CA2285714C - Continuous digester with inverted top separator - Google Patents
Continuous digester with inverted top separator Download PDFInfo
- Publication number
- CA2285714C CA2285714C CA002285714A CA2285714A CA2285714C CA 2285714 C CA2285714 C CA 2285714C CA 002285714 A CA002285714 A CA 002285714A CA 2285714 A CA2285714 A CA 2285714A CA 2285714 C CA2285714 C CA 2285714C
- Authority
- CA
- Canada
- Prior art keywords
- digester
- liquid
- separator
- liquor
- chips
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
- D21C7/06—Feeding 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
- 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
- D21C7/00—Digesters
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/192,578 US6174411B1 (en) | 1997-02-10 | 1998-11-17 | Continuous digester with inverted top separator |
US09/192,578 | 1998-11-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2285714A1 CA2285714A1 (en) | 2000-05-17 |
CA2285714C true CA2285714C (en) | 2004-09-21 |
Family
ID=22710253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002285714A Expired - Fee Related CA2285714C (en) | 1998-11-17 | 1999-10-07 | Continuous digester with inverted top separator |
Country Status (4)
Country | Link |
---|---|
JP (2) | JP3461311B2 (fi) |
CA (1) | CA2285714C (fi) |
FI (1) | FI122630B (fi) |
SE (1) | SE522877C2 (fi) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7309401B2 (en) * | 2003-05-12 | 2007-12-18 | Andritz Inc. | Top separator for gas phase and hydraulic phase continuous digesters and method for converting digester |
KR100692394B1 (ko) | 2005-08-10 | 2007-03-09 | 주식회사 새 한 | 보론 제거 기능이 있는 역삼투 분리막의 제조방법 |
SE529573C2 (sv) * | 2006-12-13 | 2007-09-18 | Metso Fiber Karlstad Ab | Metod för att energieffektivt producera cellulosamassa i ett kontinuerligt kokeri |
US8734610B2 (en) * | 2007-05-23 | 2014-05-27 | Andritz Inc. | Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method |
US20090188641A1 (en) * | 2008-01-30 | 2009-07-30 | Andritz Inc. | Method and system for measuring and controlling digester or impregnation vessel chip level by measuring chip pressure |
SE543151C2 (en) * | 2018-07-02 | 2020-10-13 | Valmet Oy | Feeding system and method for feeding comminuted cellulosic material to a high-pressure treatment zone |
-
1999
- 1999-09-24 SE SE9903470A patent/SE522877C2/sv not_active IP Right Cessation
- 1999-09-30 FI FI992099A patent/FI122630B/fi not_active IP Right Cessation
- 1999-10-07 CA CA002285714A patent/CA2285714C/en not_active Expired - Fee Related
- 1999-11-16 JP JP32533699A patent/JP3461311B2/ja not_active Expired - Fee Related
-
2003
- 2003-06-17 JP JP2003172243A patent/JP3898160B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3461311B2 (ja) | 2003-10-27 |
CA2285714A1 (en) | 2000-05-17 |
JP3898160B2 (ja) | 2007-03-28 |
FI19992099A (fi) | 2000-05-17 |
JP2003328286A (ja) | 2003-11-19 |
SE9903470L (sv) | 2000-05-18 |
JP2000154486A (ja) | 2000-06-06 |
SE9903470D0 (sv) | 1999-09-24 |
SE522877C2 (sv) | 2004-03-16 |
FI122630B (fi) | 2012-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20141007 |