SE470065C - Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning - Google Patents

Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning

Info

Publication number
SE470065C
SE470065C SE9101301A SE9101301A SE470065C SE 470065 C SE470065 C SE 470065C SE 9101301 A SE9101301 A SE 9101301A SE 9101301 A SE9101301 A SE 9101301A SE 470065 C SE470065 C SE 470065C
Authority
SE
Sweden
Prior art keywords
pulp
chlorine
treatment
acid
magnesium
Prior art date
Application number
SE9101301A
Other languages
English (en)
Swedish (sv)
Other versions
SE470065B (sv
SE9101301D0 (sv
SE9101301L (sv
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=SE470065(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 SE9101301A priority Critical patent/SE470065C/sv
Publication of SE9101301D0 publication Critical patent/SE9101301D0/xx
Priority to DE69213080T priority patent/DE69213080D1/de
Priority to EP94203640A priority patent/EP0679760B1/en
Priority to AT94203640T priority patent/ATE173518T1/de
Priority to DE69227640T priority patent/DE69227640T2/de
Priority to AT92201005T priority patent/ATE141971T1/de
Priority to ES92201005T priority patent/ES2091395T3/es
Priority to EP92201005A priority patent/EP0511695B2/en
Priority to NZ242465A priority patent/NZ242465A/en
Priority to CA002067296A priority patent/CA2067296C/en
Priority to FI921886A priority patent/FI111964B/fi
Priority to CA002139246A priority patent/CA2139246A1/en
Priority to AU15149/92A priority patent/AU651192C/en
Priority to ZA923073A priority patent/ZA923073B/xx
Priority to MX9201966A priority patent/MX9201966A/es
Priority to JP4134325A priority patent/JP2592747B2/ja
Priority to BR929201554A priority patent/BR9201554A/pt
Priority to NO19921671A priority patent/NO180495C/no
Priority to SU925011770A priority patent/RU2039141C1/ru
Publication of SE9101301L publication Critical patent/SE9101301L/
Publication of SE470065B publication Critical patent/SE470065B/sv
Publication of SE470065C publication Critical patent/SE470065C/sv
Priority to US08/754,884 priority patent/US6398908B1/en

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/16Bleaching ; Apparatus therefor with per compounds
    • D21C9/163Bleaching ; Apparatus therefor with per compounds with peroxides
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1005Pretreatment of the pulp, e.g. degassing the pulp
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1036Use of compounds accelerating or improving the efficiency of the processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/147Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153Bleaching ; 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Noodles (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)
SE9101301A 1991-04-30 1991-04-30 Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning SE470065C (sv)

Priority Applications (20)

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
DE69213080T DE69213080D1 (de) 1991-04-30 1992-04-08 Verfahren zum Bleichen von Lignocellulose enthaltendem Zellstoff
EP94203640A EP0679760B1 (en) 1991-04-30 1992-04-08 Process for bleaching of lignocellulose-containing pulp
AT94203640T ATE173518T1 (de) 1991-04-30 1992-04-08 Verfahren zum bleichen von lignocellulose- enthaltendem zellstoff
DE69227640T DE69227640T2 (de) 1991-04-30 1992-04-08 Verfahren zum Bleichen von Lignocellulose-enthaltendem Zellstoff
AT92201005T ATE141971T1 (de) 1991-04-30 1992-04-08 Verfahren zum bleichen von lignocellulose enthaltendem zellstoff
ES92201005T ES2091395T3 (es) 1991-04-30 1992-04-08 Procedimiento para blanqueo de pasta papelera que contiene lignocelulosa.
EP92201005A EP0511695B2 (en) 1991-04-30 1992-04-08 Process for bleaching of lignocellulose-containing pulp
NZ242465A NZ242465A (en) 1991-04-30 1992-04-23 Delignification and bleaching of chemical pulp with acid and a magnesium
CA002139246A CA2139246A1 (en) 1991-04-30 1992-04-27 Process for bleaching of lignocellulose-containing pulp
FI921886A FI111964B (fi) 1991-04-30 1992-04-27 Menetelmä lignoselluloosapitoisen massan valkaisemiseksi
CA002067296A CA2067296C (en) 1991-04-30 1992-04-27 Process for bleaching of lignocellulose-containing pulp
AU15149/92A AU651192C (en) 1991-04-30 1992-04-27 Process for bleaching of lignocellulose-containing pulp
ZA923073A ZA923073B (en) 1991-04-30 1992-04-28 Process for bleaching of lignocellulose-containing pulp
MX9201966A MX9201966A (es) 1991-04-30 1992-04-28 Proceso para blanqueo de pasta que contiene lignocelulosa.
JP4134325A JP2592747B2 (ja) 1991-04-30 1992-04-28 リグノセルロース含有パルプの漂白方法
BR929201554A BR9201554A (pt) 1991-04-30 1992-04-28 Processo para a deslignificacao e alvejamento de polpa contendo ligno-celulose quimicamente digerida
SU925011770A RU2039141C1 (ru) 1991-04-30 1992-04-29 Способ делигнификации и отбелки химически сваренной лигноцеллюлозосодержащей пульпы
NO19921671A NO180495C (no) 1991-04-30 1992-04-29 Fremgangsmåte ved delignifisering og bleking av kjemisk oppsluttet lignocelluloseholdig materiale
US08/754,884 US6398908B1 (en) 1991-04-30 1996-11-22 Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound

