NO921671L - Fremgangsmaate ved bleking av lignocelluloseholdig materiale - Google Patents

Fremgangsmaate ved bleking av lignocelluloseholdig materiale

Info

Publication number
NO921671L
NO921671L NO92921671A NO921671A NO921671L NO 921671 L NO921671 L NO 921671L NO 92921671 A NO92921671 A NO 92921671A NO 921671 A NO921671 A NO 921671A NO 921671 L NO921671 L NO 921671L
Authority
NO
Norway
Prior art keywords
pulp
chlorine
bleaching agent
lignocellulose
free bleaching
Prior art date
Application number
NO92921671A
Other languages
English (en)
Other versions
NO921671D0 (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=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO921671(L) "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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Noodles (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Materials For Medical Uses (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 NO921671D0 (no) 1992-04-29
NO921671L true 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) EP0679760B1 (no)
JP (1) JP2592747B2 (no)
AT (2) ATE173518T1 (no)
BR (1) BR9201554A (no)
CA (1) CA2067296C (no)
DE (2) DE69227640T2 (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 (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
EP0622491B2 (en) * 1993-04-20 2002-07-17 Eka Chemicals AB Method for bleaching lignocellulose-containing pulp
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
FI102301B1 (fi) * 1994-10-13 1998-11-13 Ahlstrom Machinery 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
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
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
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
WO2010138941A2 (en) 2009-05-28 2010-12-02 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the 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
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
BR112014017164A8 (pt) 2012-01-12 2017-07-04 Gp Cellulose Gmbh método para produzir polpa kraft oxidada e fibras kraft de madeira macia
EP3495550A1 (en) 2012-04-18 2019-06-12 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
CA2884748C (en) * 2012-09-27 2017-01-10 Andritz Inc. Chemical treatment of lignocellulosic fiber bundle material, and methods and systems relating thereto
PL2954115T3 (pl) 2013-02-08 2022-05-02 Gp Cellulose Gmbh Włókno siarczanowe z drewna iglastego o polepszonej zawartości a-celulozy i jego zastosowanie w wytwarzaniu chemicznych produktów celulozowych
US10138598B2 (en) 2013-03-14 2018-11-27 Gp Cellulose Gmbh Method of making a highly functional, low viscosity kraft fiber using an acidic bleaching sequence and a fiber made by the process
BR112015020000A2 (pt) 2013-03-15 2017-07-18 Gp Cellulose Gmbh fibra kraft quimicamente modificada e métodos de fabricação da mesma
KR20180061089A (ko) * 2015-09-30 2018-06-07 이메리즈 미네랄즈 리미티드 수성 펄프를 표백하는 방법 및 이러한 방법에 사용하기 위한 조성물
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
SE2051513A1 (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 (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
DE69227640D1 (de) 1998-12-24
FI111964B (fi) 2003-10-15
DE69213080D1 (de) 1996-10-02
FI921886A0 (fi) 1992-04-27
CA2067296C (en) 1997-03-04
EP0511695A1 (en) 1992-11-04
ATE173518T1 (de) 1998-12-15
NO921671D0 (no) 1992-04-29
AU1514992A (en) 1993-03-11
ES2091395T3 (es) 1996-11-01
BR9201554A (pt) 1992-12-01
SE470065B (sv) 1993-11-01
ZA923073B (en) 1992-12-30
SE9101301D0 (sv) 1991-04-30
EP0679760A1 (en) 1995-11-02
FI921886L (fi) 1992-10-31
ATE141971T1 (de) 1996-09-15
EP0679760B1 (en) 1998-11-18
SE9101301L (sv) 1992-10-31
EP0511695B1 (en) 1996-08-28
CA2067296A1 (en) 1992-10-31
NO180495C (no) 2003-06-06
RU2039141C1 (ru) 1995-07-09
DE69227640T2 (de) 1999-05-06
JP2592747B2 (ja) 1997-03-19
NZ242465A (en) 1993-12-23
MX9201966A (es) 1992-11-01
JPH05148784A (ja) 1993-06-15
SE470065C (sv) 1996-01-15
AU651192B2 (en) 1994-07-14
NO180495B (no) 1997-01-20
EP0511695B2 (en) 2004-06-02

Similar Documents

Publication Publication Date Title
NO921671L (no) Fremgangsmaate ved bleking av lignocelluloseholdig materiale
NO921670L (no) Fremgangsmaate ved bleking av celluloseholdig materiale
AU592488B2 (en) A method for stabilising the brightness of bleached lignin containing cellulose pulp
BR9307521A (pt) Processo para a deslignificação e alvejamento de polpa contendo lignocelulose
RU2120511C1 (ru) Способ бесхлорного отбеливания химической целлюлозы
FI911908A0 (fi) Menetelmä valkaistaessa lignoselluloosapitoista ainetta
FI934036L (fi) Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
SE9700992L (sv) Förfarande för blekning av kraftmassa
BR9204097A (pt) Processo para obtener melhorada,seletividade de deslignificacao de polpa durante a deslignificacao com oxigenio,de elevada consistencia
FI952551A0 (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
AU2716892A (en) Wash press modification for oxygen delignification process
RU95114367A (ru) Способ делигнификации и отбеливания лигноцеллюлозосодержащей пульпы

Legal Events

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