ES2300713T3 - Activador para el blanqueado de pasta de papel. - Google Patents

Activador para el blanqueado de pasta de papel. Download PDF

Info

Publication number
ES2300713T3
ES2300713T3 ES04253546T ES04253546T ES2300713T3 ES 2300713 T3 ES2300713 T3 ES 2300713T3 ES 04253546 T ES04253546 T ES 04253546T ES 04253546 T ES04253546 T ES 04253546T ES 2300713 T3 ES2300713 T3 ES 2300713T3
Authority
ES
Spain
Prior art keywords
anhydride
solution
weight
acid
previous
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.)
Expired - Lifetime
Application number
ES04253546T
Other languages
English (en)
Spanish (es)
Inventor
Alan Michael Marland
Alison Jane Mathews
Gary Miller
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
Application granted granted Critical
Publication of ES2300713T3 publication Critical patent/ES2300713T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21C9/16—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)
  • Detergent Compositions (AREA)
  • Polyurethanes Or Polyureas (AREA)
ES04253546T 2004-06-14 2004-06-14 Activador para el blanqueado de pasta de papel. Expired - Lifetime ES2300713T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04253546A EP1607519B1 (de) 2004-06-14 2004-06-14 Aktivator zum Zellstoffbleichen

Publications (1)

Publication Number Publication Date
ES2300713T3 true ES2300713T3 (es) 2008-06-16

Family

ID=34930404

Family Applications (1)

Application Number Title Priority Date Filing Date
ES04253546T Expired - Lifetime ES2300713T3 (es) 2004-06-14 2004-06-14 Activador para el blanqueado de pasta de papel.

Country Status (9)

Country Link
US (1) US20070246177A1 (de)
EP (1) EP1607519B1 (de)
AT (1) ATE386837T1 (de)
CA (1) CA2569467A1 (de)
DE (1) DE602004011911T9 (de)
ES (1) ES2300713T3 (de)
PL (1) PL1607519T3 (de)
PT (1) PT1607519E (de)
WO (1) WO2005121443A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8268122B2 (en) * 2005-12-02 2012-09-18 Akzo Nobel N.V. Process of producing high-yield pulp
DE102006028018A1 (de) * 2006-06-14 2007-12-20 Henkel Kgaa Aufhell-und/oder Färbemittel mit Estern und/oder Anhydriden
CA3178055A1 (en) * 2020-06-16 2021-12-23 Leif Robertsen Method for pitch control during bleaching

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2377038A (en) * 1941-09-15 1945-05-29 Du Pont Manufacture of peracids
US3227655A (en) * 1957-11-25 1966-01-04 Fmc Corp Process for preparation of a bleaching agent
US4294575A (en) * 1979-01-02 1981-10-13 Monsanto Company Peroxide stabilization
FR2457339A1 (fr) * 1979-05-25 1980-12-19 Interox Procede pour la delignification et le blanchiment de pates cellulosiques chimiques et semi-chimiques
JPH04108192A (ja) * 1990-04-25 1992-04-09 Hoechst Japan Ltd パルプの漂白法
WO1994012722A1 (en) * 1992-11-27 1994-06-09 Eka Nobel Ab Process for bleaching of lignocellulose-containing pulp
NZ258274A (en) 1992-11-27 1996-08-27 Eka Nobel Ab Delignifying and bleaching lignocellulose pulp using peracid delignification followed by treatment with a complexing agent then a chlorine-free bleach
GB2304126A (en) * 1995-08-10 1997-03-12 Warwick Int Group Pulp treatment process

Also Published As

Publication number Publication date
PT1607519E (pt) 2008-04-16
EP1607519A1 (de) 2005-12-21
US20070246177A1 (en) 2007-10-25
DE602004011911D1 (de) 2008-04-03
WO2005121443A1 (en) 2005-12-22
EP1607519B1 (de) 2008-02-20
ATE386837T1 (de) 2008-03-15
PL1607519T3 (pl) 2008-07-31
CA2569467A1 (en) 2005-12-22
DE602004011911T2 (de) 2008-08-28
DE602004011911T9 (de) 2009-01-02

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