AU2964597A - Process for the bleaching of high yield pulp or recycled paper pulp - Google Patents

Process for the bleaching of high yield pulp or recycled paper pulp

Info

Publication number
AU2964597A
AU2964597A AU29645/97A AU2964597A AU2964597A AU 2964597 A AU2964597 A AU 2964597A AU 29645/97 A AU29645/97 A AU 29645/97A AU 2964597 A AU2964597 A AU 2964597A AU 2964597 A AU2964597 A AU 2964597A
Authority
AU
Australia
Prior art keywords
pulp
bleaching
high yield
recycled paper
paper 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
AU29645/97A
Inventor
Reijo Aksela
Jukka Jakara
Aarto Paren
Ilkka Renvall
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.)
Kemira Chemicals Oy
Original Assignee
Kemira Chemicals Oy
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
Priority claimed from FI962261A external-priority patent/FI112075B/en
Application filed by Kemira Chemicals Oy filed Critical Kemira Chemicals Oy
Publication of AU2964597A publication Critical patent/AU2964597A/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU29645/97A 1996-05-30 1997-05-30 Process for the bleaching of high yield pulp or recycled paper pulp Abandoned AU2964597A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FI962261 1996-05-30
FI962261A FI112075B (en) 1996-05-30 1996-05-30 N-bis or N-tris [(1,2-dicarboxyl-ethoxy) -ethyl] amine derivatives, preparation and use thereof
FI970304A FI105932B (en) 1996-05-30 1997-01-24 A process for bleaching high yield or recycled pulp
FI970304 1997-01-24
PCT/FI1997/000334 WO1997045585A1 (en) 1996-05-30 1997-05-30 Process for the bleaching of high yield pulp or recycled paper pulp

Publications (1)

Publication Number Publication Date
AU2964597A true AU2964597A (en) 1998-01-05

Family

ID=26160165

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29645/97A Abandoned AU2964597A (en) 1996-05-30 1997-05-30 Process for the bleaching of high yield pulp or recycled paper pulp

Country Status (3)

Country Link
AU (1) AU2964597A (en)
FI (1) FI105932B (en)
WO (1) WO1997045585A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106258B (en) * 1998-03-09 2000-12-29 Kemira Chemicals Oy Processes for the preparation of an N-bis- [2- (1,2-dicarboxyethoxy) ethyl] amine derivative and products obtained by the methods and uses thereof
EP2787120A1 (en) 2008-06-20 2014-10-08 International Paper Company Recording sheet with improved optical properties
FI122829B (en) 2010-06-02 2012-07-31 Kemira Oyj Process for preparing a mixture of chelating agents

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1340348C (en) * 1989-03-23 1999-01-26 Michel Barbe Bleaching process for the production of high bright pulps
DE4340043A1 (en) * 1993-11-24 1995-06-01 Henkel Kgaa Use of nitrogen-containing complexing agents in wood pulp bleaching
CA2173824A1 (en) * 1995-04-27 1996-10-28 Brian A. Parker Ethylenediaminetriacetic acid and salts thereof as chelating agents in pulp bleaching

Also Published As

Publication number Publication date
FI105932B (en) 2000-10-31
FI970304A0 (en) 1997-01-24
WO1997045585A1 (en) 1997-12-04
FI970304A (en) 1997-12-01

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