CL2015003181A1 - Método para fabricar una fibra kraft que comprende digerir y deslignificar con oxigeno una pasta de celulosa de madera blanda a un numero kappa de entre 6 y 14, blanquear la pulpa usando un proceso de blanqueo de múltiples etapas y oxidarla durante al menos una etapa de dicho proceso de blanqueo de múltiples etapas, con peróxido y un catalizador bajo condiciones ácidas (divisional nº 3005-11) - Google Patents

Método para fabricar una fibra kraft que comprende digerir y deslignificar con oxigeno una pasta de celulosa de madera blanda a un numero kappa de entre 6 y 14, blanquear la pulpa usando un proceso de blanqueo de múltiples etapas y oxidarla durante al menos una etapa de dicho proceso de blanqueo de múltiples etapas, con peróxido y un catalizador bajo condiciones ácidas (divisional nº 3005-11)

Info

Publication number
CL2015003181A1
CL2015003181A1 CL2015003181A CL2015003181A CL2015003181A1 CL 2015003181 A1 CL2015003181 A1 CL 2015003181A1 CL 2015003181 A CL2015003181 A CL 2015003181A CL 2015003181 A CL2015003181 A CL 2015003181A CL 2015003181 A1 CL2015003181 A1 CL 2015003181A1
Authority
CL
Chile
Prior art keywords
stage
pulp
bleaching process
bleaching
oxygen
Prior art date
Application number
CL2015003181A
Other languages
English (en)
Inventor
Arthur J Nonni
Charles E Courchene
Christopher Michael Slone
Peter R Abitz
Original Assignee
Gp Cellulose Gmbh
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 Gp Cellulose Gmbh filed Critical Gp Cellulose Gmbh
Publication of CL2015003181A1 publication Critical patent/CL2015003181A1/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • 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
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/20—Chemically or biochemically modified fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/32—Bleaching agents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/298—Physical dimension

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Artificial Filaments (AREA)

Abstract

MÉTODO PARA FABRICAR UNA FIBRA KRAFT QUE COMPRENDE: DIGERIR Y DESLIGNIFICAR CON OXIGENO UNA FIBRA DE CELULOSA A UN NUMERO KAPPA DE ENTRE 6 Y 14; BLANQUEAR LA PULPA CELULÓSICA USANDO UN PROCESO DE BLANQUEAMIENTO DE MÚLTIPLES ETAPAS; Y OXIDAR LA FIBRA KRAFT DURANTE AL MENOS UNA ETAPA DEL PROCESO DE BLANQUEAMIENTO CON PERÓXIDO Y UN CATALIZADOR BAJO CONDICIONES ÁCIDAS, Y EN DONDE EL PROCESO DE BLANQUEAMIENTO DE MÚLTIPLES ETAPAS COMPRENDE ADEMÁS AL MENOS UNA ETAPA DE BLANQUEAMIENTO SEGUIDA DE UNA ETAPA DE OXIDACIÓN.
CL2015003181A 2009-05-28 2015-10-29 Método para fabricar una fibra kraft que comprende digerir y deslignificar con oxigeno una pasta de celulosa de madera blanda a un numero kappa de entre 6 y 14, blanquear la pulpa usando un proceso de blanqueo de múltiples etapas y oxidarla durante al menos una etapa de dicho proceso de blanqueo de múltiples etapas, con peróxido y un catalizador bajo condiciones ácidas (divisional nº 3005-11) CL2015003181A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18200009P 2009-05-28 2009-05-28

Publications (1)

Publication Number Publication Date
CL2015003181A1 true CL2015003181A1 (es) 2016-07-01

Family

ID=43223397

Family Applications (3)

Application Number Title Priority Date Filing Date
CL2011003005A CL2011003005A1 (es) 2009-05-28 2011-11-28 Metodo para fabricar una fibra kraft modificada que comprende blanqueo de etapas multiples oxidando la pasta durante una o mas etapas del blanqueo con peroxido y un catalizador, donde existe al menos una etapa de blanqueo que sigue a la etapa de oxidacion; y fibra kraft de madera blanda blanqueada modificada.
CL2015003181A CL2015003181A1 (es) 2009-05-28 2015-10-29 Método para fabricar una fibra kraft que comprende digerir y deslignificar con oxigeno una pasta de celulosa de madera blanda a un numero kappa de entre 6 y 14, blanquear la pulpa usando un proceso de blanqueo de múltiples etapas y oxidarla durante al menos una etapa de dicho proceso de blanqueo de múltiples etapas, con peróxido y un catalizador bajo condiciones ácidas (divisional nº 3005-11)
CL2019000489A CL2019000489A1 (es) 2009-05-28 2019-02-22 Fibra kraft de madera blanda blanqueada modificada. (divisional solicitud 201103005)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CL2011003005A CL2011003005A1 (es) 2009-05-28 2011-11-28 Metodo para fabricar una fibra kraft modificada que comprende blanqueo de etapas multiples oxidando la pasta durante una o mas etapas del blanqueo con peroxido y un catalizador, donde existe al menos una etapa de blanqueo que sigue a la etapa de oxidacion; y fibra kraft de madera blanda blanqueada modificada.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CL2019000489A CL2019000489A1 (es) 2009-05-28 2019-02-22 Fibra kraft de madera blanda blanqueada modificada. (divisional solicitud 201103005)

Country Status (16)

Country Link
US (11) US8778136B2 (es)
EP (2) EP2435629B1 (es)
JP (7) JP5799009B2 (es)
KR (6) KR101797942B1 (es)
CN (2) CN102459754B (es)
AU (1) AU2010253926B2 (es)
BR (2) BRPI1012052A2 (es)
CA (2) CA2763024C (es)
CL (3) CL2011003005A1 (es)
CO (1) CO6480928A2 (es)
ES (1) ES2752755T3 (es)
IL (3) IL216554A (es)
MX (4) MX382645B (es)
RU (5) RU2549968C2 (es)
WO (1) WO2010138941A2 (es)
ZA (1) ZA201108788B (es)

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