FI20125378A - Pulp bleaching procedure - Google Patents
Pulp bleaching procedure Download PDFInfo
- Publication number
- FI20125378A FI20125378A FI20125378A FI20125378A FI20125378A FI 20125378 A FI20125378 A FI 20125378A FI 20125378 A FI20125378 A FI 20125378A FI 20125378 A FI20125378 A FI 20125378A FI 20125378 A FI20125378 A FI 20125378A
- Authority
- FI
- Finland
- Prior art keywords
- pulp bleaching
- bleaching procedure
- bleaching
- pulp
- stage
- 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
- D21C9/10—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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
-
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/32—Bleaching agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- External Artificial Organs (AREA)
Abstract
A method for bleaching pulp is provided. In the method at least one tertiary amine compound is introduced into a process stage of bleaching. This process stage is a stage which comprises mixing pulp and a chlorine compound capable of bleaching.
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20125378A FI123926B (en) | 2012-04-03 | 2012-04-03 | Method for bleaching pulp |
CN201380027609.1A CN104471146B (en) | 2012-04-03 | 2013-04-03 | The method of bleached pulp |
US14/390,051 US9540767B2 (en) | 2012-04-03 | 2013-04-03 | Method for bleaching pulp |
PT137186086T PT2834407T (en) | 2012-04-03 | 2013-04-03 | A method for bleaching pulp |
UY0001034724A UY34724A (en) | 2012-04-03 | 2013-04-03 | CELLULOSE PULP WHITENING METHOD |
ARP130101066A AR090571A1 (en) | 2012-04-03 | 2013-04-03 | A METHOD FOR WHITENING PULP |
ES13718608.6T ES2600730T3 (en) | 2012-04-03 | 2013-04-03 | Method of bleaching cellulose pulp |
PCT/FI2013/050360 WO2013150184A1 (en) | 2012-04-03 | 2013-04-03 | A method for bleaching pulp |
BR112014024776-5A BR112014024776B1 (en) | 2012-04-03 | 2013-04-03 | PULP BLEACHING METHOD |
PL13718608T PL2834407T3 (en) | 2012-04-03 | 2013-04-03 | A method for bleaching pulp |
EP13718608.6A EP2834407B1 (en) | 2012-04-03 | 2013-04-03 | A method for bleaching pulp |
CA2869351A CA2869351C (en) | 2012-04-03 | 2013-04-03 | A method for bleaching pulp |
CL2014002645A CL2014002645A1 (en) | 2012-04-03 | 2014-10-01 | A method for bleaching pulp |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20125378A FI123926B (en) | 2012-04-03 | 2012-04-03 | Method for bleaching pulp |
FI20125378 | 2012-04-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20125378A true FI20125378A (en) | 2013-10-04 |
FI123926B FI123926B (en) | 2013-12-13 |
Family
ID=48184231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20125378A FI123926B (en) | 2012-04-03 | 2012-04-03 | Method for bleaching pulp |
Country Status (13)
Country | Link |
---|---|
US (1) | US9540767B2 (en) |
EP (1) | EP2834407B1 (en) |
CN (1) | CN104471146B (en) |
AR (1) | AR090571A1 (en) |
BR (1) | BR112014024776B1 (en) |
CA (1) | CA2869351C (en) |
CL (1) | CL2014002645A1 (en) |
ES (1) | ES2600730T3 (en) |
FI (1) | FI123926B (en) |
PL (1) | PL2834407T3 (en) |
PT (1) | PT2834407T (en) |
UY (1) | UY34724A (en) |
WO (1) | WO2013150184A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI123926B (en) | 2012-04-03 | 2013-12-13 | Upm Kymmene Corp | Method for bleaching pulp |
WO2015138335A1 (en) * | 2014-03-12 | 2015-09-17 | Gp Cellulose Gmbh | A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same |
EP2971338A2 (en) | 2013-03-15 | 2016-01-20 | GP Cellulose GmbH | A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same |
EP3218415A1 (en) | 2014-11-11 | 2017-09-20 | Betulium OY | Cationic parenchymal cellulose |
FI128736B (en) * | 2018-03-09 | 2020-11-13 | Valmet Automation Oy | Method and measurement apparatus for measuring suspension |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4298428A (en) * | 1980-08-07 | 1981-11-03 | Nalco Chemical Company | Use of additives in pulp bleaching processes to preserve pulp strength |
US4594184A (en) | 1985-05-23 | 1986-06-10 | The Procter & Gamble Company | Chlorine bleach compatible liquid detergent compositions |
US4740212A (en) | 1985-11-25 | 1988-04-26 | Quantum Technologies, Inc. | Process and composition for bleaching cellulosic material with hypochlorous acid |
US5585488A (en) | 1994-07-04 | 1996-12-17 | Kyowa Hakko Kogyo Co., Ltd. | Process for producing indolocarbazole derivatives |
FI102301B (en) | 1994-10-13 | 1998-11-13 | Andritz Oy | Method for treating cellulosic pulps |
US6706143B1 (en) | 1996-03-19 | 2004-03-16 | International Paper Company | Minimizing chlorinated organics in pulp bleaching processes |
FI105214B (en) | 1997-11-13 | 2000-06-30 | Kemira Chemicals Oy | Enhanced chemical pulp bleaching process |
US7351764B2 (en) * | 2004-03-31 | 2008-04-01 | Nalco Company | Methods to enhance brightness of pulp and optimize use of bleaching chemicals |
CN1811055A (en) * | 2006-02-28 | 2006-08-02 | 华南理工大学 | Production process of bleached chemical pulp with hemp stalk core |
FI123102B (en) | 2006-03-31 | 2012-11-15 | Laennen Tutkimus Western Res Inc Oy | Chemical pulp bleaching process |
CN101476255A (en) * | 2008-12-19 | 2009-07-08 | 华南理工大学 | Alkaline process hypochlorite and hydrogen peroxide two-stage bleaching process for straw pulp |
FI125707B (en) | 2011-06-09 | 2016-01-15 | Upm Kymmene Corp | A process for the catalytic oxidation of cellulose and a process for preparing a cellulose product |
FI123926B (en) | 2012-04-03 | 2013-12-13 | Upm Kymmene Corp | Method for bleaching pulp |
PT3030710T (en) * | 2013-08-09 | 2017-11-17 | Novozymes As | Reducing content of hexenuronic acids in cellulosic pulp |
-
2012
- 2012-04-03 FI FI20125378A patent/FI123926B/en active IP Right Grant
-
2013
- 2013-04-03 EP EP13718608.6A patent/EP2834407B1/en active Active
- 2013-04-03 AR ARP130101066A patent/AR090571A1/en active IP Right Grant
- 2013-04-03 ES ES13718608.6T patent/ES2600730T3/en active Active
- 2013-04-03 US US14/390,051 patent/US9540767B2/en active Active
- 2013-04-03 CA CA2869351A patent/CA2869351C/en active Active
- 2013-04-03 PT PT137186086T patent/PT2834407T/en unknown
- 2013-04-03 CN CN201380027609.1A patent/CN104471146B/en active Active
- 2013-04-03 BR BR112014024776-5A patent/BR112014024776B1/en active IP Right Grant
- 2013-04-03 UY UY0001034724A patent/UY34724A/en active IP Right Grant
- 2013-04-03 WO PCT/FI2013/050360 patent/WO2013150184A1/en active Application Filing
- 2013-04-03 PL PL13718608T patent/PL2834407T3/en unknown
-
2014
- 2014-10-01 CL CL2014002645A patent/CL2014002645A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
BR112014024776A2 (en) | 2017-08-22 |
CN104471146A (en) | 2015-03-25 |
EP2834407A1 (en) | 2015-02-11 |
BR112014024776A8 (en) | 2021-10-13 |
US9540767B2 (en) | 2017-01-10 |
AR090571A1 (en) | 2014-11-19 |
FI123926B (en) | 2013-12-13 |
UY34724A (en) | 2013-10-31 |
ES2600730T3 (en) | 2017-02-10 |
BR112014024776B1 (en) | 2022-03-15 |
CL2014002645A1 (en) | 2016-02-12 |
CA2869351A1 (en) | 2013-10-10 |
WO2013150184A1 (en) | 2013-10-10 |
US20150152600A1 (en) | 2015-06-04 |
EP2834407B1 (en) | 2016-06-15 |
CA2869351C (en) | 2020-01-07 |
PL2834407T3 (en) | 2017-08-31 |
CN104471146B (en) | 2016-08-31 |
PT2834407T (en) | 2016-09-21 |
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