A1 (de) 1992-11-04
CA2067296A1 (en) 1992-10-31
NO921671L (no) 1992-11-02
ZA923073B (en) 1992-12-30
EP0511695B1 (de) 1996-08-28
SE470065C (sv) 1996-01-15
CA2067296C (en) 1997-03-04
AU1514992A (en) 1993-03-11
RU2039141C1 (ru) 1995-07-09
FI921886A0 (fi) 1992-04-27
EP0679760A1 (de) 1995-11-02
FI921886L (fi) 1992-10-31
NO921671D0 (no) 1992-04-29
JPH05148784A (ja) 1993-06-15
SE470065B (sv) 1993-11-01
MX9201966A (es) 1992-11-01
JP2592747B2 (ja) 1997-03-19

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties