MX9101558A - Pulpas de madera libres de cloro y proceso para la deslignificacion con oxigeno de las mismas - Google Patents

Pulpas de madera libres de cloro y proceso para la deslignificacion con oxigeno de las mismas

Info

Publication number
MX9101558A
MX9101558A MX9101558A MX9101558A MX9101558A MX 9101558 A MX9101558 A MX 9101558A MX 9101558 A MX9101558 A MX 9101558A MX 9101558 A MX9101558 A MX 9101558A MX 9101558 A MX9101558 A MX 9101558A
Authority
MX
Mexico
Prior art keywords
lignification
oxygen
same
wood pulp
chlorine free
Prior art date
Application number
MX9101558A
Other languages
English (en)
Spanish (es)
Inventor
Malcolm Cronlund
Jairo H Lora
Jeanne L Powers
Original Assignee
Repap 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 Repap Technologies Inc filed Critical Repap Technologies Inc
Publication of MX9101558A publication Critical patent/MX9101558A/es

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)
MX9101558A 1990-10-12 1991-10-11 Pulpas de madera libres de cloro y proceso para la deslignificacion con oxigeno de las mismas MX9101558A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59676590A 1990-10-12 1990-10-12
US77062891A 1991-10-03 1991-10-03

Publications (1)

Publication Number Publication Date
MX9101558A true MX9101558A (es) 1992-06-05

Family

ID=27082622

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9101558A MX9101558A (es) 1990-10-12 1991-10-11 Pulpas de madera libres de cloro y proceso para la deslignificacion con oxigeno de las mismas

Country Status (8)

Country Link
EP (1) EP0480469A3 (fi)
JP (1) JPH06287881A (fi)
AU (2) AU8575691A (fi)
BR (1) BR9104455A (fi)
CA (1) CA2053035C (fi)
FI (1) FI914766A (fi)
MX (1) MX9101558A (fi)
PT (1) PT99205A (fi)

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 (en) * 1994-11-23 1996-05-24 Malcolm Cronlund Chlorine-free organosolv pulps
WO1997036040A1 (en) * 1996-03-25 1997-10-02 Alcell Technologies Inc. Ozone-bleached organosolv pulps
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 (en) 2013-03-15 2014-09-18 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
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 (en) 2015-03-26 2024-06-25 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
WO2017100284A1 (en) 2015-12-07 2017-06-15 Clean Chemistry, Inc. Methods of microbial control
US11136714B2 (en) 2016-07-25 2021-10-05 Clean Chemistry, Inc. Methods of optical brightening agent removal
WO2018093697A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
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
CA2053035C (en) 1997-09-30
FI914766A (fi) 1992-04-13
JPH06287881A (ja) 1994-10-11
FI914766A0 (fi) 1991-10-09
EP0480469A2 (en) 1992-04-15
PT99205A (pt) 1992-09-30
AU1018395A (en) 1995-03-09
BR9104455A (pt) 1992-06-09
CA2053035A1 (en) 1992-04-13
AU8575691A (en) 1992-04-30
EP0480469A3 (en) 1994-06-01

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Legal Events

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FA Abandonment or withdrawal