FI20002587A - Alkaline cooking method for fibrous material - Google Patents
Alkaline cooking method for fibrous material Download PDFInfo
- Publication number
- FI20002587A FI20002587A FI20002587A FI20002587A FI20002587A FI 20002587 A FI20002587 A FI 20002587A FI 20002587 A FI20002587 A FI 20002587A FI 20002587 A FI20002587 A FI 20002587A FI 20002587 A FI20002587 A FI 20002587A
- Authority
- FI
- Finland
- Prior art keywords
- fibrous material
- cooking method
- alkaline cooking
- alkaline
- fibrous
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage 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
- D21C7/00—Digesters
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20002587A FI20002587A (en) | 2000-11-24 | 2000-11-24 | Alkaline cooking method for fibrous material |
EP01997586A EP1346103A1 (en) | 2000-11-24 | 2001-11-21 | Method for alkaline cooking of fiber material |
US10/432,657 US20040089430A1 (en) | 2000-11-24 | 2001-11-21 | Method for alkaline cooking of fiber material |
AU2002223714A AU2002223714A1 (en) | 2000-11-24 | 2001-11-21 | Method for alkaline cooking of fiber material |
PCT/FI2001/001009 WO2002042550A1 (en) | 2000-11-24 | 2001-11-21 | Method for alkaline cooking of fiber material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20002587A FI20002587A (en) | 2000-11-24 | 2000-11-24 | Alkaline cooking method for fibrous material |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20002587A0 FI20002587A0 (en) | 2000-11-24 |
FI20002587A true FI20002587A (en) | 2002-05-25 |
Family
ID=8559577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20002587A FI20002587A (en) | 2000-11-24 | 2000-11-24 | Alkaline cooking method for fibrous material |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040089430A1 (en) |
EP (1) | EP1346103A1 (en) |
AU (1) | AU2002223714A1 (en) |
FI (1) | FI20002587A (en) |
WO (1) | WO2002042550A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0104247L (en) * | 2001-12-14 | 2002-10-22 | Kvaerner Pulping Tech | Pre-treatment of chips with fresh white liquor before treatment with black liquor |
FI20105799A0 (en) * | 2010-07-13 | 2010-07-13 | Olli Joutsimo | Improved chemical pulp manufacturing process |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3215588A (en) * | 1963-08-15 | 1965-11-02 | Lummus Co | Continuous impregnation, cooking, and washing of fibrous material |
US3664918A (en) * | 1969-12-09 | 1972-05-23 | Pulp Paper Res Inst | Vapor phase pulping of water saturated lignocellulosic materials |
US4190490A (en) * | 1974-04-03 | 1980-02-26 | Domtar Inc. | Impregnation and digestion of wood chips |
FI93866B (en) * | 1990-02-09 | 1995-02-28 | Sunds Defibrator Rauma Oy | Method for preparing sulphate pulp |
US5674359A (en) * | 1995-02-08 | 1997-10-07 | Ahlstrom Machinery Inc. | Continuous cooking of cellulosic fibrous material with cold alkali impregnation |
US6248208B1 (en) * | 1995-06-02 | 2001-06-19 | Andritz-Ahlstrom Inc. | Pretreatment of chips before cooking |
US5635026A (en) * | 1995-11-13 | 1997-06-03 | Ahlstrom Machinery Inc. | Cooking cellulose material with high alkali concentrations and/or high pH |
US6174411B1 (en) * | 1997-02-10 | 2001-01-16 | Andritz-Ahlstrom Inc. | Continuous digester with inverted top separator |
US5882477A (en) * | 1997-02-10 | 1999-03-16 | Ahlstrom Machinery, Inc. | Continuous digester with a low temperature gas-phase |
CA2318027C (en) * | 1999-09-13 | 2008-07-08 | Andritz-Ahlstrom Inc. | Treating pulp with yield or strength-enhancing additive |
US6428208B1 (en) * | 2000-03-08 | 2002-08-06 | Ultra Flex Packaging Corporation | Internal profile hanger with outwardly projecting tab member with informational indicia thereon |
FI20002586A (en) * | 2000-11-24 | 2002-05-25 | Metso Paper Inc | Process for alkaline batching when cooking fiber material |
-
2000
- 2000-11-24 FI FI20002587A patent/FI20002587A/en not_active Application Discontinuation
-
2001
- 2001-11-21 US US10/432,657 patent/US20040089430A1/en not_active Abandoned
- 2001-11-21 EP EP01997586A patent/EP1346103A1/en not_active Withdrawn
- 2001-11-21 WO PCT/FI2001/001009 patent/WO2002042550A1/en not_active Application Discontinuation
- 2001-11-21 AU AU2002223714A patent/AU2002223714A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU2002223714A1 (en) | 2002-06-03 |
US20040089430A1 (en) | 2004-05-13 |
WO2002042550A1 (en) | 2002-05-30 |
EP1346103A1 (en) | 2003-09-24 |
FI20002587A0 (en) | 2000-11-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |