FR2964394B1 - Procede de delignification et de blanchiment de pate a papier au moyen de peroxyde d'hydrogene active - Google Patents
Procede de delignification et de blanchiment de pate a papier au moyen de peroxyde d'hydrogene activeInfo
- Publication number
- FR2964394B1 FR2964394B1 FR1057015A FR1057015A FR2964394B1 FR 2964394 B1 FR2964394 B1 FR 2964394B1 FR 1057015 A FR1057015 A FR 1057015A FR 1057015 A FR1057015 A FR 1057015A FR 2964394 B1 FR2964394 B1 FR 2964394B1
- Authority
- FR
- France
- Prior art keywords
- delignifying
- hydrogen peroxide
- active hydrogen
- paper pulp
- whitening paper
- 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.)
- Expired - Fee Related
Links
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title 2
- 229920001131 Pulp (paper) Polymers 0.000 title 1
- 230000002087 whitening effect Effects 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
- 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
-
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating 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
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1057015A FR2964394B1 (fr) | 2010-09-03 | 2010-09-03 | Procede de delignification et de blanchiment de pate a papier au moyen de peroxyde d'hydrogene active |
PCT/FR2011/051910 WO2012028800A1 (fr) | 2010-09-03 | 2011-08-12 | Procede de delignification et de blanchiment de pate a papier au moyen de peroxyde d'hydrogene active |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1057015A FR2964394B1 (fr) | 2010-09-03 | 2010-09-03 | Procede de delignification et de blanchiment de pate a papier au moyen de peroxyde d'hydrogene active |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2964394A1 FR2964394A1 (fr) | 2012-03-09 |
FR2964394B1 true FR2964394B1 (fr) | 2012-08-31 |
Family
ID=43332233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1057015A Expired - Fee Related FR2964394B1 (fr) | 2010-09-03 | 2010-09-03 | Procede de delignification et de blanchiment de pate a papier au moyen de peroxyde d'hydrogene active |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2964394B1 (fr) |
WO (1) | WO2012028800A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018007331A1 (fr) | 2016-07-08 | 2018-01-11 | F. Hoffmann-La Roche Ag | Dérivés fusionnés de pyrimidine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9930695D0 (en) * | 1999-12-24 | 2000-02-16 | Unilever Plc | Composition and method for bleaching a substrate |
FR2837848B1 (fr) * | 2002-03-26 | 2004-06-18 | Atofina | Activation du peroxyde d'hydrogene en delignification et en blanchiment des pates chimiques a l'aide d'un complexe phenantroline-cuivre |
DE102004003710A1 (de) * | 2004-01-24 | 2005-08-11 | Clariant Gmbh | Verwendung von Übergangsmetallkomplexen als Bleichkatalysatoren in Wasch- und Reinigungsmitteln |
EP2103735A1 (fr) * | 2008-03-18 | 2009-09-23 | Unilever PLC | Blanchiment catalytique des substrats |
-
2010
- 2010-09-03 FR FR1057015A patent/FR2964394B1/fr not_active Expired - Fee Related
-
2011
- 2011-08-12 WO PCT/FR2011/051910 patent/WO2012028800A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2012028800A1 (fr) | 2012-03-08 |
FR2964394A1 (fr) | 2012-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20150529 |