CA2053035C - Pates de bois sans chlore, et procede de fabrication - Google Patents

Pates de bois sans chlore, et procede de fabrication

Info

Publication number
CA2053035C
CA2053035C CA002053035A CA2053035A CA2053035C CA 2053035 C CA2053035 C CA 2053035C CA 002053035 A CA002053035 A CA 002053035A CA 2053035 A CA2053035 A CA 2053035A CA 2053035 C CA2053035 C CA 2053035C
Authority
CA
Canada
Prior art keywords
pulp
bleaching
oxygen
delignified
chlorine dioxide
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
CA002053035A
Other languages
English (en)
Other versions
CA2053035A1 (fr
Inventor
Malcolm Cronlund
Jairo H. Lora
Jeanne L. Powers
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.)
Alcell Technologies Inc
Original Assignee
Alcell Technologies Inc
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
Application filed by Alcell Technologies Inc filed Critical Alcell Technologies Inc
Publication of CA2053035A1 publication Critical patent/CA2053035A1/fr
Application granted granted Critical
Publication of CA2053035C publication Critical patent/CA2053035C/fr
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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA002053035A 1990-10-12 1991-10-08 Pates de bois sans chlore, et procede de fabrication Expired - Fee Related CA2053035C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US59676590A 1990-10-12 1990-10-12
US596,765 1990-10-12
US77062891A 1991-10-03 1991-10-03
US07/770,628 1991-10-03

Publications (2)

Publication Number Publication Date
CA2053035A1 CA2053035A1 (fr) 1992-04-13
CA2053035C true CA2053035C (fr) 1997-09-30

Family

ID=27082622

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002053035A Expired - Fee Related CA2053035C (fr) 1990-10-12 1991-10-08 Pates de bois sans chlore, et procede de fabrication

Country Status (8)

