EP3215672A4 - Method for operating a two vessel digester system - Google Patents
Method for operating a two vessel digester system Download PDFInfo
- Publication number
- EP3215672A4 EP3215672A4 EP15857624.9A EP15857624A EP3215672A4 EP 3215672 A4 EP3215672 A4 EP 3215672A4 EP 15857624 A EP15857624 A EP 15857624A EP 3215672 A4 EP3215672 A4 EP 3215672A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- operating
- digester system
- vessel digester
- vessel
- digester
- 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.)
- Granted
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
- D21C3/02—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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
-
- 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
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- D21C11/0028—Effluents derived from the washing or bleaching plants
-
- 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
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1451340A SE538452C2 (en) | 2014-11-07 | 2014-11-07 | Method for operating a two vessel digester system |
PCT/SE2015/051161 WO2016072919A1 (en) | 2014-11-07 | 2015-11-04 | Method for operating a two vessel digester system |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3215672A1 EP3215672A1 (en) | 2017-09-13 |
EP3215672A4 true EP3215672A4 (en) | 2018-05-02 |
EP3215672B1 EP3215672B1 (en) | 2019-01-23 |
Family
ID=55909499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15857624.9A Active EP3215672B1 (en) | 2014-11-07 | 2015-11-04 | Method for operating a two vessel digester system |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3215672B1 (en) |
BR (1) | BR112017009620B1 (en) |
CL (1) | CL2017001066A1 (en) |
SE (1) | SE538452C2 (en) |
WO (1) | WO2016072919A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109312537A (en) * | 2016-05-27 | 2019-02-05 | 维美德公司 | Dual alkali charging for tablet dipping |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5536366A (en) * | 1993-05-04 | 1996-07-16 | Ahlstrom Machinery Inc. | Digester system for implementing low dissolved solids profiling |
US5522958A (en) * | 1994-07-18 | 1996-06-04 | Pulp And Paper Research Institute Of Canada | Two-stage kraft cooking |
US6468390B1 (en) * | 1998-08-24 | 2002-10-22 | Kvaerner Pulping Ab | Method for continuous cooking of lignocellulosic fiber material |
FI990127A0 (en) * | 1999-01-22 | 1999-01-22 | Ahlstrom Machinery Oy | Process for treating pulp |
SE518957C2 (en) * | 2002-01-24 | 2002-12-10 | Kvaerner Pulping Tech | Process for increasing the heating economy of the boiler system during continuous boiling |
FI123023B (en) * | 2009-09-01 | 2012-10-15 | Andritz Oy | Method and apparatus for separating soap |
-
2014
- 2014-11-07 SE SE1451340A patent/SE538452C2/en unknown
-
2015
- 2015-11-04 EP EP15857624.9A patent/EP3215672B1/en active Active
- 2015-11-04 BR BR112017009620-0A patent/BR112017009620B1/en active IP Right Grant
- 2015-11-04 WO PCT/SE2015/051161 patent/WO2016072919A1/en active Application Filing
-
2017
- 2017-04-28 CL CL2017001066A patent/CL2017001066A1/en unknown
Non-Patent Citations (1)
Title |
---|
No further relevant documents disclosed * |
Also Published As
Publication number | Publication date |
---|---|
EP3215672A1 (en) | 2017-09-13 |
BR112017009620B1 (en) | 2022-04-12 |
EP3215672B1 (en) | 2019-01-23 |
CL2017001066A1 (en) | 2017-12-29 |
SE1451340A1 (en) | 2016-05-08 |
SE538452C2 (en) | 2016-07-05 |
BR112017009620A2 (en) | 2017-12-19 |
WO2016072919A1 (en) | 2016-05-12 |
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