FI960756A - Menetelmä selluloosamateriaalin käsittelemiseksi - Google Patents
Menetelmä selluloosamateriaalin käsittelemiseksi Download PDFInfo
- Publication number
- FI960756A FI960756A FI960756A FI960756A FI960756A FI 960756 A FI960756 A FI 960756A FI 960756 A FI960756 A FI 960756A FI 960756 A FI960756 A FI 960756A FI 960756 A FI960756 A FI 960756A
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- treating
- cellulosic material
- delignification
- chelating agent
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
-
- 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)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Treatment Of Fiber Materials (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI960756A FI115469B (fi) | 1996-02-19 | 1996-02-19 | Menetelmä kemiallisen selluloosamateriaalin käsittelemiseksi |
PCT/FI1997/000106 WO1997030208A1 (en) | 1996-02-19 | 1997-02-19 | Process for the treatment of chemical pulp |
DE69725558T DE69725558T2 (de) | 1996-02-19 | 1997-02-19 | Verfahren zur behandlung von chemischem zellstoff |
EP97903408A EP0882151B1 (en) | 1996-02-19 | 1997-02-19 | Process for the treatment of chemical pulp |
AT97903408T ATE252176T1 (de) | 1996-02-19 | 1997-02-19 | Verfahren zur behandlung von chemischem zellstoff |
AU17973/97A AU1797397A (en) | 1996-02-19 | 1997-02-19 | Process for the treatment of chemical pulp |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI960756A FI115469B (fi) | 1996-02-19 | 1996-02-19 | Menetelmä kemiallisen selluloosamateriaalin käsittelemiseksi |
FI960756 | 1996-02-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI960756A0 FI960756A0 (fi) | 1996-02-19 |
FI960756A true FI960756A (fi) | 1997-08-20 |
FI115469B FI115469B (fi) | 2005-05-13 |
Family
ID=8545485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI960756A FI115469B (fi) | 1996-02-19 | 1996-02-19 | Menetelmä kemiallisen selluloosamateriaalin käsittelemiseksi |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0882151B1 (fi) |
AT (1) | ATE252176T1 (fi) |
AU (1) | AU1797397A (fi) |
DE (1) | DE69725558T2 (fi) |
FI (1) | FI115469B (fi) |
WO (1) | WO1997030208A1 (fi) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19630278A1 (de) * | 1996-07-26 | 1998-01-29 | Basf Ag | Komplexbildner für die Zellstoff- und Holzstoffbleiche, die Papierherstellung sowie das Deinking von Altpapier |
AU5657098A (en) * | 1997-11-25 | 1999-06-15 | Amylum Belgium N.V. | Improvements to the bleaching process for chemical pulp and intermediate pulp dispersions |
KR100260833B1 (ko) * | 1997-12-27 | 2000-07-01 | 차동천 | 고수율기계펄프의 제조방법 |
FI106258B (fi) | 1998-03-09 | 2000-12-29 | Kemira Chemicals Oy | Menetelmiä N-bis-[2-(1,2-dikarboksi-etoksi)-etyyli]amiinijohdannaisen valmistamiseksi sekä menetelmien tuotteet ja niiden käytöt |
BE1011784A3 (fr) * | 1998-03-10 | 2000-01-11 | Solvay | Procede de blanchiment de pate a papier. |
BE1011785A3 (fr) * | 1998-03-10 | 2000-01-11 | Solvay | Procede de blanchiment et/ou de delignification de pates a papier chimiques. |
EP1095184B1 (en) * | 1998-04-17 | 2003-10-15 | Alberta Research Council, Inc. | Method of producing lignocellulosic pulp from non-woody species |
FI991241A (fi) * | 1999-06-01 | 2000-12-02 | Aga Ab | Ligniinin valkaisu ja menetelmä paperin valmistamiseksi |
GB2391011A (en) * | 2002-07-19 | 2004-01-28 | Crosmill Ltd | Bleaching cellulose suspensions |
CN103088699B (zh) | 2008-06-20 | 2015-04-22 | 国际纸业公司 | 具有改良光学特性的组合物和记录片材 |
GB0901207D0 (en) | 2009-01-26 | 2009-03-11 | Innospec Ltd | Chelating agents and methods relating thereto |
US9512563B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Surface treated modified cellulose from chemical kraft fiber and methods of making and using same |
US9512237B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Method for inhibiting the growth of microbes with a modified cellulose fiber |
EP3636830A1 (en) | 2009-05-28 | 2020-04-15 | GP Cellulose GmbH | Modified cellulose from chemical kraft fiber and methods of making and using the same |
US9511167B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Modified cellulose from chemical kraft fiber and methods of making and using the same |
SE534885C2 (sv) * | 2009-11-11 | 2012-01-31 | Metso Paper Inc | Förfarande för att producera en pappersmassa från lignocellulosamaterial innehållande minst 0,5% SiO2 |
JP6379116B2 (ja) | 2013-03-14 | 2018-08-22 | ゲーペー ツェルローゼ ゲーエムベーハー | 酸性漂白シーケンスを使用する、高機能、低粘度クラフト繊維の作製方法およびそのプロセスによって作製される繊維 |
JP6521873B2 (ja) | 2013-03-15 | 2019-05-29 | ゲーペー ツェルローゼ ゲーエムベーハー | 増強されたカルボキシル含量を有する低粘度クラフト繊維ならびにその製造方法および使用方法 |
WO2015138335A1 (en) * | 2014-03-12 | 2015-09-17 | Gp Cellulose Gmbh | A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same |
US10865519B2 (en) | 2016-11-16 | 2020-12-15 | Gp Cellulose Gmbh | Modified cellulose from chemical fiber and methods of making and using the same |
CZ309643B6 (cs) * | 2021-07-21 | 2023-06-07 | Univerzita Pardubice | Hořečnaté sole derivátů asparagové kyseliny a jejich použití jako stabilizátorů peroxidu vodíku |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5362412A (en) * | 1991-04-17 | 1994-11-08 | Hampshire Chemical Corp. | Biodegradable bleach stabilizers for detergents |
GB9216408D0 (en) * | 1992-08-01 | 1992-09-16 | Procter & Gamble | Stabilized bleaching compositions |
DE4340043A1 (de) * | 1993-11-24 | 1995-06-01 | Henkel Kgaa | Verwendung Stickstoff-haltiger Komplexbildner bei der Holzstoffbleiche |
DE4445931A1 (de) * | 1994-12-22 | 1996-06-27 | Basf Ag | Verwendung von Hydroxyalkylaminocarbonsäuren als Komplexbildner |
-
1996
- 1996-02-19 FI FI960756A patent/FI115469B/fi not_active IP Right Cessation
-
1997
- 1997-02-19 DE DE69725558T patent/DE69725558T2/de not_active Expired - Lifetime
- 1997-02-19 AT AT97903408T patent/ATE252176T1/de not_active IP Right Cessation
- 1997-02-19 AU AU17973/97A patent/AU1797397A/en not_active Abandoned
- 1997-02-19 WO PCT/FI1997/000106 patent/WO1997030208A1/en active IP Right Grant
- 1997-02-19 EP EP97903408A patent/EP0882151B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE252176T1 (de) | 2003-11-15 |
FI960756A0 (fi) | 1996-02-19 |
DE69725558T2 (de) | 2004-08-05 |
AU1797397A (en) | 1997-09-02 |
EP0882151A1 (en) | 1998-12-09 |
EP0882151B1 (en) | 2003-10-15 |
WO1997030208A1 (en) | 1997-08-21 |
DE69725558D1 (de) | 2003-11-20 |
FI115469B (fi) | 2005-05-13 |
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