FI944348A - Menetelmä kraft-massan valkaisemiseksi - Google Patents
Menetelmä kraft-massan valkaisemiseksi Download PDFInfo
- Publication number
- FI944348A FI944348A FI944348A FI944348A FI944348A FI 944348 A FI944348 A FI 944348A FI 944348 A FI944348 A FI 944348A FI 944348 A FI944348 A FI 944348A FI 944348 A FI944348 A FI 944348A
- Authority
- FI
- Finland
- Prior art keywords
- bleaching
- pulp
- procedure
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI944348A FI944348A (fi) | 1994-09-19 | 1994-09-19 | Menetelmä kraft-massan valkaisemiseksi |
FI950200A FI950200A (fi) | 1994-03-16 | 1995-01-17 | Menetelmä massan valkaisemiseksi |
CA002144677A CA2144677A1 (en) | 1994-03-16 | 1995-03-15 | Method of tcf or ecf bleaching of cellulose pulp |
SE9500927A SE9500927L (sv) | 1994-03-16 | 1995-03-16 | Förfarande för tcf- eller efc-blekning av massa |
CA002200327A CA2200327C (en) | 1994-09-19 | 1995-09-18 | Method of bleaching kraft pulp |
PCT/FI1995/000506 WO1996009434A1 (en) | 1994-09-19 | 1995-09-18 | Method of bleaching kraft pulp |
FI971023A FI971023A (fi) | 1994-09-19 | 1997-03-11 | Menetelmä kraft-massan valkaisemiseksi |
SE9700992A SE9700992L (sv) | 1994-09-19 | 1997-03-18 | Förfarande för blekning av kraftmassa |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI944348A FI944348A (fi) | 1994-09-19 | 1994-09-19 | Menetelmä kraft-massan valkaisemiseksi |
Publications (2)
Publication Number | Publication Date |
---|---|
FI944348A0 FI944348A0 (fi) | 1994-09-19 |
FI944348A true FI944348A (fi) | 1996-03-20 |
Family
ID=8541400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI944348A FI944348A (fi) | 1994-03-16 | 1994-09-19 | Menetelmä kraft-massan valkaisemiseksi |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA2200327C (fi) |
FI (1) | FI944348A (fi) |
SE (1) | SE9700992L (fi) |
WO (1) | WO1996009434A1 (fi) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2339064C (en) | 1998-06-17 | 2015-12-08 | Alex-Alt Biomass, Inc. | Arundo donax pulp, paper products, and particle board |
US20030029589A1 (en) * | 1998-06-17 | 2003-02-13 | Nile Fiber Pulp & Paper, Inc. | Total chlorine free bleaching of Arundo donax pulp |
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 |
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 |
RU2683654C2 (ru) | 2009-05-28 | 2019-04-01 | ДжиПи СЕЛЛЬЮЛОУС ГМБХ | Модифицированная целлюлоза из химического крафт-волокна и способы его изготовления и использования |
US9512237B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Method for inhibiting the growth of microbes with a modified cellulose fiber |
EP2714987B1 (en) | 2011-05-23 | 2015-07-29 | GP Cellulose GmbH | Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same |
EP2802708B1 (en) | 2012-01-12 | 2020-12-23 | GP Cellulose GmbH | A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same |
WO2013158384A1 (en) | 2012-04-18 | 2013-10-24 | Georgia-Pacific Consumer Products Lp | The use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products |
RU2018117289A (ru) | 2013-02-08 | 2018-10-26 | ДжиПи СЕЛЛЬЮЛОУС ГМБХ | КРАФТ-ВОЛОКНО ДРЕВЕСИНЫ ХВОЙНЫХ ПОРОД С УЛУЧШЕННЫМ СОДЕРЖАНИЕМ α-ЦЕЛЛЮЛОЗЫ И ЕГО ПРИМЕНЕНИЕ ПРИ ПРОИЗВОДСТВЕ ХИМИЧЕСКИХ ЦЕЛЛЮЛОЗНЫХ ПРОДУКТОВ |
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 |
BR112015020000A2 (pt) | 2013-03-15 | 2017-07-18 | Gp Cellulose Gmbh | fibra kraft quimicamente modificada e métodos de fabricação da mesma |
WO2018093697A1 (en) | 2016-11-16 | 2018-05-24 | Gp Cellulose Gmbh | Modified cellulose from chemical fiber and methods of making and using the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE420430B (sv) * | 1978-02-17 | 1981-10-05 | Mo Och Domsjoe Ab | Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel |
US4427490A (en) * | 1978-04-07 | 1984-01-24 | International Paper Company | Delignification and bleaching process for lignocellulosic pulp with peroxide in the presence of metal additives |
DE3428352A1 (de) * | 1984-08-01 | 1986-02-13 | Degussa Ag, 6000 Frankfurt | Verfahren zur delignifizierung und bleiche von zellstoffen |
FR2655668B1 (fr) * | 1989-12-11 | 1995-06-09 | Du Pin Cellulose | Procede de blanchiment de pates cellulosiques chimiques. |
-
1994
- 1994-09-19 FI FI944348A patent/FI944348A/fi not_active Application Discontinuation
-
1995
- 1995-09-18 WO PCT/FI1995/000506 patent/WO1996009434A1/en active Application Filing
- 1995-09-18 CA CA002200327A patent/CA2200327C/en not_active Expired - Fee Related
-
1997
- 1997-03-18 SE SE9700992A patent/SE9700992L/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA2200327C (en) | 2002-03-19 |
CA2200327A1 (en) | 1996-03-28 |
SE9700992D0 (sv) | 1997-03-18 |
SE9700992L (sv) | 1997-05-16 |
FI944348A0 (fi) | 1994-09-19 |
WO1996009434A1 (en) | 1996-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: AHLSTROM MACHINERY OY |
|
FD | Application lapsed |