CA2620978A1 - Procede combine de blanchiment au peroxyde de pates de bois et ajout d'agents de blanchiment optiques - Google Patents

Procede combine de blanchiment au peroxyde de pates de bois et ajout d'agents de blanchiment optiques Download PDF

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Publication number
CA2620978A1
CA2620978A1 CA 2620978 CA2620978A CA2620978A1 CA 2620978 A1 CA2620978 A1 CA 2620978A1 CA 2620978 CA2620978 CA 2620978 CA 2620978 A CA2620978 A CA 2620978A CA 2620978 A1 CA2620978 A1 CA 2620978A1
Authority
CA
Canada
Prior art keywords
oba
hyp
pulp
peroxide bleaching
process according
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.)
Abandoned
Application number
CA 2620978
Other languages
English (en)
Inventor
Yonghao Ni
Zhibin He
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.)
University of New Brunswick
Original Assignee
University of New Brunswick
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 University of New Brunswick filed Critical University of New Brunswick
Priority to CA 2620978 priority Critical patent/CA2620978A1/fr
Publication of CA2620978A1 publication Critical patent/CA2620978A1/fr
Abandoned legal-status Critical Current

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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
    • 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
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1042—Use of chelating agents
    • 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
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA 2620978 2008-02-07 2008-02-07 Procede combine de blanchiment au peroxyde de pates de bois et ajout d'agents de blanchiment optiques Abandoned CA2620978A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2620978 CA2620978A1 (fr) 2008-02-07 2008-02-07 Procede combine de blanchiment au peroxyde de pates de bois et ajout d'agents de blanchiment optiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2620978 CA2620978A1 (fr) 2008-02-07 2008-02-07 Procede combine de blanchiment au peroxyde de pates de bois et ajout d'agents de blanchiment optiques

Publications (1)

Publication Number Publication Date
CA2620978A1 true CA2620978A1 (fr) 2009-08-07

Family

ID=40940192

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2620978 Abandoned CA2620978A1 (fr) 2008-02-07 2008-02-07 Procede combine de blanchiment au peroxyde de pates de bois et ajout d'agents de blanchiment optiques

Country Status (1)

Country Link
CA (1) CA2620978A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115948930A (zh) * 2022-12-14 2023-04-11 金东纸业（江苏）股份有限公司 纸浆的制备方法及纸浆

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115948930A (zh) * 2022-12-14 2023-04-11 金东纸业（江苏）股份有限公司 纸浆的制备方法及纸浆

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Legal Events

Date Code Title Description
FZDE Dead

Effective date: 20140207