FI111964B - Menetelmä lignoselluloosapitoisen massan valkaisemiseksi - Google Patents
Menetelmä lignoselluloosapitoisen massan valkaisemiseksi Download PDFInfo
- Publication number
- FI111964B FI111964B FI921886A FI921886A FI111964B FI 111964 B FI111964 B FI 111964B FI 921886 A FI921886 A FI 921886A FI 921886 A FI921886 A FI 921886A FI 111964 B FI111964 B FI 111964B
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- magnesium
- hydrogen peroxide
- process according
- water
- 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
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
-
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
-
- 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
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
-
- 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
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Stringed Musical Instruments (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Materials For Medical Uses (AREA)
- Noodles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9101301A SE470065C (sv) | 1991-04-30 | 1991-04-30 | Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning |
SE9101301 | 1991-04-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI921886A0 FI921886A0 (fi) | 1992-04-27 |
FI921886A FI921886A (fi) | 1992-10-31 |
FI111964B true FI111964B (fi) | 2003-10-15 |
Family
ID=20382601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI921886A FI111964B (fi) | 1991-04-30 | 1992-04-27 | Menetelmä lignoselluloosapitoisen massan valkaisemiseksi |
Country Status (14)
Country | Link |
---|---|
EP (2) | EP0511695B2 (de) |
JP (1) | JP2592747B2 (de) |
AT (2) | ATE173518T1 (de) |
BR (1) | BR9201554A (de) |
CA (1) | CA2067296C (de) |
DE (2) | DE69213080D1 (de) |
ES (1) | ES2091395T3 (de) |
FI (1) | FI111964B (de) |
MX (1) | MX9201966A (de) |
NO (1) | NO180495C (de) |
NZ (1) | NZ242465A (de) |
RU (1) | RU2039141C1 (de) |
SE (1) | SE470065C (de) |
ZA (1) | ZA923073B (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI89516B (fi) | 1989-05-10 | 1993-06-30 | Ahlstroem Oy | Foerfarande foer blekning av cellulosamassa med otson |
US6398908B1 (en) | 1991-04-30 | 2002-06-04 | Eka Nobel Ab | Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound |
SE500353C2 (sv) * | 1992-10-26 | 1994-06-06 | Sca Wifsta Oestrand Ab | Peroxidblekning av sulfatmassa med tillsats av magnesium före blekningen |
SE512137C2 (sv) * | 1992-10-29 | 2000-01-31 | Eka Chemicals Ab | Förfarande för blekning av lignocellulosahaltig massa |
SE9203366L (sv) * | 1992-11-11 | 1994-05-12 | Mo Och Domsjoe Ab | Förfarande vid delignifiering och/eller blekning av cellulosamassa |
US6007678A (en) * | 1992-11-27 | 1999-12-28 | Eka Nobel Ab | Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof |
DE69420306T2 (de) * | 1993-04-20 | 2000-04-20 | Eka Chemicals Ab | Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff |
SE500616C2 (sv) * | 1993-06-08 | 1994-07-25 | Kvaerner Pulping Tech | Blekning av kemisk massa med peroxid vid övertryck |
US6605181B1 (en) * | 1993-10-01 | 2003-08-12 | Kvaerner Pulping Aktiebolag | Peroxide bleach sequence including an acidic bleach stage and including a wash stage |
BE1007757A3 (fr) * | 1993-11-10 | 1995-10-17 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
US6776876B1 (en) | 1994-10-13 | 2004-08-17 | Andritz Oy | Method of treating cellulosic pulp to remove hexenuronic acid |
FI102301B (fi) * | 1994-10-13 | 1998-11-13 | Andritz Oy | Menetelmä selluloosamassojen käsittelemiseksi |
DE19516151A1 (de) * | 1995-05-03 | 1996-11-07 | Sven Siegle | Verfahren zur Herstellung einer Pulpe aus zellulosehaltigem Material, die Pulpe selbst und deren Verwendung |
FI105701B (fi) * | 1995-10-20 | 2000-09-29 | Ahlstrom Machinery Oy | Menetelmä ja laitteisto massan käsittelemiseksi |
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 |
BE1010679A3 (fr) * | 1996-10-11 | 1998-11-03 | Solvay Interox | Procede de delignification et de blanchiment de pate a papier chimique. |
ID23571A (id) * | 1997-08-25 | 2000-05-04 | Praxair Technology Inc | Metoda penerapan ozon dalam pemutihan ecf |
JP2002266272A (ja) * | 2001-03-12 | 2002-09-18 | Nippon Paper Industries Co Ltd | セルロース質繊維材料パルプの漂白方法 |
US6743332B2 (en) * | 2001-05-16 | 2004-06-01 | Weyerhaeuser Company | High temperature peroxide bleaching of mechanical pulps |
KR100547491B1 (ko) * | 2005-04-27 | 2006-01-31 | 이권혁 | 대나무를 이용하여 생산하는 섬유용 펄프의 제조방법 및 그 펄프 |
EP3636830A1 (de) | 2009-05-28 | 2020-04-15 | GP Cellulose GmbH | Modifizierte cellulose aus kraftzellstoff, ihre herstellung und verwendung |
