AU2001256024A1 - Peroxide bleaching of wood pulp - Google Patents

Peroxide bleaching of wood pulp

Info

Publication number
AU2001256024A1
AU2001256024A1 AU2001256024A AU5602401A AU2001256024A1 AU 2001256024 A1 AU2001256024 A1 AU 2001256024A1 AU 2001256024 A AU2001256024 A AU 2001256024A AU 5602401 A AU5602401 A AU 5602401A AU 2001256024 A1 AU2001256024 A1 AU 2001256024A1
Authority
AU
Australia
Prior art keywords
wood pulp
peroxide bleaching
bleaching
peroxide
pulp
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
AU2001256024A
Inventor
Zhiqing Li
Yonghao Ni
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
Publication of AU2001256024A1 publication Critical patent/AU2001256024A1/en
Abandoned 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
    • D21C9/1026—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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU2001256024A 2000-05-04 2001-05-03 Peroxide bleaching of wood pulp Abandoned AU2001256024A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US56485300A 2000-05-04 2000-05-04
US09564853 2000-05-04
PCT/CA2001/000599 WO2001083881A2 (en) 2000-05-04 2001-05-03 Peroxide bleaching of wood pulp

Publications (1)

Publication Number Publication Date
AU2001256024A1 true AU2001256024A1 (en) 2001-11-12

Family

ID=24256156

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001256024A Abandoned AU2001256024A1 (en) 2000-05-04 2001-05-03 Peroxide bleaching of wood pulp

Country Status (2)

Country Link
AU (1) AU2001256024A1 (en)
WO (1) WO2001083881A2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO852330L (en) * 1985-06-10 1986-12-11 Papirind Forskningsinst PROCEDURES FOR PEROXIDE BLACKING OF CELLULOSE-CONTAINING Masses.
FR2661431B1 (en) * 1990-04-30 1992-07-17 Atochem HIGH-YIELD PAPER PULP HYDROGEN PEROXIDE BLEACHING PROCESS.
US5223091A (en) * 1991-11-25 1993-06-29 Macmillan Bloedel Limited Method of brightening mechanical pulp using silicate-free peroxide bleaching
FR2719854B1 (en) * 1994-05-11 1996-06-21 Atochem Elf Sa Process for the preparation of delignified and bleached chemical paper pulps.

Also Published As

Publication number Publication date
WO2001083881A2 (en) 2001-11-08
WO2001083881A3 (en) 2002-05-10

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