ZA923073B - Process for bleaching of lignocellulose-containing pulp - Google Patents
Process for bleaching of lignocellulose-containing pulpInfo
- Publication number
- ZA923073B ZA923073B ZA923073A ZA923073A ZA923073B ZA 923073 B ZA923073 B ZA 923073B ZA 923073 A ZA923073 A ZA 923073A ZA 923073 A ZA923073 A ZA 923073A ZA 923073 B ZA923073 B ZA 923073B
- Authority
- ZA
- South Africa
- Prior art keywords
- pulp
- chlorine
- bleaching agent
- lignocellulose
- free bleaching
- 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
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Paper (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Stringed Musical Instruments (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Materials For Medical Uses (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Noodles (AREA)
Applications Claiming Priority (1)
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA923073B true ZA923073B (en) | 1992-12-30 |
Family
ID=20382601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA923073A ZA923073B (en) | 1991-04-30 | 1992-04-28 | Process for bleaching of lignocellulose-containing pulp |
Country Status (14)
Country | Link |
---|---|
EP (2) | EP0679760B1 (sv) |
JP (1) | JP2592747B2 (sv) |
AT (2) | ATE173518T1 (sv) |
BR (1) | BR9201554A (sv) |
CA (1) | CA2067296C (sv) |
DE (2) | DE69213080D1 (sv) |
ES (1) | ES2091395T3 (sv) |
FI (1) | FI111964B (sv) |
MX (1) | MX9201966A (sv) |
NO (1) | NO180495C (sv) |
NZ (1) | NZ242465A (sv) |
RU (1) | RU2039141C1 (sv) |
SE (1) | SE470065C (sv) |
ZA (1) | ZA923073B (sv) |
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 |
EP0622491B2 (en) * | 1993-04-20 | 2002-07-17 | Eka Chemicals AB | Method for bleaching lignocellulose-containing pulp |
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 |
FI102301B1 (sv) * | 1994-10-13 | 1998-11-13 | Ahlstrom Machinery Oy | Förfarande för behandling av cellulosamassor |
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 (sv) * | 1995-10-20 | 2000-09-29 | Ahlstrom Machinery Oy | Förfarande och anordning för behandling av massa |
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 |
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 |
MX357819B (es) | 2009-05-28 | 2018-07-25 | Gp Cellulose Gmbh Star | Celulosa modificada a partir de fibra kraft química y métodos para elaborarla y su uso. |
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 |
US9512237B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Method for inhibiting the growth of microbes with a modified cellulose fiber |
CN103703184B (zh) | 2011-05-23 | 2016-09-07 | Gp纤维素股份有限公司 | 具有改进的白度和亮度的针叶树材牛皮纸纤维及其制造和使用方法 |
AU2013207797B2 (en) | 2012-01-12 | 2017-05-25 | Gp Cellulose Gmbh | A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same |
AU2013249725B2 (en) | 2012-04-18 | 2017-04-20 | Gp Cellulose Gmbh | 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 |
CA2884748C (en) * | 2012-09-27 | 2017-01-10 | Andritz Inc. | Chemical treatment of lignocellulosic fiber bundle material, and methods and systems relating thereto |
JP6472758B2 (ja) | 2013-02-08 | 2019-02-20 | ゲーペー ツェルローゼ ゲーエムベーハー | 改善されたα−セルロース含量を有する軟材クラフト繊維およびその化学セルロース製品の生産における使用 |
AU2014229520B2 (en) | 2013-03-14 | 2017-09-21 | Gp Cellulose Gmbh | A method of making highly functional, low viscosity kraft fiber using an acidic bleaching sequence and a fiber made by the process |
MX357604B (es) | 2013-03-15 | 2018-07-16 | Gp Cellulose Gmbh | Una fibra kraft de baja viscosidad que tiene un contenido de carboxilo mejorado, y metodos para fabricar y usar la misma. |
EP3356596A1 (en) * | 2015-09-30 | 2018-08-08 | Imerys Minerals Limited | Methods for bleaching aqueous pulps and compositions for use in these methods |
CA3040734A1 (en) | 2016-11-16 | 2018-05-24 | 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 (sv) * | 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 ES ES92201005T patent/ES2091395T3/es not_active Expired - Lifetime
- 1992-04-08 AT AT94203640T patent/ATE173518T1/de not_active IP Right Cessation
- 1992-04-08 AT AT92201005T patent/ATE141971T1/de not_active IP Right Cessation
- 1992-04-08 EP EP94203640A patent/EP0679760B1/en not_active Expired - Lifetime
- 1992-04-08 EP EP92201005A patent/EP0511695B2/en not_active Expired - Lifetime
- 1992-04-08 DE DE69213080T patent/DE69213080D1/de not_active Expired - Lifetime
- 1992-04-08 DE DE69227640T patent/DE69227640T2/de not_active Expired - Fee Related
- 1992-04-23 NZ NZ242465A patent/NZ242465A/en unknown
- 1992-04-27 CA CA002067296A patent/CA2067296C/en not_active Expired - Fee Related
- 1992-04-27 FI FI921886A patent/FI111964B/sv active
- 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
- 1992-04-28 BR BR929201554A patent/BR9201554A/pt not_active IP Right Cessation
- 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 |
---|---|
NO180495C (no) | 2003-06-06 |
FI921886A (fi) | 1992-10-31 |
ATE173518T1 (de) | 1998-12-15 |
DE69227640T2 (de) | 1999-05-06 |
CA2067296C (en) | 1997-03-04 |
JPH05148784A (ja) | 1993-06-15 |
EP0511695B2 (en) | 2004-06-02 |
FI111964B (sv) | 2003-10-15 |
EP0511695A1 (en) | 1992-11-04 |
NO180495B (no) | 1997-01-20 |
BR9201554A (pt) | 1992-12-01 |
JP2592747B2 (ja) | 1997-03-19 |
CA2067296A1 (en) | 1992-10-31 |
NZ242465A (en) | 1993-12-23 |
SE9101301L (sv) | 1992-10-31 |
NO921671L (no) | 1992-11-02 |
FI921886A0 (fi) | 1992-04-27 |
DE69213080D1 (de) | 1996-10-02 |
AU651192B2 (en) | 1994-07-14 |
RU2039141C1 (ru) | 1995-07-09 |
EP0679760B1 (en) | 1998-11-18 |
EP0679760A1 (en) | 1995-11-02 |
ATE141971T1 (de) | 1996-09-15 |
SE470065B (sv) | 1993-11-01 |
NO921671D0 (no) | 1992-04-29 |
SE470065C (sv) | 1996-01-15 |
EP0511695B1 (en) | 1996-08-28 |
AU1514992A (en) | 1993-03-11 |
MX9201966A (es) | 1992-11-01 |
DE69227640D1 (de) | 1998-12-24 |
ES2091395T3 (es) | 1996-11-01 |
SE9101301D0 (sv) | 1991-04-30 |
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