DE602004011911D1 - Aktivator zum Zellstoffbleichen - Google Patents

Aktivator zum Zellstoffbleichen

Info

Publication number
DE602004011911D1
DE602004011911D1 DE602004011911T DE602004011911T DE602004011911D1 DE 602004011911 D1 DE602004011911 D1 DE 602004011911D1 DE 602004011911 T DE602004011911 T DE 602004011911T DE 602004011911 T DE602004011911 T DE 602004011911T DE 602004011911 D1 DE602004011911 D1 DE 602004011911D1
Authority
DE
Germany
Prior art keywords
solution
hydrogen peroxide
mixing
water supply
activator
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
DE602004011911T
Other languages
English (en)
Other versions
DE602004011911T9 (de
DE602004011911T2 (de
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
Publication of DE602004011911D1 publication Critical patent/DE602004011911D1/de
Application granted granted Critical
Publication of DE602004011911T2 publication Critical patent/DE602004011911T2/de
Publication of DE602004011911T9 publication Critical patent/DE602004011911T9/de
Active 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)
DE602004011911T 2004-06-14 2004-06-14 Aktivator zum Zellstoffbleichen Active DE602004011911T9 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE602004011911D1 true DE602004011911D1 (de) 2008-04-03
DE602004011911T2 DE602004011911T2 (de) 2008-08-28
DE602004011911T9 DE602004011911T9 (de) 2009-01-02

Family

ID=34930404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004011911T Active DE602004011911T9 (de) 2004-06-14 2004-06-14 Aktivator zum Zellstoffbleichen

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115702272A (zh) * 2020-06-16 2023-02-14 凯米拉公司 用于在漂白期间控制树脂的方法

Families Citing this family (2)

* 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

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
US5785812A (en) 1992-11-27 1998-07-28 Eka Nobel Ab Process for treating oxygen delignified pulp using an organic peracid or salt, complexing agent and peroxide bleach sequence
RU2097463C1 (ru) * 1992-11-27 1997-11-27 Ека Нобель Актиеболаг Способ отбеливания лигноцеллюлозосодержащей пульпы
GB2304126A (en) * 1995-08-10 1997-03-12 Warwick Int Group Pulp treatment process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115702272A (zh) * 2020-06-16 2023-02-14 凯米拉公司 用于在漂白期间控制树脂的方法

Also Published As

Publication number Publication date
ATE386837T1 (de) 2008-03-15
EP1607519A1 (de) 2005-12-21
WO2005121443A1 (en) 2005-12-22
CA2569467A1 (en) 2005-12-22
PL1607519T3 (pl) 2008-07-31
DE602004011911T9 (de) 2009-01-02
PT1607519E (pt) 2008-04-16
US20070246177A1 (en) 2007-10-25
EP1607519B1 (de) 2008-02-20
ES2300713T3 (es) 2008-06-16
DE602004011911T2 (de) 2008-08-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition