EP2443280A4 - Alkaline peroxide treatment of rejects in an integrated neutral-alkaline paper mill - Google Patents
Alkaline peroxide treatment of rejects in an integrated neutral-alkaline paper millInfo
- Publication number
- EP2443280A4 EP2443280A4 EP10789951.0A EP10789951A EP2443280A4 EP 2443280 A4 EP2443280 A4 EP 2443280A4 EP 10789951 A EP10789951 A EP 10789951A EP 2443280 A4 EP2443280 A4 EP 2443280A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- alkaline
- rejects
- paper mill
- peroxide treatment
- integrated neutral
- 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
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
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic 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
- D21C9/001—Modification of pulp properties
- D21C9/007—Modification of pulp properties by mechanical or physical means
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18707309P | 2009-06-15 | 2009-06-15 | |
| PCT/US2010/037880 WO2010147812A1 (en) | 2009-06-15 | 2010-06-09 | Alkaline peroxide treatment of rejects in an integrated neutral-alkaline paper mill |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2443280A1 EP2443280A1 (en) | 2012-04-25 |
| EP2443280A4 true EP2443280A4 (en) | 2014-08-13 |
| EP2443280B1 EP2443280B1 (en) | 2020-12-09 |
Family
ID=43356689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10789951.0A Not-in-force EP2443280B1 (en) | 2009-06-15 | 2010-06-09 | Alkaline peroxide treatment of rejects in an integrated neutral-alkaline paper mill |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20120097350A1 (en) |
| EP (1) | EP2443280B1 (en) |
| CN (1) | CN102459753A (en) |
| RU (1) | RU2495177C2 (en) |
| WO (1) | WO2010147812A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776795B (en) * | 2012-08-03 | 2014-06-04 | 常州市春江化学有限公司 | Application of organic phosphonic acid in pulp bleaching process |
| CA2824076A1 (en) | 2012-08-21 | 2014-02-21 | University Of New Brunswick | System and method for reclaiming rejects in sulfite pulping |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0153717A2 (en) * | 1984-02-22 | 1985-09-04 | Mo Och Domsjö Aktiebolag | A method for producing improved high-yield pulps |
| WO1997022749A1 (en) * | 1995-12-19 | 1997-06-26 | Kvaerner Hymac Inc. | Process for treating refiner pulp |
| WO1999054544A1 (en) * | 1998-04-17 | 1999-10-28 | Alberta Research Council Inc. | Method of producing lignocellulosic pulp from non-woody species |
| US20040112557A1 (en) * | 2001-05-16 | 2004-06-17 | Weyerhaeuser Company | Refiner bleaching with magnesium oxide and hydrogen peroxide |
| WO2005121447A1 (en) * | 2004-06-11 | 2005-12-22 | Imerys Minerals Limited | Treatment of pulp |
| WO2006128950A1 (en) * | 2005-05-03 | 2006-12-07 | M-Real Oyj | Process for producing mechanical pulp suitable for paper or cardboard making |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4614646A (en) * | 1984-12-24 | 1986-09-30 | The Dow Chemical Company | Stabilization of peroxide systems in the presence of alkaline earth metal ions |
| AUPM452794A0 (en) * | 1994-03-17 | 1994-04-14 | Amcor Limited | Waste water recovery system |
| CN1213197C (en) * | 1999-02-15 | 2005-08-03 | 柯兰姆有限公司 | Process for oxygen pulping of lignocellulosic material and recovery of pulping chemicals |
| US6743332B2 (en) * | 2001-05-16 | 2004-06-01 | Weyerhaeuser Company | High temperature peroxide bleaching of mechanical pulps |
| RU2322504C1 (en) * | 2006-06-26 | 2008-04-20 | Институт биоорганической химии им. академиков М.М. Шемякина и Ю.А. Овчинникова Российской академии наук | Method for preparing genetic-engineering human insulin |
| US8262851B2 (en) | 2006-08-10 | 2012-09-11 | Andritz Inc. | Processes and systems for the pulping of lignocellulosic materials |
| US20090114352A1 (en) * | 2006-08-25 | 2009-05-07 | Rossi Robert A | Process and system for calcination of high solids kraft paper pulp mill lime mud |
-
2010
- 2010-06-09 WO PCT/US2010/037880 patent/WO2010147812A1/en not_active Ceased
- 2010-06-09 US US13/264,206 patent/US20120097350A1/en not_active Abandoned
- 2010-06-09 EP EP10789951.0A patent/EP2443280B1/en not_active Not-in-force
- 2010-06-09 CN CN2010800264508A patent/CN102459753A/en active Pending
- 2010-06-09 RU RU2011142599/12A patent/RU2495177C2/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0153717A2 (en) * | 1984-02-22 | 1985-09-04 | Mo Och Domsjö Aktiebolag | A method for producing improved high-yield pulps |
| WO1997022749A1 (en) * | 1995-12-19 | 1997-06-26 | Kvaerner Hymac Inc. | Process for treating refiner pulp |
| WO1999054544A1 (en) * | 1998-04-17 | 1999-10-28 | Alberta Research Council Inc. | Method of producing lignocellulosic pulp from non-woody species |
| US20040112557A1 (en) * | 2001-05-16 | 2004-06-17 | Weyerhaeuser Company | Refiner bleaching with magnesium oxide and hydrogen peroxide |
| WO2005121447A1 (en) * | 2004-06-11 | 2005-12-22 | Imerys Minerals Limited | Treatment of pulp |
| WO2006128950A1 (en) * | 2005-05-03 | 2006-12-07 | M-Real Oyj | Process for producing mechanical pulp suitable for paper or cardboard making |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2010147812A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010147812A1 (en) | 2010-12-23 |
| US20120097350A1 (en) | 2012-04-26 |
| RU2011142599A (en) | 2013-04-27 |
| CN102459753A (en) | 2012-05-16 |
| EP2443280A1 (en) | 2012-04-25 |
| EP2443280B1 (en) | 2020-12-09 |
| RU2495177C2 (en) | 2013-10-10 |
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