SE0301162D0 - Metod för impregnering av flis i samband med sulfatkokning av cellulosamassa - Google Patents
Metod för impregnering av flis i samband med sulfatkokning av cellulosamassaInfo
- Publication number
- SE0301162D0 SE0301162D0 SE0301162A SE0301162A SE0301162D0 SE 0301162 D0 SE0301162 D0 SE 0301162D0 SE 0301162 A SE0301162 A SE 0301162A SE 0301162 A SE0301162 A SE 0301162A SE 0301162 D0 SE0301162 D0 SE 0301162D0
- Authority
- SE
- Sweden
- Prior art keywords
- chips
- connection
- wood chips
- cellulose pulp
- subsequent
- 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
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0301162A SE525064C2 (sv) | 2003-04-17 | 2003-04-17 | Metod för impregnering av flis med sur behandlingsvätska i samband med sulfatkokning av cellulosamassa |
AT04723440T ATE519888T1 (de) | 2003-04-17 | 2004-03-25 | Tränkung von schnitzeln mit saurer lauge vor sulfataufschlussverfahren |
US10/551,100 US7445691B2 (en) | 2003-04-17 | 2004-03-25 | Impregnation of chips with an acid liquid prior to a sulphate pulping process |
PCT/SE2004/000454 WO2004092478A1 (en) | 2003-04-17 | 2004-03-25 | Impregnation of chips with an acid liquid prior to a sulphate pulping process |
EP20040723440 EP1618248B1 (en) | 2003-04-17 | 2004-03-25 | Impregnation of chips with an acid liquid prior to a sulphate pulping process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0301162A SE525064C2 (sv) | 2003-04-17 | 2003-04-17 | Metod för impregnering av flis med sur behandlingsvätska i samband med sulfatkokning av cellulosamassa |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0301162D0 true SE0301162D0 (sv) | 2003-04-17 |
SE0301162L SE0301162L (sv) | 2004-10-18 |
SE525064C2 SE525064C2 (sv) | 2004-11-23 |
Family
ID=20291080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0301162A SE525064C2 (sv) | 2003-04-17 | 2003-04-17 | Metod för impregnering av flis med sur behandlingsvätska i samband med sulfatkokning av cellulosamassa |
Country Status (5)
Country | Link |
---|---|
US (1) | US7445691B2 (sv) |
EP (1) | EP1618248B1 (sv) |
AT (1) | ATE519888T1 (sv) |
SE (1) | SE525064C2 (sv) |
WO (1) | WO2004092478A1 (sv) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2638159C (en) | 2008-07-24 | 2012-09-11 | Sunopta Bioprocess Inc. | Method and apparatus for treating a cellulosic feedstock |
US9127325B2 (en) | 2008-07-24 | 2015-09-08 | Abengoa Bioenergy New Technologies, Llc. | Method and apparatus for treating a cellulosic feedstock |
CA2650919C (en) | 2009-01-23 | 2014-04-22 | Sunopta Bioprocess Inc. | Method and apparatus for conveying a cellulosic feedstock |
CA2650913C (en) | 2009-01-23 | 2013-10-15 | Sunopta Bioprocess Inc. | Method and apparatus for conveying a cellulosic feedstock |
CA2638150C (en) | 2008-07-24 | 2012-03-27 | Sunopta Bioprocess Inc. | Method and apparatus for conveying a cellulosic feedstock |
US8915644B2 (en) | 2008-07-24 | 2014-12-23 | Abengoa Bioenergy New Technologies, Llc. | Method and apparatus for conveying a cellulosic feedstock |
CA2638160C (en) | 2008-07-24 | 2015-02-17 | Sunopta Bioprocess Inc. | Method and apparatus for conveying a cellulosic feedstock |
CA2638157C (en) | 2008-07-24 | 2013-05-28 | Sunopta Bioprocess Inc. | Method and apparatus for conveying a cellulosic feedstock |
US8986500B2 (en) * | 2009-02-17 | 2015-03-24 | Valmet Aktiebolag | Arrangement and method for the continuous steam pre-treatment of chips during the production of cellulose pulp |
EP2767633A1 (en) | 2009-08-24 | 2014-08-20 | Abengoa Bioenergy New Technologies, Inc. | Method for producing ethanol, and co-products from cellulosic biomass |
CN102439072B (zh) | 2010-05-07 | 2015-03-25 | 阿文戈亚生物能源新技术公司 | 从制备乙醇中获得的发酵物质中回收有价值物的方法及其产物 |
EP2592186A1 (en) | 2011-11-08 | 2013-05-15 | Södra Cell AB | Kraft pulping process |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3520773A (en) * | 1968-05-17 | 1970-07-14 | Mac Millan Bloedel Ltd | Alkaline pulping processes with chemical pretreatment |
US3841962A (en) * | 1972-07-31 | 1974-10-15 | Mac Millan Bloedel Ltd | Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes |
US4475984A (en) * | 1981-08-17 | 1984-10-09 | International Paper Co. | Process for pretreating wood chips with monoperoxy sulfuric acid or its salts prior to alkaline pulping |
US4436586A (en) * | 1982-01-22 | 1984-03-13 | Kamyr, Inc. | Method of producing kraft pulp using an acid prehydrolysis and pre-extraction |
IT1258844B (it) * | 1992-01-31 | 1996-02-29 | Ausimont Spa | Procedimento per la delignificazione di cellulosa grezza |
SE506702C2 (sv) * | 1996-04-30 | 1998-02-02 | Kvaerner Pulping Tech | Förbehandling av fibermaterial med in situ bildad vätesulfid |
US6203662B1 (en) * | 1997-08-07 | 2001-03-20 | Kvaerner Pulping Ab | Method for the continuous cooking of pulp in a digester system having a top separator |
FI122654B (sv) * | 1997-12-08 | 2012-05-15 | Ovivo Luxembourg Sarl | Förfarande för framställning av papperscellulosamassa |
-
2003
- 2003-04-17 SE SE0301162A patent/SE525064C2/sv not_active IP Right Cessation
-
2004
- 2004-03-25 WO PCT/SE2004/000454 patent/WO2004092478A1/en active Application Filing
- 2004-03-25 US US10/551,100 patent/US7445691B2/en not_active Expired - Fee Related
- 2004-03-25 AT AT04723440T patent/ATE519888T1/de not_active IP Right Cessation
- 2004-03-25 EP EP20040723440 patent/EP1618248B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE519888T1 (de) | 2011-08-15 |
US20060213629A1 (en) | 2006-09-28 |
SE0301162L (sv) | 2004-10-18 |
EP1618248B1 (en) | 2011-08-10 |
WO2004092478A1 (en) | 2004-10-28 |
US7445691B2 (en) | 2008-11-04 |
SE525064C2 (sv) | 2004-11-23 |
EP1618248A1 (en) | 2006-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |