EP2689063A4 - Procédé et dispositif de traitement d'un filtrat après une délignification par l'oxygène d'une pâte chimique cuite à un nombre kappa élevé - Google Patents
Procédé et dispositif de traitement d'un filtrat après une délignification par l'oxygène d'une pâte chimique cuite à un nombre kappa élevéInfo
- Publication number
- EP2689063A4 EP2689063A4 EP12761412.1A EP12761412A EP2689063A4 EP 2689063 A4 EP2689063 A4 EP 2689063A4 EP 12761412 A EP12761412 A EP 12761412A EP 2689063 A4 EP2689063 A4 EP 2689063A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- arrangement
- chemical pulp
- kappa number
- oxygen delignification
- high kappa
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920001131 Pulp (paper) Polymers 0.000 title 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
- 239000000706 filtrate Substances 0.000 title 1
- 229910052760 oxygen Inorganic materials 0.000 title 1
- 239000001301 oxygen Substances 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
-
- 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
- D21C7/00—Digesters
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20115278A FI20115278A0 (fi) | 2011-03-22 | 2011-03-22 | Menetelmä ja järjestelmä massan käsittelemiseksi |
FI20115277A FI20115277A0 (fi) | 2011-03-22 | 2011-03-22 | Menetelmä ja järjestely massan käsittelemiseksi |
FI20115754A FI20115754A0 (fi) | 2011-03-22 | 2011-07-15 | Menetelmä ja järjestely kemiallisen massan käsittelemiseksi |
PCT/FI2012/050272 WO2012127111A1 (fr) | 2011-03-22 | 2012-03-21 | Procédé et dispositif de traitement d'un filtrat après une délignification par l'oxygène d'une pâte chimique cuite à un nombre kappa élevé |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2689063A1 EP2689063A1 (fr) | 2014-01-29 |
EP2689063A4 true EP2689063A4 (fr) | 2014-10-15 |
EP2689063B1 EP2689063B1 (fr) | 2017-08-16 |
Family
ID=44318420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12761412.1A Active EP2689063B1 (fr) | 2011-03-22 | 2012-03-21 | Procédé et dispositif de traitement d'un filtrat après une délignification par l'oxygène d'une pâte chimique cuite à un nombre kappa élevé |
Country Status (10)
Country | Link |
---|---|
US (1) | US20140102648A1 (fr) |
EP (1) | EP2689063B1 (fr) |
JP (1) | JP2014508866A (fr) |
CN (1) | CN103459711A (fr) |
BR (1) | BR112013023777A2 (fr) |
CA (1) | CA2830312A1 (fr) |
CL (1) | CL2013002640A1 (fr) |
FI (1) | FI20115754A0 (fr) |
RU (1) | RU2013146897A (fr) |
WO (1) | WO2012127111A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104345126B (zh) * | 2014-09-23 | 2016-02-17 | 周栋 | 一种快速评价楹木硫酸盐法制浆工艺的方法 |
CN104345125B (zh) * | 2014-09-23 | 2016-02-17 | 周栋 | 一种快速评价柳木硫酸盐法制浆工艺的方法 |
CN104330525B (zh) * | 2014-09-24 | 2016-03-23 | 梁朔 | 一种快速评价桉木烧碱蒽醌法制浆工艺的方法 |
CN104950857A (zh) * | 2015-06-24 | 2015-09-30 | 黄红林 | 一种基于软测量的制浆蒸煮控制方法 |
ES2959654T3 (es) * | 2016-05-27 | 2024-02-27 | Fibratech Pte Ltd | Un método y un sistema para la producción de lignina de alto peso molecular |
FI129846B (en) * | 2019-02-01 | 2022-09-30 | Andritz Oy | Method for producing oxidized lignin in kraft pulp mills |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1070909A (fr) * | 1976-05-04 | 1980-02-05 | Canadian Industries Limited | Delignification au bioxyde d'azote et a l'oxygene |
