SE9301326L - Förfarande och anordning för framställning av massa - Google Patents
Förfarande och anordning för framställning av massaInfo
- Publication number
- SE9301326L SE9301326L SE9301326A SE9301326A SE9301326L SE 9301326 L SE9301326 L SE 9301326L SE 9301326 A SE9301326 A SE 9301326A SE 9301326 A SE9301326 A SE 9301326A SE 9301326 L SE9301326 L SE 9301326L
- Authority
- SE
- Sweden
- Prior art keywords
- wood chips
- fibers
- shear forces
- digester
- stream
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping 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
- D21C9/001—Modification of pulp properties
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/871,468 US5227021A (en) | 1992-04-21 | 1992-04-21 | Method for producing pulp using medium consistency mixer for defiberizing pulp |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9301326D0 SE9301326D0 (sv) | 1993-04-21 |
SE9301326L true SE9301326L (sv) | 1993-10-22 |
SE512735C2 SE512735C2 (sv) | 2000-05-08 |
Family
ID=25357509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9301326A SE512735C2 (sv) | 1992-04-21 | 1993-04-21 | Kokning av vedflis följt av defibrering |
Country Status (3)
Country | Link |
---|---|
US (1) | US5227021A (sv) |
FI (1) | FI931772A (sv) |
SE (1) | SE512735C2 (sv) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6187135B1 (en) * | 1999-03-30 | 2001-02-13 | Sun Ho Chung | Process for making recycled paper having improving strength properties |
US6340407B1 (en) * | 1999-12-22 | 2002-01-22 | Sun Ho Chung | Process of making recycled linerboard or Kraft paper from old corrugated container |
US6984447B2 (en) * | 2002-12-26 | 2006-01-10 | Kimberly-Clark Worldwide, Inc. | Method of producing twisted, curly fibers |
EP4211303A1 (en) * | 2020-09-09 | 2023-07-19 | WestRock MWV, LLC | Pulping methods, methods for manufacturing paperboard, and paperboard structures |
CN113081488B (zh) * | 2021-03-30 | 2023-01-06 | 广东美登新材料科技有限公司 | 一种婴儿纸尿裤复合芯体的制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4002528A (en) * | 1972-02-18 | 1977-01-11 | Kamyr, Inc. | Apparatus for processing pulp |
NO152907C (no) * | 1983-06-29 | 1985-12-11 | Peterson & Son As M | Fremgangsmaate til delignifisering av kjemisk masse. |
FI67580C (fi) * | 1983-07-12 | 1985-04-10 | Ahlstroem Oy | Foerfarande och anordning foer fibrering silning och pumpning av cellulosamassa och returpapper |
SE444962B (sv) * | 1985-07-08 | 1986-05-20 | Kamyr Ab | Anordning for avskiljning av i en fibermassa forekommande icke onskverda partiklar |
FI77063B (fi) * | 1986-12-17 | 1988-09-30 | Ahlstroem Oy | Foerfarande foer effektivering av fibersuspensionstvaett. |
-
1992
- 1992-04-21 US US07/871,468 patent/US5227021A/en not_active Expired - Fee Related
-
1993
- 1993-04-20 FI FI931772A patent/FI931772A/fi unknown
- 1993-04-21 SE SE9301326A patent/SE512735C2/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE512735C2 (sv) | 2000-05-08 |
FI931772A (fi) | 1993-10-22 |
FI931772A0 (fi) | 1993-04-20 |
US5227021A (en) | 1993-07-13 |
SE9301326D0 (sv) | 1993-04-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |