SE9700283L - Framställningsprocess för pappersmassa - Google Patents
Framställningsprocess för pappersmassaInfo
- Publication number
- SE9700283L SE9700283L SE9700283A SE9700283A SE9700283L SE 9700283 L SE9700283 L SE 9700283L SE 9700283 A SE9700283 A SE 9700283A SE 9700283 A SE9700283 A SE 9700283A SE 9700283 L SE9700283 L SE 9700283L
- Authority
- SE
- Sweden
- Prior art keywords
- alkaline
- making process
- pulp making
- aqueous
- cooking
- 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
- D21C3/003—Pulping cellulose-containing materials with organic 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
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing 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
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0019696A AT404478B (de) | 1996-02-02 | 1996-02-02 | Celluloseherstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE9700283D0 SE9700283D0 (sv) | 1997-01-30 |
| SE9700283L true SE9700283L (sv) | 1997-08-03 |
Family
ID=3484037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9700283A SE9700283L (sv) | 1996-02-02 | 1997-01-30 | Framställningsprocess för pappersmassa |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT404478B (de) |
| BR (1) | BR9700837A (de) |
| FI (1) | FI970419L (de) |
| RU (1) | RU2135665C1 (de) |
| SE (1) | SE9700283L (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2217538C1 (ru) * | 2002-06-21 | 2003-11-27 | Кочетков Алексей Юрьевич | Способ получения полисульфидного щелока (варианты) |
| RU2237767C1 (ru) * | 2003-08-25 | 2004-10-10 | Архангельский государственный технический университет | Способ получения целлюлозы |
| RU2265685C1 (ru) * | 2004-11-25 | 2005-12-10 | Департамент промышленности и науки Пермской области | Способ получения волокнистого полуфабриката |
| EP2707539B1 (de) * | 2011-05-13 | 2019-05-08 | Valmet Aktiebolag | Kompaktes verfahren zur herstellung von vorhydrolysiertem zellstoff |
| US20140187759A1 (en) * | 2012-12-31 | 2014-07-03 | Api Intellectual Property Holdings, Llc | Biorefining processes and apparatus for separating cellulose hemicellulose, and lignin from biomass |
| US20140366870A1 (en) * | 2012-12-31 | 2014-12-18 | Api Intellectual Property Holdings, Llc | Methods for recovering and recycling salt byproducts in biorefinery processes |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE453841C (sv) * | 1984-10-10 | 1990-04-30 | Svenska Traeforskningsinst | Framstaellning av cellulosamassa med sulfit-sulfidkokvaetska |
| DE3518005A1 (de) * | 1985-05-18 | 1986-11-20 | Kraftanlagen Ag, 6900 Heidelberg | Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien |
| EP0211558A3 (de) * | 1985-07-26 | 1987-05-27 | Biodyne Chemicals, Inc. | Verfahren zum Aufschluss von Lignocellulosematerial |
| GB8721528D0 (en) * | 1987-09-14 | 1987-10-21 | Shell Int Research | Pulping lignocellulose-containing material |
| PT96722A (pt) * | 1990-02-12 | 1991-10-31 | Sappi Ltd | Processo para a producao de polpa a partir de um material contendo lignocelulose |
-
1996
- 1996-02-02 AT AT0019696A patent/AT404478B/de active
-
1997
- 1997-01-30 SE SE9700283A patent/SE9700283L/xx not_active Application Discontinuation
- 1997-01-31 RU RU97101666A patent/RU2135665C1/ru active
- 1997-01-31 BR BR9700837A patent/BR9700837A/pt active Search and Examination
- 1997-01-31 FI FI970419A patent/FI970419L/fi unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATA19696A (de) | 1998-04-15 |
| AT404478B (de) | 1998-11-25 |
| BR9700837A (pt) | 1998-12-08 |
| SE9700283D0 (sv) | 1997-01-30 |
| RU2135665C1 (ru) | 1999-08-27 |
| FI970419A7 (fi) | 1997-08-03 |
| FI970419L (fi) | 1997-08-03 |
| FI970419A0 (fi) | 1997-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
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