FI20115659A0 - Menetelmä selluloosamassan valmistamiseksi - Google Patents
Menetelmä selluloosamassan valmistamiseksiInfo
- Publication number
- FI20115659A0 FI20115659A0 FI20115659A FI20115659A FI20115659A0 FI 20115659 A0 FI20115659 A0 FI 20115659A0 FI 20115659 A FI20115659 A FI 20115659A FI 20115659 A FI20115659 A FI 20115659A FI 20115659 A0 FI20115659 A0 FI 20115659A0
- Authority
- FI
- Finland
- Prior art keywords
- production
- cellulosic pulp
- cellulosic
- pulp
- 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
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline 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
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20115659A FI127420B (fi) | 2011-06-23 | 2011-06-23 | Menetelmä selluloosamassan valmistamiseksi |
EP12172946.1A EP2537979B1 (en) | 2011-06-23 | 2012-06-21 | Method of producing cellulose pulp |
US13/530,277 US8758555B2 (en) | 2011-06-23 | 2012-06-22 | Method of producing cellulose pulp |
CA2780587A CA2780587A1 (en) | 2011-06-23 | 2012-06-22 | Method of producing cellulose pulp |
RU2012126021A RU2606867C2 (ru) | 2011-06-23 | 2012-06-22 | Способ изготовления целлюлозной массы |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20115659A FI127420B (fi) | 2011-06-23 | 2011-06-23 | Menetelmä selluloosamassan valmistamiseksi |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20115659A0 true FI20115659A0 (fi) | 2011-06-23 |
FI127420B FI127420B (fi) | 2018-05-31 |
Family
ID=44206867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20115659A FI127420B (fi) | 2011-06-23 | 2011-06-23 | Menetelmä selluloosamassan valmistamiseksi |
Country Status (5)
Country | Link |
---|---|
US (1) | US8758555B2 (fi) |
EP (1) | EP2537979B1 (fi) |
CA (1) | CA2780587A1 (fi) |
FI (1) | FI127420B (fi) |
RU (1) | RU2606867C2 (fi) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3661698A (en) * | 1969-10-08 | 1972-05-09 | Pulp Paper Res Inst | Production of pulp by a multi-stage ammonium polysulphide pulping process |
US3664919A (en) | 1969-12-09 | 1972-05-23 | Pulp Paper Res Inst | Vapor phase polysulphide liquid pulping of lignocellulosic materials |
SE9703365D0 (sv) * | 1997-09-18 | 1997-09-18 | Kvaerner Pulping Tech | Method in connection with impregnation and digestion of lignocelulosic material |
JP4205855B2 (ja) * | 1997-09-18 | 2009-01-07 | ケムレック アクチボラグ | ポリサルファイドパルプ化プロセス |
US6241851B1 (en) * | 1998-03-03 | 2001-06-05 | Andritz-Ahlstrom Inc. | Treatment of cellulose material with additives while producing cellulose pulp |
US6153052A (en) * | 1998-10-09 | 2000-11-28 | Pulp And Paper Research Institute Of Canada | Pulping process |
SE518538C2 (sv) | 2001-12-14 | 2002-10-22 | Kvaerner Pulping Tech | Förbehandling av flis med färsk vitlut före behandling med svartlut |
FI120361B (fi) | 2003-12-31 | 2009-09-30 | Gl & V Finance Hungary Kft | Eräkeittomenetelmä kraftmassan valmistamiseksi |
US20070240837A1 (en) * | 2006-04-13 | 2007-10-18 | Andritz Inc. | Hardwood alkaline pulping processes and systems |
US7828930B2 (en) | 2007-11-20 | 2010-11-09 | International Paper Company | Use of polysulfide in modified cooking |
RU2011144375A (ru) * | 2009-04-02 | 2013-05-10 | Оберн Юниверсити | Способ варки целлюлозы для повышения выхода и качества, включающий способы экстракции гемицеллюлозы и обработки лигноцеллюлозных материалов после экстракции гемицеллюлозы |
-
2011
- 2011-06-23 FI FI20115659A patent/FI127420B/fi active IP Right Grant
-
2012
- 2012-06-21 EP EP12172946.1A patent/EP2537979B1/en active Active
- 2012-06-22 RU RU2012126021A patent/RU2606867C2/ru active
- 2012-06-22 CA CA2780587A patent/CA2780587A1/en not_active Abandoned
- 2012-06-22 US US13/530,277 patent/US8758555B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2537979C0 (en) | 2024-03-27 |
FI127420B (fi) | 2018-05-31 |
CA2780587A1 (en) | 2012-12-23 |
US20120325417A1 (en) | 2012-12-27 |
EP2537979B1 (en) | 2024-03-27 |
RU2012126021A (ru) | 2013-12-27 |
RU2606867C2 (ru) | 2017-01-10 |
EP2537979A1 (en) | 2012-12-26 |
US8758555B2 (en) | 2014-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Transfer of assignment of patent |
Owner name: METSAE FIBRE OY |
|
PC | Transfer of assignment of patent |
Owner name: ANDRITZ OY |
|
FG | Patent granted |
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