FI20030040A0 - Menetelmä selluloosakuitumateriaalin valkaisemiseksi - Google Patents
Menetelmä selluloosakuitumateriaalin valkaisemiseksiInfo
- 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
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
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 |
CA2512141A CA2512141C (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 |
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 |
---|---|---|---|
FI20030040A FI117393B (fi) | 2003-01-10 | 2003-01-10 | Menetelmä selluloosakuitumateriaalin valkaisemiseksi |
FI20030040 | 2003-01-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20030040A0 true FI20030040A0 (fi) | 2003-01-10 |
FI20030040A FI20030040A (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 (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI20040833A0 (fi) * | 2004-06-16 | 2004-06-16 | Kemira Oyj | Keräyspaperin siistausmenetelmä |
FI119375B (fi) * | 2007-02-02 | 2008-10-31 | Kemira Oyj | Uusi koostumus ja menetelmä kuitumateriaalin käsittelemiseksi |
US20100101743A1 (en) * | 2007-02-21 | 2010-04-29 | 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 |
AT515174B1 (de) | 2013-10-15 | 2019-05-15 | Chemiefaser Lenzing Ag | Cellulosesuspension, Verfahren zu ihrer Herstellung und Verwendung |
AT515180B1 (de) | 2013-10-15 | 2016-06-15 | Chemiefaser Lenzing Ag | Dreidimensionaler cellulosischer Formkörper, Verfahren zu seiner Herstellung und seine 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 |
Family Cites Families (10)
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 |
-
2003
- 2003-01-10 FI FI20030040A patent/FI117393B/fi active IP Right Grant
-
2004
- 2004-01-09 EP EP04701020A patent/EP1581693B1/en not_active Expired - Lifetime
- 2004-01-09 CA CA2512141A patent/CA2512141C/en not_active Expired - Lifetime
- 2004-01-09 US US10/541,775 patent/US7754048B2/en active Active
- 2004-01-09 WO PCT/FI2004/000010 patent/WO2004063461A1/en active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
FI20030040A (fi) | 2004-07-11 |
WO2004063461A1 (en) | 2004-07-29 |
EP1581693B1 (en) | 2012-07-25 |
US20060144534A1 (en) | 2006-07-06 |
EP1581693A1 (en) | 2005-10-05 |
US7754048B2 (en) | 2010-07-13 |
CA2512141A1 (en) | 2004-07-29 |
CA2512141C (en) | 2010-12-21 |
FI117393B (fi) | 2006-09-29 |
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Legal Events
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---|---|---|---|
FG | Patent granted |
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