Country Link
EP (1) EP0480469A3 (fr)
JP (1) JPH06287881A (fr)
AU (2) AU8575691A (fr)
BR (1) BR9104455A (fr)
CA (1) CA2053035C (fr)
FI (1) FI914766L (fr)
MX (1) MX9101558A (fr)
PT (1) PT99205A (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0483163B1 (fr) * 1990-05-17 1995-05-10 Union Camp Patent Holding, Inc. Procede moins polluant de blanchiment de matieres lignocellulosiques
SE512137C2 (sv) † 1992-10-29 2000-01-31 Eka Chemicals Ab Förfarande för blekning av lignocellulosahaltig massa
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
NZ258274A (en) * 1992-11-27 1996-08-27 Eka Nobel Ab Delignifying and bleaching lignocellulose pulp using peracid delignification followed by treatment with a complexing agent then a chlorine-free bleach
BE1006881A3 (fr) * 1993-03-02 1995-01-17 Solvay Interox Procede pour la delignification d'une pate a papier chimique.
CA2163389A1 (fr) * 1994-11-23 1996-05-24 Malcolm Cronlund Pates obtenues a l'aide de composes organiques exempts de chlore
WO1997036040A1 (fr) * 1996-03-25 1997-10-02 Alcell Technologies Inc. Pates organosolv blanchies a l'ozone
JP3794254B2 (ja) * 2000-02-28 2006-07-05 王子製紙株式会社 中性紙
SE532370C2 (sv) * 2008-02-28 2009-12-29 Metso Paper Inc Metod för blekning av en massa
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
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
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
WO2012166997A2 (fr) 2011-05-31 2012-12-06 Clean Chemistry, Llc Réacteur électrochimique et procédé associé
US9517955B2 (en) 2012-09-07 2016-12-13 Clean Chemistry, Llc System and method for generation of point of use reactive oxygen species
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 (fr) 2013-03-14 2016-01-20 GP Cellulose GmbH Procédé de fabrication d'une fibre kraft extrêmement fonctionnelle et de viscosité faible, en utilisant une séquence de blanchiment acide, et fibre fabriquée par ce procédé
CA2901915A1 (fr) 2013-03-15 2014-09-18 Gp Cellulose Gmbh Fibre kraft a faible viscosite ayant une teneur en carboxyle amelioree et procedes de production et d'utilisation de celle-ci
FR3007044B1 (fr) * 2013-06-13 2016-01-15 Air Liquide Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium
AT515152B1 (de) * 2013-11-26 2015-12-15 Chemiefaser Lenzing Ag Verfahren zum Vorbehandeln von rückgewonnenen Baumwollfasern zur Verwendung bei der Herstellung von Formkörpern aus regenerierter Cellulose
WO2016037149A1 (fr) 2014-09-04 2016-03-10 Clean Chemistry, Inc. Procédé de traitement de l'eau au moyen d'une solution oxydante de péracétate
CA2981034C (fr) 2015-03-26 2024-06-25 Clean Chemistry, Inc. Systemes et procedes de reduction d'une population bacterienne dans de l'eau a teneur elevee en sulfure d'hydrogene
US10883224B2 (en) 2015-12-07 2021-01-05 Clean Chemistry, Inc. Methods of pulp fiber treatment
FI3386948T3 (fi) 2015-12-07 2025-05-15 Clean Chemistry Inc Selluloosakuitujen käsittelymenetelmät
US11136714B2 (en) 2016-07-25 2021-10-05 Clean Chemistry, Inc. Methods of optical brightening agent removal
WO2018093697A1 (fr) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Cellulose modifiée à base de fibres chimiques et procédés de fabrication et d'utilisation de ladite cellulose modifiée
US11311012B1 (en) 2017-09-07 2022-04-26 Clean Chemistry, Inc. Bacterial control in fermentation systems
US11591751B2 (en) * 2019-09-17 2023-02-28 Gpcp Ip Holdings Llc High efficiency fiber bleaching process
US12286751B2 (en) 2021-01-06 2025-04-29 Gpcp Ip Holdings Llc Oxygen treatment of high kappa fibers
US12435469B2 (en) 2022-02-22 2025-10-07 Gpcp Ip Holdings Llc High yield chemical pulping and bleaching process
EP4712775A1 (fr) 2023-05-17 2026-03-25 Clean Chemistry, Inc. Procédés et formulations de traitement d'oxydation de transformation alimentaire

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219505C3 (de) * 1972-04-21 1974-10-17 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Chlorfreie Mehrstufenbleiche von Zellstoff
SE462919B (sv) * 1979-05-11 1990-09-17 Sunds Defibrator Ind Ab Saett att genomfoera alkaliextraktion av cellulosamassa i naervaro av syre
AT373303B (de) * 1981-08-06 1984-01-10 Chemiefaser Lenzing Ag Verfahren zur herstellung von zellstoffen mit niedrigem ligningehalt
US4619733A (en) * 1983-11-30 1986-10-28 Kooi Boon Lam Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor
DE3881676D1 (de) * 1988-01-25 1993-07-15 Acetocell Gmbh & Co Kg Verfahren zur behandlung von lignin enthaltender cellulosemasse mit ozon.
AT395028B (de) * 1990-02-07 1992-08-25 Chemiefaser Lenzing Ag Verfahren zum chlorfreien bleichen von kunstfaserzellstoff

Also Published As

Publication number Publication date
EP0480469A2 (fr) 1992-04-15
PT99205A (pt) 1992-09-30
AU8575691A (en) 1992-04-30
FI914766A7 (fi) 1992-04-13
CA2053035A1 (fr) 1992-04-13
MX9101558A (es) 1992-06-05
FI914766A0 (fi) 1991-10-09
EP0480469A3 (en) 1994-06-01
JPH06287881A (ja) 1994-10-11
FI914766L (fi) 1992-04-13
AU1018395A (en) 1995-03-09
BR9104455A (pt) 1992-06-09

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