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
SE9101301D0 SE9101301D0 (sv) 1991-04-30
SE9101301L SE9101301L (sv) 1992-10-31
SE470065B SE470065B (sv) 1993-11-01
SE470065C true SE470065C (sv) 1996-01-15

Family

ID=20382601

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (14)

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

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
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
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
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
CN104060491B (zh) 2009-05-28 2017-04-12 Gp纤维素股份有限公司 来自化学牛皮纸纤维的改性纤维素及其制造和使用方法
US9719208B2 (en) 2011-05-23 2017-08-01 Gp Cellulose Gmbh Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same
CN104302831A (zh) 2012-01-12 2015-01-21 Gp纤维素股份有限公司 具有降低的黄变特性的低粘性牛皮纸纤维及其制造和使用方法
AU2013249725B2 (en) 2012-04-18 2017-04-20 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
EP2900393B1 (en) * 2012-09-27 2018-01-17 Andritz Inc. Chemical treatment of lignocellulosic fiber bundle material, and methods and systems relating thereto
BR112015018492A2 (pt) 2013-02-08 2017-07-18 Gp Cellulose Gmbh fibra kraft e método para fazer polpa kraft oxidada
MX364379B (es) 2013-03-14 2019-04-24 Gp Cellulose Gmbh Un metodo para preparar una fibra kraft altamente funcional y de baja viscosidad, usando una secuencia de blanqueamiento acido, y una fibra hecha por el proceso.
EP2971338A2 (en) 2013-03-15 2016-01-20 GP Cellulose GmbH A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
CN118308895A (zh) * 2015-09-30 2024-07-09 伊梅里斯矿物有限公司 纸浆漂白或纸浆脱木素方法
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 (ja) * 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
EP0679760B1 (en) 1998-11-18
ES2091395T3 (es) 1996-11-01
EP0679760A1 (en) 1995-11-02
EP0511695A1 (en) 1992-11-04
AU651192B2 (en) 1994-07-14
SE470065B (sv) 1993-11-01
EP0511695B1 (en) 1996-08-28
ZA923073B (en) 1992-12-30
SE9101301D0 (sv) 1991-04-30
NO921671D0 (no) 1992-04-29
MX9201966A (es) 1992-11-01
NO180495B (no) 1997-01-20
NO921671L (no) 1992-11-02
ATE173518T1 (de) 1998-12-15
FI111964B (fi) 2003-10-15
RU2039141C1 (ru) 1995-07-09
JP2592747B2 (ja) 1997-03-19
AU1514992A (en) 1993-03-11
JPH05148784A (ja) 1993-06-15
SE9101301L (sv) 1992-10-31
ATE141971T1 (de) 1996-09-15
FI921886A (fi) 1992-10-31
BR9201554A (pt) 1992-12-01
DE69227640T2 (de) 1999-05-06
DE69227640D1 (de) 1998-12-24
CA2067296A1 (en) 1992-10-31
FI921886A0 (fi) 1992-04-27
NO180495C (no) 2003-06-06
NZ242465A (en) 1993-12-23
CA2067296C (en) 1997-03-04
DE69213080D1 (de) 1996-10-02

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