US9512237B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Method for inhibiting the growth of microbes with a modified cellulose fiber |
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 |
JP6254078B2 (ja) | 2011-05-23 | 2017-12-27 | ゲーペー ツェルローゼ ゲーエムベーハー | 白色度および明度が改善された針葉樹クラフト繊維、ならびにそれを作製する方法および使用する方法 |
MX366988B (es) | 2012-01-12 | 2019-08-01 | Gp Cellulose Gmbh | Fibra kraft de baja viscosidad que tiene propiedades de amarillez reducida, y metodos para prepararla y usarla. |
EP2839071B1 (de) | 2012-04-18 | 2019-01-23 | GP Cellulose GmbH | Verwendung eines tensids zur behandlung von pulpe und zur verbesserung der aufnahme von kraft-pulpe in fasern zur herstellung von viskose und anderen sekundären faserprodukten |
JP6129323B2 (ja) * | 2012-09-27 | 2017-05-17 | アンドリッツ インコーポレーテッド | リグノセルロース系繊維束材料の化学的処理並びにそれに関する方法及びシステム |
KR102180512B1 (ko) | 2013-02-08 | 2020-11-19 | 게페 첼루로제 게엠베하 | 개선된 알파 셀룰로스 함량을 갖는 연재 크래프트 섬유 및 화학적 셀룰로스 제품의 생산에서의 그의 용도 |
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 |
WO2017055504A1 (en) * | 2015-09-30 | 2017-04-06 | Imerys Minerals Limited | Methods for bleaching aqueous pulps and compositions for use in these methods |
US10865519B2 (en) | 2016-11-16 | 2020-12-15 | Gp Cellulose Gmbh | Modified cellulose from chemical fiber and methods of making and using the same |
WO2021209586A1 (en) * | 2020-04-16 | 2021-10-21 | Bim Kemi Ab | Delignification process |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3507744A (en) * | 1966-04-01 | 1970-04-21 | Kimberly Clark Co | Wood pulp bleaching process utilizing peroxide pyrophosphate high concentration compositions |
SE335053B (de) * | 1969-05-13 | 1971-05-10 | Mo Och Domsjoe Ab | |
DE2742262C2 (de) * | 1977-09-20 | 1982-06-09 | Degussa Ag, 6000 Frankfurt | Verfahren zur Herstellung eines mittel- bis hochviskosen Nadelholz-Sulfitzellstoffs |
FR2520397A1 (fr) * | 1982-01-28 | 1983-07-29 | Centre Tech Ind Papier | Procede pour le traitement de pates papetieres chimiques |
FR2557605B1 (fr) * | 1983-12-29 | 1987-12-11 | Atochem | Procede de blanchiment de pates papetieres par le peroxyde d'hydrogene |
JPH0364589A (ja) * | 1989-07-28 | 1991-03-19 | Mitsubishi Gas Chem Co Inc | 化学パルプの漂白方法 |
-
1991
- 1991-04-30 SE SE9101301A patent/SE470065C/sv not_active IP Right Cessation
-
1992
- 1992-04-08 DE DE69213080T patent/DE69213080D1/de not_active Expired - Lifetime
- 1992-04-08 EP EP92201005A patent/EP0511695B2/de not_active Expired - Lifetime
- 1992-04-08 EP EP94203640A patent/EP0679760B1/de not_active Expired - Lifetime
- 1992-04-08 AT AT94203640T patent/ATE173518T1/de not_active IP Right Cessation
- 1992-04-08 ES ES92201005T patent/ES2091395T3/es not_active Expired - Lifetime
- 1992-04-08 DE DE69227640T patent/DE69227640T2/de not_active Expired - Fee Related
- 1992-04-08 AT AT92201005T patent/ATE141971T1/de not_active IP Right Cessation
- 1992-04-23 NZ NZ242465A patent/NZ242465A/en unknown
- 1992-04-27 FI FI921886A patent/FI111964B/fi active
- 1992-04-27 CA CA002067296A patent/CA2067296C/en not_active Expired - Fee Related
- 1992-04-28 BR BR929201554A patent/BR9201554A/pt not_active IP Right Cessation
- 1992-04-28 JP JP4134325A patent/JP2592747B2/ja not_active Expired - Fee Related
- 1992-04-28 ZA ZA923073A patent/ZA923073B/xx unknown
- 1992-04-28 MX MX9201966A patent/MX9201966A/es unknown
- 1992-04-29 RU SU925011770A patent/RU2039141C1/ru not_active IP Right Cessation
- 1992-04-29 NO NO19921671A patent/NO180495C/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0511695B2 (de) | 2004-06-02 |
ATE141971T1 (de) | 1996-09-15 |
NO921671L (no) | 1992-11-02 |
CA2067296C (en) | 1997-03-04 |
AU651192B2 (en) | 1994-07-14 |
SE9101301L (sv) | 1992-10-31 |
EP0511695B1 (de) | 1996-08-28 |
EP0511695A1 (de) | 1992-11-04 |
FI921886A (fi) | 1992-10-31 |
SE470065C (sv) | 1996-01-15 |
DE69213080D1 (de) | 1996-10-02 |
DE69227640T2 (de) | 1999-05-06 |
DE69227640D1 (de) | 1998-12-24 |
FI921886A0 (fi) | 1992-04-27 |
NO180495C (no) | 2003-06-06 |
BR9201554A (pt) | 1992-12-01 |
CA2067296A1 (en) | 1992-10-31 |
EP0679760A1 (de) | 1995-11-02 |
RU2039141C1 (ru) | 1995-07-09 |
NZ242465A (en) | 1993-12-23 |
ZA923073B (en) | 1992-12-30 |
ATE173518T1 (de) | 1998-12-15 |
SE470065B (sv) | 1993-11-01 |
NO921671D0 (no) | 1992-04-29 |
SE9101301D0 (sv) | 1991-04-30 |
EP0679760B1 (de) | 1998-11-18 |
NO180495B (no) | 1997-01-20 |
ES2091395T3 (es) | 1996-11-01 |
JP2592747B2 (ja) | 1997-03-19 |
AU1514992A (en) | 1993-03-11 |
MX9201966A (es) | 1992-11-01 |
JPH05148784A (ja) | 1993-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RF | Appeal filed | ||
FCK | Appeal rejected |
Free format text: APPLICATION REJECTED |