AU3330599A - Method for bleaching and/or delignification of paper pulp - Google Patents

Method for bleaching and/or delignification of paper pulp

Info

Publication number
AU3330599A
AU3330599A AU33305/99A AU3330599A AU3330599A AU 3330599 A AU3330599 A AU 3330599A AU 33305/99 A AU33305/99 A AU 33305/99A AU 3330599 A AU3330599 A AU 3330599A AU 3330599 A AU3330599 A AU 3330599A
Authority
AU
Australia
Prior art keywords
delignification
bleaching
paper pulp
pulp
paper
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
AU33305/99A
Other languages
English (en)
Inventor
Eric Chauveheid
Johan Devenyns
Thierry Van Beckhoven
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.)
Solvay SA
Original Assignee
Solvay SA
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 Solvay SA filed Critical Solvay SA
Publication of AU3330599A publication Critical patent/AU3330599A/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
    • D21C9/1042—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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU33305/99A 1998-03-10 1999-03-06 Method for bleaching and/or delignification of paper pulp Abandoned AU3330599A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9800190 1998-03-10
BE9800190A BE1011785A3 (fr) 1998-03-10 1998-03-10 Procede de blanchiment et/ou de delignification de pates a papier chimiques.
PCT/EP1999/001612 WO1999046441A1 (fr) 1998-03-10 1999-03-06 Procede de blanchiment et/ou de delignification de pates a papier

Publications (1)

Publication Number Publication Date
AU3330599A true AU3330599A (en) 1999-09-27

Family

ID=3891148

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33305/99A Abandoned AU3330599A (en) 1998-03-10 1999-03-06 Method for bleaching and/or delignification of paper pulp

Country Status (5)

Country Link
EP (1) EP1062387A1 (fr)
AU (1) AU3330599A (fr)
BE (1) BE1011785A3 (fr)
WO (1) WO1999046441A1 (fr)
ZA (1) ZA991903B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1811080A1 (fr) * 2006-01-24 2007-07-25 Solvay SA Procédé de blanchiment de pate de papier mecanique
WO2009154898A1 (fr) 2008-06-20 2009-12-23 International Paper Company Composition et feuille d'impression présentant des propriétés optiques améliorées
GB0901207D0 (en) * 2009-01-26 2009-03-11 Innospec Ltd Chelating agents and methods relating thereto
EP2534296A1 (fr) 2010-02-12 2012-12-19 Dequest AG Procédé pour le blanchiment de pâte à papier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994028464A1 (fr) * 1993-05-20 1994-12-08 The Dow Chemical Company Chelateurs degradables derives de l'acide succinique, leurs utilisations et leurs compositions
SE9501623L (sv) * 1995-05-02 1996-11-03 Sunds Defibrator Ind Ab Blekning av massa
FI115469B (fi) * 1996-02-19 2005-05-13 Kemira Oyj Menetelmä kemiallisen selluloosamateriaalin käsittelemiseksi

Also Published As

Publication number Publication date
EP1062387A1 (fr) 2000-12-27
WO1999046441A1 (fr) 1999-09-16
BE1011785A3 (fr) 2000-01-11
ZA991903B (en) 2000-10-11

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