NO921671D0 - Fremgangsmaate ved bleking av lignocelluloseholdig materiale - Google Patents

Fremgangsmaate ved bleking av lignocelluloseholdig materiale

Info

Publication number
NO921671D0
NO921671D0 NO921671A NO921671A NO921671D0 NO 921671 D0 NO921671 D0 NO 921671D0 NO 921671 A NO921671 A NO 921671A NO 921671 A NO921671 A NO 921671A NO 921671 D0 NO921671 D0 NO 921671D0
Authority
NO
Norway
Prior art keywords
pulp
chlorine
bleaching agent
lignocellulose
free bleaching
Prior art date
Application number
NO921671A
Other languages
English (en)
Other versions
NO921671L (no
NO180495C (no
NO180495B (no
Inventor
Lennart Andersson
Jiri Basta
Lillemor Holtinger
Jan Hoeoek
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=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO921671(D0) "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
Publication of NO921671D0 publication Critical patent/NO921671D0/no
Publication of NO921671L publication Critical patent/NO921671L/no
Publication of NO180495B publication Critical patent/NO180495B/no
Publication of NO180495C publication Critical patent/NO180495C/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
    • D21C9/16—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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Stringed Musical Instruments (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Materials For Medical Uses (AREA)
  • Noodles (AREA)
NO19921671A 1991-04-30 1992-04-29 Fremgangsmåte ved delignifisering og bleking av kjemisk oppsluttet lignocelluloseholdig materiale NO180495C (no)

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 (4)

Publication Number Publication Date
NO921671D0 true NO921671D0 (no) 1992-04-29
NO921671L NO921671L (no) 1992-11-02
NO180495B NO180495B (no) 1997-01-20
NO180495C NO180495C (no) 2003-06-06

Family

ID=20382601

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19921671A NO180495C (no) 1991-04-30 1992-04-29 Fremgangsmåte ved delignifisering og bleking av kjemisk oppsluttet lignocelluloseholdig materiale

Country Status (14)

Country Link
EP (2) EP0511695B2 (no)
JP (1) JP2592747B2 (no)
AT (2) ATE173518T1 (no)
BR (1) BR9201554A (no)
CA (1) CA2067296C (no)
DE (2) DE69213080D1 (no)
ES (1) ES2091395T3 (no)
FI (1) FI111964B (no)
MX (1) MX9201966A (no)
NO (1) NO180495C (no)
NZ (1) NZ242465A (no)
RU (1) RU2039141C1 (no)
SE (1) SE470065C (no)
ZA (1) ZA923073B (no)

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
DE69420306T2 (de) * 1993-04-20 2000-04-20 Eka Chemicals Ab Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff
SE500616C2 (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
EP3636830A1 (en) 2009-05-28 2020-04-15 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
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
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
JP6254078B2 (ja) 2011-05-23 2017-12-27 ゲーペー ツェルローゼ ゲーエムベーハー 白色度および明度が改善された針葉樹クラフト繊維、ならびにそれを作製する方法および使用する方法
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.
EP2839071B1 (en) 2012-04-18 2019-01-23 GP Cellulose GmbH The use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products
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
KR102180512B1 (ko) 2013-02-08 2020-11-19 게페 첼루로제 게엠베하 개선된 알파 셀룰로스 함량을 갖는 연재 크래프트 섬유 및 화학적 셀룰로스 제품의 생산에서의 그의 용도
JP6379116B2 (ja) 2013-03-14 2018-08-22 ゲーペー ツェルローゼ ゲーエムベーハー 酸性漂白シーケンスを使用する、高機能、低粘度クラフト繊維の作製方法およびそのプロセスによって作製される繊維
JP6521873B2 (ja) 2013-03-15 2019-05-29 ゲーペー ツェルローゼ ゲーエムベーハー 増強されたカルボキシル含量を有する低粘度クラフト繊維ならびにその製造方法および使用方法
WO2017055504A1 (en) * 2015-09-30 2017-04-06 Imerys Minerals Limited Methods for bleaching aqueous pulps and compositions for use in these methods
US10865519B2 (en) 2016-11-16 2020-12-15 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 (no) * 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
EP0511695B2 (en) 2004-06-02
ATE141971T1 (de) 1996-09-15
NO921671L (no) 1992-11-02
CA2067296C (en) 1997-03-04
AU651192B2 (en) 1994-07-14
SE9101301L (sv) 1992-10-31
EP0511695B1 (en) 1996-08-28
EP0511695A1 (en) 1992-11-04
FI921886A (fi) 1992-10-31
SE470065C (sv) 1996-01-15
DE69213080D1 (de) 1996-10-02
DE69227640T2 (de) 1999-05-06
DE69227640D1 (de) 1998-12-24
FI921886A0 (fi) 1992-04-27
NO180495C (no) 2003-06-06
BR9201554A (pt) 1992-12-01
CA2067296A1 (en) 1992-10-31
EP0679760A1 (en) 1995-11-02
RU2039141C1 (ru) 1995-07-09
NZ242465A (en) 1993-12-23
ZA923073B (en) 1992-12-30
ATE173518T1 (de) 1998-12-15
SE470065B (sv) 1993-11-01
SE9101301D0 (sv) 1991-04-30
EP0679760B1 (en) 1998-11-18
NO180495B (no) 1997-01-20
ES2091395T3 (es) 1996-11-01
JP2592747B2 (ja) 1997-03-19
AU1514992A (en) 1993-03-11
FI111964B (fi) 2003-10-15
MX9201966A (es) 1992-11-01
JPH05148784A (ja) 1993-06-15

Similar Documents

Publication Publication Date Title
NO921671L (no) Fremgangsmaate ved bleking av lignocelluloseholdig materiale
NO921670D0 (no) Fremgangsmaate ved bleking av celluloseholdig materiale
EP0280332A1 (en) A method for stabilizing the brightness of bleached lignin containing cellulose pulp
RU2120511C1 (ru) Способ бесхлорного отбеливания химической целлюлозы
FI934036A (fi) Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
SE9700992L (sv) Förfarande för blekning av kraftmassa
FI952551A (fi) Menetelmä lignoselluloosaa sisältävän massa valkaisemiseksi
SE9600773L (sv) Medelkonsistens-ljushetsförbättring med ozon av h ögkonsistens-ozonblekt massa
CA1129156A (en) Bleaching stilbene yellow dyed wood pulp
RU95114367A (ru) Способ делигнификации и отбеливания лигноцеллюлозосодержащей пульпы

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees