FI20086031L - Blekningsförfarande - Google Patents
Blekningsförfarande Download PDFInfo
- Publication number
- FI20086031L FI20086031L FI20086031A FI20086031A FI20086031L FI 20086031 L FI20086031 L FI 20086031L FI 20086031 A FI20086031 A FI 20086031A FI 20086031 A FI20086031 A FI 20086031A FI 20086031 L FI20086031 L FI 20086031L
- Authority
- FI
- Finland
- Prior art keywords
- bleaching method
- bleaching
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title 1
- 238000000034 method Methods 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/64—Thiosulfates; Dithionites; Polythionates
- C01B17/66—Dithionites or hydrosulfites (S2O42-)
-
- 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
- D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
- D21C9/1089—Bleaching ; Apparatus therefor with reducing compounds with dithionites
-
- 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)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20086031A FI20086031L (sv) | 2008-10-31 | 2008-10-31 | Blekningsförfarande |
EP09823134.3A EP2344695A4 (en) | 2008-10-31 | 2009-10-30 | BLEACH PROCEDURE |
PCT/FI2009/050872 WO2010049591A1 (en) | 2008-10-31 | 2009-10-30 | Bleaching method |
US13/126,577 US20110203485A1 (en) | 2008-10-31 | 2009-10-30 | Bleaching method |
CA2741612A CA2741612A1 (en) | 2008-10-31 | 2009-10-30 | Bleaching method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20086031A FI20086031L (sv) | 2008-10-31 | 2008-10-31 | Blekningsförfarande |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20086031A0 FI20086031A0 (sv) | 2008-10-31 |
FI20086031L true FI20086031L (sv) | 2010-05-01 |
Family
ID=39924668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20086031A FI20086031L (sv) | 2008-10-31 | 2008-10-31 | Blekningsförfarande |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110203485A1 (sv) |
EP (1) | EP2344695A4 (sv) |
CA (1) | CA2741612A1 (sv) |
FI (1) | FI20086031L (sv) |
WO (1) | WO2010049591A1 (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8845860B2 (en) * | 2010-09-16 | 2014-09-30 | Georgia-Pacific Consumer Products Lp | High brightness pulps from lignin rich waste papers |
WO2014112627A1 (ja) * | 2013-01-21 | 2014-07-24 | 積水化学工業株式会社 | 組換え細胞、並びに、1,4-ブタンジオールの生産方法 |
WO2023064834A1 (en) * | 2021-10-13 | 2023-04-20 | Kemira Oyj | Application of performic acid (pfa) for mineral processing |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3290161A (en) * | 1963-10-04 | 1966-12-06 | Fmc Corp | Clay bleaching |
US3284283A (en) * | 1964-02-17 | 1966-11-08 | Fmc Corp | Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride |
EP0027369A1 (en) * | 1979-10-12 | 1981-04-22 | Thiokol Corporation | Stable precursor solution for the generation of hydrosulfite and use thereof in bleaching wood pulp, brightening kaolin clay and reducing vat dyestuffs to their leuco form |
DE3308298A1 (de) * | 1983-03-09 | 1984-09-13 | Basf Ag, 6700 Ludwigshafen | Verfahren zur reduktiven bleiche von holzstoff |
CA1249402A (en) * | 1984-12-21 | 1989-01-31 | Pulp And Paper Research Institute Of Canada | Multistage brightening of high yield and ultra high- yield wood pulps |
US4788041A (en) * | 1986-12-22 | 1988-11-29 | Morton Thiokol, Inc. | Apparatus for the production of sodium hydrosulfite |
SE457647B (sv) * | 1987-06-24 | 1989-01-16 | Eka Nobel Ab | Saett vid blekning av material med ditionitloesning |
SE9702067L (sv) * | 1997-05-30 | 1998-09-14 | Hampshire Chemical Ab | Extraktionsmedel innefattade eteriska oljor och förfarande för att använda dessa |
US7553822B2 (en) * | 2003-10-30 | 2009-06-30 | The United States Of America As Represented By The Department Of Health And Human Services | Compositions and methods for inhibiting translation of a Mect1-MAML2 chimeric gene |
-
2008
- 2008-10-31 FI FI20086031A patent/FI20086031L/sv not_active IP Right Cessation
-
2009
- 2009-10-30 CA CA2741612A patent/CA2741612A1/en not_active Abandoned
- 2009-10-30 US US13/126,577 patent/US20110203485A1/en not_active Abandoned
- 2009-10-30 EP EP09823134.3A patent/EP2344695A4/en not_active Withdrawn
- 2009-10-30 WO PCT/FI2009/050872 patent/WO2010049591A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FI20086031A0 (sv) | 2008-10-31 |
WO2010049591A1 (en) | 2010-05-06 |
US20110203485A1 (en) | 2011-08-25 |
EP2344695A1 (en) | 2011-07-20 |
EP2344695A4 (en) | 2013-09-11 |
CA2741612A1 (en) | 2010-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |