WO2005080672A3 - Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps - Google Patents
Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps Download PDFInfo
- Publication number
- WO2005080672A3 WO2005080672A3 PCT/FI2005/000112 FI2005000112W WO2005080672A3 WO 2005080672 A3 WO2005080672 A3 WO 2005080672A3 FI 2005000112 W FI2005000112 W FI 2005000112W WO 2005080672 A3 WO2005080672 A3 WO 2005080672A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- yield pulps
- reducing
- yield
- peroxide bleaching
- pulp
- 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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
-
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Steroid Compounds (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/590,297 US20070272378A1 (en) | 2004-02-24 | 2005-02-23 | Method for Reducing the Extractives Content of High-Yield Pulps and Method for Producing Bleached High-Yield Pulps |
BRPI0507851-2A BRPI0507851A (en) | 2004-02-24 | 2005-02-23 | method for reducing the content of high yield pulp extractive materials and method for producing bleached high yield pulps |
EP05717239A EP1718801B1 (en) | 2004-02-24 | 2005-02-23 | Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps |
DE602005002933T DE602005002933T2 (en) | 2004-02-24 | 2005-02-23 | METHOD OF REDUCING THE EXTRACT CONTENT OF HIGH-PURITY CELL MATERIALS AND METHOD FOR PRODUCING BLEACHED HIGH-LIQUID PULPES |
CA2553662A CA2553662C (en) | 2004-02-24 | 2005-02-23 | Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20040282A FI121385B (en) | 2004-02-24 | 2004-02-24 | Process for Reducing Extract Substance in High Yield Masses and Process for Preparing Bleached High Yield Masses |
FI20040282 | 2004-02-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005080672A2 WO2005080672A2 (en) | 2005-09-01 |
WO2005080672A3 true WO2005080672A3 (en) | 2005-12-08 |
Family
ID=31725758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI2005/000112 WO2005080672A2 (en) | 2004-02-24 | 2005-02-23 | Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps |
Country Status (9)
Country | Link |
---|---|
US (1) | US20070272378A1 (en) |
EP (1) | EP1718801B1 (en) |
CN (1) | CN100591842C (en) |
AT (1) | ATE376094T1 (en) |
BR (1) | BRPI0507851A (en) |
CA (1) | CA2553662C (en) |
DE (1) | DE602005002933T2 (en) |
FI (1) | FI121385B (en) |
WO (1) | WO2005080672A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI20070126A0 (en) | 2006-09-08 | 2007-02-13 | Linde Ag | Process for de-pulping and using carbon dioxide or (bi) carbonate for this |
WO2013178875A1 (en) * | 2012-05-29 | 2013-12-05 | Kemira Oyj | A process for the treatment of fibre material and a new composition |
TW201610265A (en) | 2014-05-20 | 2016-03-16 | 喬治亞太平洋消費者產品公司 | Bleaching and shive reduction process for non-wood fibers |
TW201544652A (en) * | 2014-05-20 | 2015-12-01 | Georgia Pacific Consumer Prod | Bleaching and shive reduction process for non-wood fibers |
TW201610261A (en) | 2014-05-20 | 2016-03-16 | 喬治亞太平洋消費者產品公司 | Bleaching and shive reduction process for non-wood fibers |
KR102656393B1 (en) | 2017-09-11 | 2024-04-12 | 솔레니스 테크놀러지스, 엘.피. | Improved Oxygen Delignification Method for Chemical Wood Pulp |
EP3877586A4 (en) * | 2018-11-07 | 2022-06-29 | Kemira Oyj | A composition for use as peroxide stabilizer |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4363699A (en) * | 1976-02-25 | 1982-12-14 | Solvay & Cie. | Process for stabilizing solutions of peroxidic compounds used for bleaching |
DE3423452A1 (en) * | 1984-06-26 | 1986-01-02 | Sandoz-Patent-GmbH, 7850 Lörrach | Stabilising mixture for the peroxide bleaching of cellulose-containing materials |
US4963157A (en) * | 1987-04-17 | 1990-10-16 | Nippon Peroxide Co., Ltd. | Method for bleaching cellulosic fiber material with hydrogen peroxide |
JPH05331789A (en) * | 1992-05-27 | 1993-12-14 | Mitsubishi Gas Chem Co Inc | Method for deinking and bleaching printed waste paper |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5234544A (en) * | 1989-10-18 | 1993-08-10 | Air Products And Chemicals, Inc. | Cleaning and bleaching of secondary fiber |
DE4344029A1 (en) * | 1993-12-23 | 1995-06-29 | Grillo Werke Ag | Copolymers of unsaturated carboxylic acids, process for their preparation and their use |
CN1088484C (en) * | 1999-06-15 | 2002-07-31 | 杭州市化工研究所 | Resin obstruction controlling agent for paper making |
PT1268932E (en) * | 2000-03-23 | 2009-01-02 | Hercules Inc | Pitch and stickies control in pulp and papermaking processes |
-
2004
- 2004-02-24 FI FI20040282A patent/FI121385B/en active IP Right Grant
-
2005
- 2005-02-23 AT AT05717239T patent/ATE376094T1/en not_active IP Right Cessation
- 2005-02-23 CA CA2553662A patent/CA2553662C/en active Active
- 2005-02-23 CN CN200580005933A patent/CN100591842C/en active Active
- 2005-02-23 DE DE602005002933T patent/DE602005002933T2/en active Active
- 2005-02-23 US US10/590,297 patent/US20070272378A1/en not_active Abandoned
- 2005-02-23 BR BRPI0507851-2A patent/BRPI0507851A/en not_active IP Right Cessation
- 2005-02-23 WO PCT/FI2005/000112 patent/WO2005080672A2/en active IP Right Grant
- 2005-02-23 EP EP05717239A patent/EP1718801B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4363699A (en) * | 1976-02-25 | 1982-12-14 | Solvay & Cie. | Process for stabilizing solutions of peroxidic compounds used for bleaching |
DE3423452A1 (en) * | 1984-06-26 | 1986-01-02 | Sandoz-Patent-GmbH, 7850 Lörrach | Stabilising mixture for the peroxide bleaching of cellulose-containing materials |
US4963157A (en) * | 1987-04-17 | 1990-10-16 | Nippon Peroxide Co., Ltd. | Method for bleaching cellulosic fiber material with hydrogen peroxide |
JPH05331789A (en) * | 1992-05-27 | 1993-12-14 | Mitsubishi Gas Chem Co Inc | Method for deinking and bleaching printed waste paper |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 018, no. 170 (C - 1182) 23 March 1994 (1994-03-23) * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0507851A (en) | 2007-07-10 |
WO2005080672A2 (en) | 2005-09-01 |
EP1718801B1 (en) | 2007-10-17 |
FI20040282A0 (en) | 2004-02-24 |
CA2553662C (en) | 2012-10-23 |
FI121385B (en) | 2010-10-29 |
CN100591842C (en) | 2010-02-24 |
CN1922359A (en) | 2007-02-28 |
ATE376094T1 (en) | 2007-11-15 |
US20070272378A1 (en) | 2007-11-29 |
EP1718801A2 (en) | 2006-11-08 |
DE602005002933D1 (en) | 2007-11-29 |
CA2553662A1 (en) | 2005-09-01 |
DE602005002933T2 (en) | 2008-07-24 |
FI20040282A (en) | 2005-08-25 |
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