SE465815B (sv) * | 1985-04-04 | 1991-11-04 | Knut Lundquist | Foerfarande foer impregnering av trae med alkalilignin |
US5525195A (en) * | 1989-02-15 | 1996-06-11 | Union Camp Patent Holding, Inc. | Process for high consistency delignification using a low consistency alkali pretreatment |
US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
ZA92566B (en) * | 1991-02-01 | 1993-07-28 | Alcell Tech Inc | Pulping of lignocellulosic materials and recovery of resultant by-products. |
EP0530881A1 (fr) * | 1991-08-14 | 1993-03-10 | Union Camp Patent Holding, Inc. | Utilisation d'une presse de lavage pour un procédé d'addition d'alcali à une pâte à papier |
US5489363A (en) * | 1993-05-04 | 1996-02-06 | Kamyr, Inc. | Pulping with low dissolved solids for improved pulp strength |
CN1213197C (zh) * | 1999-02-15 | 2005-08-03 | 柯兰姆有限公司 | 木素纤维素材料的氧法制浆及回收制浆化学药品的方法 |
US6942754B2 (en) * | 1999-03-23 | 2005-09-13 | Oji Paper Co., Ltd. | Process for producing xylooligosaccharide from lignocellulose pulp |
WO2001059204A1 (fr) * | 2000-02-14 | 2001-08-16 | Kiram Ab | Procede de reduction en pate d'un materiau lignocellulosique au moyen d'oxygene et de recuperation des produits chimiques utilises |
US20020129911A1 (en) * | 2000-10-16 | 2002-09-19 | Marcoccia Bruno S. | Process and configuration for providing external upflow/internal downflow in a continuous digester |
SE0202711D0 (sv) * | 2002-09-12 | 2002-09-12 | Kiram Ab | Alkaline process for the manufacturing of pulp using alkali metaborate as buffering alkali |
JP4039250B2 (ja) * | 2003-01-16 | 2008-01-30 | 王子製紙株式会社 | 漂白パルプの製造方法 |
AU2007253774C1 (en) * | 2006-05-19 | 2012-03-22 | The Research Foundation Of State University Of New York | Methods for carbonate pretreatment and pulping of cellulosic material |
CN101952504B (zh) * | 2008-02-21 | 2013-09-18 | 李诺布斯特公司 | 从黑液分离木质素的方法、木质素产品及木质素产品在燃料或材料制造中的应用 |
-
2011
- 2011-07-15 FI FI20115754A patent/FI20115754A0/fi not_active Application Discontinuation
-
2012
- 2012-03-21 CN CN2012800144257A patent/CN103459711A/zh active Pending
- 2012-03-21 US US13/261,740 patent/US20140102648A1/en not_active Abandoned
- 2012-03-21 EP EP12761412.1A patent/EP2689063B1/fr active Active
- 2012-03-21 JP JP2014500430A patent/JP2014508866A/ja active Pending
- 2012-03-21 CA CA2830312A patent/CA2830312A1/fr not_active Abandoned
- 2012-03-21 BR BR112013023777A patent/BR112013023777A2/pt active Search and Examination
- 2012-03-21 WO PCT/FI2012/050272 patent/WO2012127111A1/fr active Application Filing
- 2012-03-21 RU RU2013146897/12A patent/RU2013146897A/ru not_active Application Discontinuation
-
2013
- 2013-09-13 CL CL2013002640A patent/CL2013002640A1/es unknown
Non-Patent Citations (1)
Title |
---|
No further relevant documents disclosed * |
Also Published As
Publication number | Publication date |
---|---|
JP2014508866A (ja) | 2014-04-10 |
RU2013146897A (ru) | 2015-04-27 |
EP2689063B1 (fr) | 2017-08-16 |
US20140102648A1 (en) | 2014-04-17 |
CA2830312A1 (fr) | 2012-09-27 |
WO2012127111A1 (fr) | 2012-09-27 |
BR112013023777A2 (pt) | 2016-12-06 |
EP2689063A1 (fr) | 2014-01-29 |
CL2013002640A1 (es) | 2014-01-31 |
FI20115754A0 (fi) | 2011-07-15 |
CN103459711A (zh) | 2013-12-18 |
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