CL2011003017A1 - Proceso para blanqueamiento de pulpa de papel con uno o mas agentes oxidantes de peroxido que comprende pretratar la pulpa con uno o mas agentes quelantes señlccionado del grupo de acidos carboxilicos; y uso. - Google Patents
Proceso para blanqueamiento de pulpa de papel con uno o mas agentes oxidantes de peroxido que comprende pretratar la pulpa con uno o mas agentes quelantes señlccionado del grupo de acidos carboxilicos; y uso.Info
- Publication number
- CL2011003017A1 CL2011003017A1 CL2011003017A CL2011003017A CL2011003017A1 CL 2011003017 A1 CL2011003017 A1 CL 2011003017A1 CL 2011003017 A CL2011003017 A CL 2011003017A CL 2011003017 A CL2011003017 A CL 2011003017A CL 2011003017 A1 CL2011003017 A1 CL 2011003017A1
- Authority
- CL
- Chile
- Prior art keywords
- pulp
- group
- carboxylic acids
- peroxide oxidizing
- chelating agents
- Prior art date
Links
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 2
- 238000004061 bleaching Methods 0.000 title abstract 2
- 150000001735 carboxylic acids Chemical class 0.000 title abstract 2
- 239000002738 chelating agent Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000007800 oxidant agent Substances 0.000 title abstract 2
- 150000002978 peroxides Chemical class 0.000 title abstract 2
- 150000003839 salts Chemical class 0.000 abstract 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
- 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
-
- 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
-
- 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
- D21C9/1042—Use of chelating agents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09161461 | 2009-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2011003017A1 true CL2011003017A1 (es) | 2012-05-18 |
Family
ID=40822931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2011003017A CL2011003017A1 (es) | 2009-05-29 | 2011-11-29 | Proceso para blanqueamiento de pulpa de papel con uno o mas agentes oxidantes de peroxido que comprende pretratar la pulpa con uno o mas agentes quelantes señlccionado del grupo de acidos carboxilicos; y uso. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20120061043A1 (pt) |
| EP (1) | EP2435628B1 (pt) |
| CN (2) | CN105442372A (pt) |
| BR (1) | BRPI1016066A2 (pt) |
| CA (1) | CA2762712C (pt) |
| CL (1) | CL2011003017A1 (pt) |
| MY (1) | MY154626A (pt) |
| PL (1) | PL2435628T3 (pt) |
| WO (1) | WO2010136550A1 (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111100023A (zh) * | 2019-12-20 | 2020-05-05 | 上海永通生态工程股份有限公司 | 甲基甘氨酸二乙酸钙、甲基甘氨酸二乙酸镁及其制备方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE420427C (sv) * | 1978-02-16 | 1984-10-15 | Mo Och Domsjoe Ab | Forfarande for framstellning av slipmassa vid overtryck |
| SE420430B (sv) * | 1978-02-17 | 1981-10-05 | Mo Och Domsjoe Ab | Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel |
| US5362412A (en) * | 1991-04-17 | 1994-11-08 | Hampshire Chemical Corp. | Biodegradable bleach stabilizers for detergents |
| SE9203366L (sv) * | 1992-11-11 | 1994-05-12 | Mo Och Domsjoe Ab | Förfarande vid delignifiering och/eller blekning av cellulosamassa |
| DE4344029A1 (de) * | 1993-12-23 | 1995-06-29 | Grillo Werke Ag | Copolymerisate ungesättigter Carbonsäuren, Verfahren zur Herstellung und ihre Verwendung |
| CA2220408A1 (en) * | 1995-08-10 | 1997-02-20 | Hiroaki Maeda | Method of bleaching cellulose pulp |
| JP3698178B2 (ja) * | 1995-09-22 | 2005-09-21 | 三菱瓦斯化学株式会社 | 製紙用化学パルプの漂白方法 |
| FI115642B (fi) * | 1996-02-19 | 2005-06-15 | Kemira Oyj | Korkeasaantomassojen valkaisumenetelmä |
| DE19614587A1 (de) * | 1996-04-13 | 1997-10-16 | Jaschinski Thomas Dipl Holzw | Verfahren und Bleichlösung zum Bleichen von cellulosischen Faserstoffen |
| FI104572B (fi) * | 1996-05-30 | 2000-02-29 | Kemira Chemicals Oy | Menetelmä kemiallisen massan valkaisemiseksi |
| 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 |
| US7052578B2 (en) * | 2000-01-28 | 2006-05-30 | Martin Marietta Magnesia Specialties, Inc. | Process employing magnesium hydroxide in peroxide bleaching of mechanical pulp |
| US7001484B2 (en) * | 2000-05-04 | 2006-02-21 | University Of New Brunswick | Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent |
| CN2552996Y (zh) * | 2002-05-09 | 2003-05-28 | 朱杰 | 干煸分离草浆机 |
| FI120201B (fi) * | 2004-05-12 | 2009-07-31 | Kemira Oyj | Uusi koostumus ja menetelmä kuitumateriaalin käsittelemiseksi |
| ES2392347T3 (es) * | 2005-05-27 | 2012-12-07 | Catexel Limited | Proceso de blanqueo |
| EP1811080A1 (en) * | 2006-01-24 | 2007-07-25 | Solvay SA | Process for the bleaching of mechanical paper pulp |
| US20100101743A1 (en) * | 2007-02-21 | 2010-04-29 | Solvay (Societe Anonyme) | Process for the bleaching of paper pulp |
| GB0714575D0 (en) * | 2007-07-26 | 2007-09-05 | Innospec Ltd | Composition |
| GB0721587D0 (en) * | 2007-11-02 | 2007-12-12 | Innospec Ltd | Process for bleaching pulp |
| EP2128331A1 (en) * | 2008-05-26 | 2009-12-02 | SOLVAY (Société Anonyme) | Process for the bleaching of paper pulp |
-
2010
- 2010-05-28 US US13/321,256 patent/US20120061043A1/en not_active Abandoned
- 2010-05-28 CA CA2762712A patent/CA2762712C/en not_active Expired - Fee Related
- 2010-05-28 PL PL10724373T patent/PL2435628T3/pl unknown
- 2010-05-28 BR BRPI1016066A patent/BRPI1016066A2/pt not_active Application Discontinuation
- 2010-05-28 CN CN201510789210.8A patent/CN105442372A/zh active Pending
- 2010-05-28 MY MYPI2011005702A patent/MY154626A/en unknown
- 2010-05-28 WO PCT/EP2010/057372 patent/WO2010136550A1/en not_active Ceased
- 2010-05-28 CN CN2010800236724A patent/CN102449234A/zh active Pending
- 2010-05-28 EP EP10724373.5A patent/EP2435628B1/en not_active Not-in-force
-
2011
- 2011-11-29 CL CL2011003017A patent/CL2011003017A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2762712A1 (en) | 2010-12-02 |
| CN102449234A (zh) | 2012-05-09 |
| BRPI1016066A2 (pt) | 2016-06-07 |
| EP2435628B1 (en) | 2014-04-09 |
| CA2762712C (en) | 2017-08-29 |
| WO2010136550A1 (en) | 2010-12-02 |
| MY154626A (en) | 2015-07-15 |
| US20120061043A1 (en) | 2012-03-15 |
| PL2435628T3 (pl) | 2014-09-30 |
| EP2435628A1 (en) | 2012-04-04 |
| CN105442372A (zh) | 2016-03-30 |
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