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
ES2073027T3 (es) * 1990-05-17 1995-08-01 Union Camp Patent Holding Procedimiento medioambientalmente mejorado para blanquear materiales lignocelulosicos.
SE512137C2 (sv) † 1992-10-29 2000-01-31 Eka Chemicals Ab Förfarande för blekning av lignocellulosahaltig massa
JP2864167B2 (ja) * 1992-11-27 1999-03-03 エカ ノーベル アクチェボラーグ リグノセルロース含有パルプの脱リグニン化法
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
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
BRPI1012052A2 (pt) 2009-05-28 2017-12-26 Gp Cellulose Gmbh fibras kraft hidrolisadas e quimicamente modificadas e métodos de produção e de branqueamento de fibras kraft
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
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
US9551076B2 (en) 2011-05-31 2017-01-24 Clean Chemistry, Inc. Electrochemical reactor and process
AU2013312249B2 (en) 2012-09-07 2018-03-15 Clean Chemistry, Inc. Systems and methods for generation of reactive oxygen species and applications thereof
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.
WO2014140940A2 (fr) 2013-03-15 2014-09-18 Gp Cellulose Gmbh Fibre kraft à faible viscosité ayant une teneur en carboxyle améliorée et procédés 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
US10259729B2 (en) 2014-09-04 2019-04-16 Clean Chemistry, Inc. Systems and method of water treatment utilizing reactive oxygen species and applications thereof
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
WO2017100284A1 (fr) 2015-12-07 2017-06-15 Clean Chemistry, Inc. Procédés de lutte microbienne
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
ES2041828T3 (es) * 1988-01-25 1993-12-01 Acetocell Gmbh & Co. Kg Procedimiento para el tratamiento de masa de celulosa conteniendo lignina, con ozono.
AT395028B (de) * 1990-02-07 1992-08-25 Chemiefaser Lenzing Ag Verfahren zum chlorfreien bleichen von kunstfaserzellstoff

Also Published As

Publication number Publication date
FI914766A (fi) 1992-04-13
JPH06287881A (ja) 1994-10-11
FI914766A0 (fi) 1991-10-09
EP0480469A2 (fr) 1992-04-15
PT99205A (pt) 1992-09-30
AU1018395A (en) 1995-03-09
BR9104455A (pt) 1992-06-09
CA2053035A1 (fr) 1992-04-13
AU8575691A (en) 1992-04-30
MX9101558A (es) 1992-06-05
EP0480469A3 (en) 1994-06-01

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