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 CA 2053035 CA2053035A CA2053035C CA 2053035 C CA2053035 C CA 2053035C CA 2053035 CA2053035 CA 2053035 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
CA 2053035
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)
CA 2053035 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
CA 2053035 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) FI914766A (fr)
MX (1) MX9101558A (fr)
PT (1) PT99205A (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU638017B2 (en) * 1990-05-17 1993-06-17 Union Camp Corporation Environmentally improved process for bleaching lignocellulosic materials
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
MX9307415A (es) * 1992-11-27 1994-07-29 Eka Nobel Ab Proceso para la deslignificacion de pulpa que contiene lignocelulosa.
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
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
EP2435629B1 (fr) 2009-05-28 2019-10-16 GP Cellulose GmbH Cellulose modifiée à base de fibres kraft chimiques et procédés de fabrication et d'utilisation de celle-ci
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
US9551076B2 (en) 2011-05-31 2017-01-24 Clean Chemistry, Inc. Electrochemical reactor and process
US20170107128A1 (en) 2012-09-07 2017-04-20 Clean Chemistry, Inc. System and method for generation of reactive oxygen species and applications thereof
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
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
BR112015020000A2 (pt) 2013-03-15 2017-07-18 Gp Cellulose Gmbh fibra kraft quimicamente modificada e métodos de fabricação da mesma
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
US10472265B2 (en) 2015-03-26 2019-11-12 Clean Chemistry, Inc. Systems and methods of reducing a bacteria population in high hydrogen sulfide water
US10883224B2 (en) 2015-12-07 2021-01-05 Clean Chemistry, Inc. Methods of pulp fiber treatment
WO2017100299A1 (fr) 2015-12-07 2017-06-15 Clean Chemistry, Inc. Procédés de traitement de fibres de pâte à papier
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

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
ATE90404T1 (de) * 1988-01-25 1993-06-15 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
EP0480469A3 (en) 1994-06-01
EP0480469A2 (fr) 1992-04-15
CA2053035A1 (fr) 1992-04-13
AU1018395A (en) 1995-03-09
BR9104455A (pt) 1992-06-09
FI914766A (fi) 1992-04-13
PT99205A (pt) 1992-09-30
MX9101558A (es) 1992-06-05
JPH06287881A (ja) 1994-10-11
FI914766A0 (fi) 1991-10-09
AU8575691A (en) 1992-04-30

Similar Documents

Publication Publication Date Title
CA2053035C (fr) Pates de bois sans chlore, et procede de fabrication
EP0716182A2 (fr) Pâte à papier du type organosolv blanchie sans chlore
FI111964B (fi) Menetelmä lignoselluloosapitoisen massan valkaisemiseksi
US4459174A (en) Process for the delignification and bleaching of chemical and semi-chemical cellulosic pulps
CA2166618C (fr) Procede de fabrication de pate
FI67242B (fi) Saett att avlaegsna lignin fraon oblekt kemisk pappersmassa
JP2010144273A (ja) リグノセルロース物質の化学パルプの製造方法
US5011572A (en) Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage
US4406735A (en) Process for alkaline oxygen gas bleaching of cellulose pulp
EP0789798B1 (fr) Procede de delignification et de blanchiment de cellulose chimique
US5645687A (en) Process for manufacturing bleached pulp with reduced chloride production
EP2082095A2 (fr) Procédé de blanchiment amélioré avec au moins une étape d'extraction
USH1690H (en) Process for bleaching kraft pulp
US5770011A (en) Neutral monoperoxysulfate bleaching process
US20030168190A1 (en) Method for controlling the delignfication and bleaching of a pulp suspension
WO1997036040A1 (fr) Pates organosolv blanchies a l'ozone
JP3360694B2 (ja) 製紙用化学パルプの脱リグニン漂白方法
EP0720676A1 (fr) Procede ameliore de blanchiment de pate lignocellulosique
WO1994029512A1 (fr) Procede de blanchiment de la pate de cellulose sans produits chimiques chlores
Van Tran Decreasing effluent loads through bleaching modification
WO2000008251A1 (fr) Procede perfectionne de blanchiment de pate a papier
EP0905307A1 (fr) Procédé pour l'emploi de l'ozone dans un procédé de blanchiment de type ECF
Hart Pulp bleaching
JP2812056B2 (ja) リグノセルロース物質の漂白方法
JPH06158573A (ja) 製紙用化学パルプの漂白方法

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed