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FI20030040A0 - Menetelmä selluloosakuitumateriaalin valkaisemiseksi - Google Patents

Menetelmä selluloosakuitumateriaalin valkaisemiseksi

Info

Publication number
FI20030040A0
FI20030040A0 FI20030040A FI20030040A FI20030040A0 FI 20030040 A0 FI20030040 A0 FI 20030040A0 FI 20030040 A FI20030040 A FI 20030040A FI 20030040 A FI20030040 A FI 20030040A FI 20030040 A0 FI20030040 A0 FI 20030040A0
Authority
FI
Finland
Prior art keywords
fiber material
cellulose fiber
bleaching cellulose
bleaching
fiber
Prior art date
Application number
FI20030040A
Other languages
English (en)
Swedish (sv)
Other versions
FI20030040L (fi
FI117393B (fi
Inventor
Aarto Paren
Jukka Jaekaerae
Ilkka Renvall
Jonni Ahlgren
Riitta Laitinen
Jussi Nikkarinen
Tapio Viitanen
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
Application filed by Kemira Chemicals Oy filed Critical Kemira Chemicals Oy
Priority to FI20030040A priority Critical patent/FI117393B/fi
Publication of FI20030040A0 publication Critical patent/FI20030040A0/fi
Priority to PCT/FI2004/000010 priority patent/WO2004063461A1/en
Priority to US10/541,775 priority patent/US7754048B2/en
Priority to CA2512141A priority patent/CA2512141C/en
Priority to EP04701020A priority patent/EP1581693B1/en
Publication of FI20030040L publication Critical patent/FI20030040L/fi
Application granted granted Critical
Publication of FI117393B publication Critical patent/FI117393B/fi

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
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FI20030040A 2003-01-10 2003-01-10 Menetelmä selluloosakuitumateriaalin valkaisemiseksi FI117393B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20030040A FI117393B (fi) 2003-01-10 2003-01-10 Menetelmä selluloosakuitumateriaalin valkaisemiseksi
PCT/FI2004/000010 WO2004063461A1 (en) 2003-01-10 2004-01-09 Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser
US10/541,775 US7754048B2 (en) 2003-01-10 2004-01-09 Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser
CA2512141A CA2512141C (en) 2003-01-10 2004-01-09 Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser
EP04701020A EP1581693B1 (en) 2003-01-10 2004-01-09 Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20030040 2003-01-10
FI20030040A FI117393B (fi) 2003-01-10 2003-01-10 Menetelmä selluloosakuitumateriaalin valkaisemiseksi

Publications (3)

Publication Number Publication Date
FI20030040A0 true FI20030040A0 (fi) 2003-01-10
FI20030040L FI20030040L (fi) 2004-07-11
FI117393B FI117393B (fi) 2006-09-29

Family

ID=8565303

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20030040A FI117393B (fi) 2003-01-10 2003-01-10 Menetelmä selluloosakuitumateriaalin valkaisemiseksi

Country Status (5)

Country Link
US (1) US7754048B2 (fi)
EP (1) EP1581693B1 (fi)
CA (1) CA2512141C (fi)
FI (1) FI117393B (fi)
WO (1) WO2004063461A1 (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20040833A7 (fi) * 2004-06-16 2005-12-17 Kemira Oyj Keräyspaperin siistausmenetelmä
FI119375B (fi) * 2007-02-02 2008-10-31 Kemira Oyj Uusi koostumus ja menetelmä kuitumateriaalin käsittelemiseksi
WO2008101952A1 (en) * 2007-02-21 2008-08-28 Solvay (Societe Anonyme) Process for the bleaching of paper pulp
US8298373B2 (en) * 2008-02-07 2012-10-30 University Of New Brunswick Combined process of peroxide bleaching of wood pulps and addition of optical brightening agents
AT515180B1 (de) 2013-10-15 2016-06-15 Chemiefaser Lenzing Ag Dreidimensionaler cellulosischer Formkörper, Verfahren zu seiner Herstellung und seine Verwendung
AT515174B1 (de) 2013-10-15 2019-05-15 Chemiefaser Lenzing Ag Cellulosesuspension, Verfahren zu ihrer Herstellung und Verwendung
AT515152B1 (de) * 2013-11-26 2015-12-15 Chemiefaser Lenzing Ag Verfahren zum Vorbehandeln von rückgewonnenen Baumwollfasern zur Verwendung bei der Herstellung von Formkörpern aus regenerierter Cellulose
US20150322626A1 (en) * 2014-05-06 2015-11-12 Weyerhaeuser Nr Company Reduced furfural content in polyacrylic acid crosslinked cellulose fibers
AT517020B1 (de) 2015-02-06 2020-02-15 Chemiefaser Lenzing Ag Recycling von cellulosischen Kunstfasern
AU2024209774A1 (en) * 2023-01-20 2025-06-26 Ecolab Usa Inc. Improved scale inhibition for pulp digesters
WO2026001710A1 (zh) * 2024-06-24 2026-01-02 凯米拉公司 组合物及其用途

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE850066A (fr) * 1976-01-16 1977-07-04 Solvay Procede pour la regeneration des vieux papiers
LU74434A1 (fi) * 1976-02-25 1977-09-12
US4238282A (en) * 1979-07-23 1980-12-09 Nalco Chemical Company Chemical treatments in bleaching stages which increase pulp brightness
DE3423452A1 (de) 1984-06-26 1986-01-02 Sandoz-Patent-GmbH, 7850 Lörrach Stabilisierende mischung zur peroxidbleiche zellulosehaltiger materialien
DE3720806C2 (de) * 1986-07-03 1997-08-21 Clariant Finance Bvi Ltd Verwendung eines Stabilisators in Peroxydbleichverfahren
JPH0791557B2 (ja) 1989-08-25 1995-10-04 日華化学株式会社 繊維製品用洗浄性向上剤
DE19528843A1 (de) 1995-08-04 1997-02-06 Cht R Beitlich Gmbh Verfahren zur Stabilisierung von alkalischen peroxidenthaltenden Bleichflotten für die Bleiche von Zellstoffen und anderen Faserstoffen
FR2747407B1 (fr) 1996-04-12 1998-05-07 Atochem Elf Sa Procede de delignification et de blanchiment de pates a papier chimiques
JPH108092A (ja) * 1996-06-21 1998-01-13 Mitsubishi Paper Mills Ltd 過酸化物漂白用安定化剤及びそれを用いた繊維系物質の漂白方法
US6444771B1 (en) * 1998-09-08 2002-09-03 Nippon Shokubai Co. Ltd. Acrylic acid-maleic acid copolymer (or its salt), its production process and use, and production process for aqueous maleic salt solution with low impurity content

Also Published As

Publication number Publication date
EP1581693B1 (en) 2012-07-25
CA2512141A1 (en) 2004-07-29
FI20030040L (fi) 2004-07-11
US7754048B2 (en) 2010-07-13
WO2004063461A1 (en) 2004-07-29
FI117393B (fi) 2006-09-29
US20060144534A1 (en) 2006-07-06
EP1581693A1 (en) 2005-10-05
CA2512141C (en) 2010-12-21

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