SE0300089L - Kontinuerliga massaberedningsprocesser och -system - Google Patents
Kontinuerliga massaberedningsprocesser och -systemInfo
- Publication number
- SE0300089L SE0300089L SE0300089A SE0300089A SE0300089L SE 0300089 L SE0300089 L SE 0300089L SE 0300089 A SE0300089 A SE 0300089A SE 0300089 A SE0300089 A SE 0300089A SE 0300089 L SE0300089 L SE 0300089L
- Authority
- SE
- Sweden
- Prior art keywords
- screen
- liquor
- digester
- screen assembly
- extracted
- 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
- D21C7/00—Digesters
-
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
- D21C7/08—Discharge devices
-
- 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
- D21C7/14—Means for circulating the lye
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34836702P | 2002-01-16 | 2002-01-16 | |
US10/304,096 US20030131956A1 (en) | 2002-01-16 | 2002-11-26 | Continuous pulping processes and systems |
Publications (2)
Publication Number | Publication Date |
---|---|
SE0300089D0 SE0300089D0 (sv) | 2003-01-16 |
SE0300089L true SE0300089L (sv) | 2003-07-17 |
Family
ID=26973808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0300089A SE0300089L (sv) | 2002-01-16 | 2003-01-16 | Kontinuerliga massaberedningsprocesser och -system |
Country Status (5)
Country | Link |
---|---|
US (1) | US20030131956A1 ( ) |
JP (1) | JP2003213581A ( ) |
CA (1) | CA2414070A1 ( ) |
FI (1) | FI20030043A ( ) |
SE (1) | SE0300089L ( ) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7828930B2 (en) * | 2007-11-20 | 2010-11-09 | International Paper Company | Use of polysulfide in modified cooking |
SE0702874L (sv) * | 2007-12-20 | 2009-06-09 | Metso Fiber Karlstad Ab | Förfarande vid tillverkning av sulfatmassa där hemicellulosor återförs |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6132556A (en) * | 1993-05-04 | 2000-10-17 | Andritz-Ahlstrom Inc. | Method of controlling pulp digester pressure via liquor extraction |
US5536366A (en) * | 1993-05-04 | 1996-07-16 | Ahlstrom Machinery Inc. | Digester system for implementing low dissolved solids profiling |
US5489363A (en) * | 1993-05-04 | 1996-02-06 | Kamyr, Inc. | Pulping with low dissolved solids for improved pulp strength |
US5824188A (en) * | 1993-05-04 | 1998-10-20 | Ahlstrom Machinery Inc. | Method of controlling the pressure of a continuous digester using an extraction-dilution |
US5575890A (en) * | 1993-05-04 | 1996-11-19 | Kamyr, Inc. | Method for selectively increasing the sulfide ion concentration and sulfidity of kraft cooking liquor during kraft cooking of wood |
SE9403978L (sv) * | 1994-11-15 | 1995-11-06 | Kvaerner Pulping Tech | Svartlutsimpregnering i enkärlshydraulkokare |
US5925216A (en) * | 1994-11-15 | 1999-07-20 | Kvaerner Pulping Ab | Method of continuous pulping in a digester with high black liquor usage in the impregnation stage |
US5635026A (en) * | 1995-11-13 | 1997-06-03 | Ahlstrom Machinery Inc. | Cooking cellulose material with high alkali concentrations and/or high pH |
SE506458C2 (sv) * | 1996-02-09 | 1997-12-15 | Kvaerner Pulping Tech | Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska |
US5958181A (en) * | 1997-08-07 | 1999-09-28 | Ahlstrom Machinery, Inc. | Continuous cooking with a two-stage cool impregnation |
US6123808A (en) * | 1997-12-09 | 2000-09-26 | Ahlstrom Machinery Inc. | Distribution of dilution liquor to the discharge of a cellulose pulp digester |
US6277240B1 (en) * | 1998-10-02 | 2001-08-21 | Andritz-Ahlstrom Inc. | Method for continuously pulping cellulosic fibrous material |
US6576084B1 (en) * | 1999-09-13 | 2003-06-10 | Andritz Inc. | Method of pretreating pulp with yield or strength-enhancing additive |
SE515970C2 (sv) * | 2000-11-03 | 2001-11-05 | Kvaerner Pulping Tech | Kontinuerlig kokning av massa med avdrag av begagnad koklut dels från kokaren, dels från en efterföljande tryckdiffusör |
-
2002
- 2002-11-26 US US10/304,096 patent/US20030131956A1/en not_active Abandoned
- 2002-12-12 CA CA002414070A patent/CA2414070A1/en not_active Abandoned
-
2003
- 2003-01-08 JP JP2003002026A patent/JP2003213581A/ja not_active Withdrawn
- 2003-01-13 FI FI20030043A patent/FI20030043A/fi unknown
- 2003-01-16 SE SE0300089A patent/SE0300089L/ not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JP2003213581A (ja) | 2003-07-30 |
FI20030043A (fi) | 2003-07-17 |
US20030131956A1 (en) | 2003-07-17 |
SE0300089D0 (sv) | 2003-01-16 |
CA2414070A1 (en) | 2003-07-16 |
FI20030043A0 (fi) | 2003-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |