AU2002343071A1 - Recycled fibre bleaching - Google Patents

Recycled fibre bleaching

Info

Publication number
AU2002343071A1
AU2002343071A1 AU2002343071A AU2002343071A AU2002343071A1 AU 2002343071 A1 AU2002343071 A1 AU 2002343071A1 AU 2002343071 A AU2002343071 A AU 2002343071A AU 2002343071 A AU2002343071 A AU 2002343071A AU 2002343071 A1 AU2002343071 A1 AU 2002343071A1
Authority
AU
Australia
Prior art keywords
recycled fibre
fibre bleaching
bleaching
recycled
fibre
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
AU2002343071A
Inventor
Christopher Baum
Isabel Elizabeth Chadwick
Barrie Coles
Alison Jane Mathews
Neil Anthony Turner
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.)
Warwick International Group Ltd
Original Assignee
Warwick International Group Ltd
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 Warwick International Group Ltd filed Critical Warwick International Group Ltd
Publication of AU2002343071A1 publication Critical patent/AU2002343071A1/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
    • D21C9/1057—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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • 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
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU2002343071A 2001-11-28 2002-11-22 Recycled fibre bleaching Abandoned AU2002343071A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0128513A GB0128513D0 (en) 2001-11-28 2001-11-28 Re-cycled fibre bleaching
GB0128513.9 2001-11-28
PCT/GB2002/005273 WO2003048450A1 (en) 2001-11-28 2002-11-22 Recycled fibre bleaching

Publications (1)

Publication Number Publication Date
AU2002343071A1 true AU2002343071A1 (en) 2003-06-17

Family

ID=9926622

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002343071A Abandoned AU2002343071A1 (en) 2001-11-28 2002-11-22 Recycled fibre bleaching

Country Status (3)

Country Link
AU (1) AU2002343071A1 (en)
GB (1) GB0128513D0 (en)
WO (1) WO2003048450A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007007654A1 (en) * 2007-02-13 2008-08-14 Voith Patent Gmbh FAS bleach
US9932709B2 (en) * 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
IT201600070454A1 (en) * 2016-07-06 2016-10-06 3V Sigma Spa PEROSSIGENATED COMPOUND ACTIVATORS

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5733412A (en) * 1995-09-13 1998-03-31 International Paper Company Decolorizing brown fibers in recycled pulp
FI104572B (en) * 1996-05-30 2000-02-29 Kemira Chemicals Oy Chemical pulp bleaching process

Also Published As

Publication number Publication date
GB0128513D0 (en) 2002-01-23
WO2003048450A1 (en) 2003-06-12

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase