CA2576882A1 - Composition et processus de blanchiment de la pate mecanique - Google Patents

Composition et processus de blanchiment de la pate mecanique Download PDF

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Publication number
CA2576882A1
CA2576882A1 CA 2576882 CA2576882A CA2576882A1 CA 2576882 A1 CA2576882 A1 CA 2576882A1 CA 2576882 CA2576882 CA 2576882 CA 2576882 A CA2576882 A CA 2576882A CA 2576882 A1 CA2576882 A1 CA 2576882A1
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CA
Canada
Prior art keywords
amino
bis
triazin
cas
stilbene
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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.)
Granted
Application number
CA 2576882
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English (en)
Other versions
CA2576882C (fr
Inventor
Mengjun Li
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.)
Individual
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Individual
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 Individual filed Critical Individual
Priority to CA2576882A priority Critical patent/CA2576882C/fr
Publication of CA2576882A1 publication Critical patent/CA2576882A1/fr
Application granted granted Critical
Publication of CA2576882C publication Critical patent/CA2576882C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA2576882A 2007-01-25 2007-01-25 Composition et processus de blanchiment de la pate mecanique Active CA2576882C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2576882A CA2576882C (fr) 2007-01-25 2007-01-25 Composition et processus de blanchiment de la pate mecanique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2576882A CA2576882C (fr) 2007-01-25 2007-01-25 Composition et processus de blanchiment de la pate mecanique

Publications (2)

Publication Number Publication Date
CA2576882A1 true CA2576882A1 (fr) 2008-07-25
CA2576882C CA2576882C (fr) 2011-05-03

Family

ID=39642827

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2576882A Active CA2576882C (fr) 2007-01-25 2007-01-25 Composition et processus de blanchiment de la pate mecanique

Country Status (1)

Country Link
CA (1) CA2576882C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2966467A1 (fr) * 2010-10-26 2012-04-27 Berkem Sa Composition pour le traitement du bois
US20150123037A1 (en) * 2013-11-06 2015-05-07 Meng Jun Li Novel FWA formulation used for the papermaking process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2966467A1 (fr) * 2010-10-26 2012-04-27 Berkem Sa Composition pour le traitement du bois
EP2447336A1 (fr) * 2010-10-26 2012-05-02 Berkem Composition pour le traitement du bois
US20150123037A1 (en) * 2013-11-06 2015-05-07 Meng Jun Li Novel FWA formulation used for the papermaking process
US9181656B2 (en) * 2013-11-06 2015-11-10 Meng Jun Li FWA formulation used for the papermaking process

Also Published As

Publication number Publication date
CA2576882C (fr) 2011-05-03

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