SE8900200L - Metod foer bestaemning av ligninupploesningen vid alkalisk kokning - Google Patents
Metod foer bestaemning av ligninupploesningen vid alkalisk kokningInfo
- Publication number
- SE8900200L SE8900200L SE8900200A SE8900200A SE8900200L SE 8900200 L SE8900200 L SE 8900200L SE 8900200 A SE8900200 A SE 8900200A SE 8900200 A SE8900200 A SE 8900200A SE 8900200 L SE8900200 L SE 8900200L
- Authority
- SE
- Sweden
- Prior art keywords
- boiling
- alkalk
- cooking
- determining
- lignin
- 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
- D21C7/00—Digesters
- D21C7/12—Devices for regulating or controlling
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Paper (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI880226A FI79359C (sv) | 1988-01-20 | 1988-01-20 | Förfarande för kontroll av ligninets upplösning vid alkaliska massakok |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8900200D0 SE8900200D0 (sv) | 1989-01-20 |
| SE8900200L true SE8900200L (sv) | 1989-07-21 |
Family
ID=8525747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8900200A SE8900200L (sv) | 1988-01-20 | 1989-01-20 | Metod foer bestaemning av ligninupploesningen vid alkalisk kokning |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3901662A1 (sv) |
| FI (1) | FI79359C (sv) |
| SE (1) | SE8900200L (sv) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9017325U1 (de) * | 1990-12-21 | 1992-01-02 | Siemens AG, 8000 München | Prozeßleitsystem zur Steuerung der Herstellung von Zellstoff |
| DE19653479C1 (de) * | 1996-12-20 | 1998-09-03 | Siemens Ag | Verfahren und Vorrichtung zur Prozeßführung und zur Prozeßoptimierung beim Bleichen von Faserstoffen |
| US6023065A (en) * | 1997-03-10 | 2000-02-08 | Alberta Research Council | Method and apparatus for monitoring and controlling characteristics of process effluents |
| US20230002433A1 (en) | 2019-12-06 | 2023-01-05 | Basf Se | Method for preparation of lignin oligomers |
| CN116601237A (zh) | 2020-12-07 | 2023-08-15 | 巴斯夫欧洲公司 | 木质素的内酰胺水溶液 |
| AU2021405762A1 (en) | 2020-12-23 | 2023-07-06 | Basf Se | Binder composition comprising polyamine(s) as well as 1,3 -dihydroxyacetone, glycolaldehyde and/or glyceraldehyde for composite articles |
| PT4267636T (pt) | 2020-12-23 | 2025-03-24 | Basf Se | Composição aglutinante compreendendo poliamina(s) e hidroxiacetona para artigos compósitos |
| WO2026013025A1 (en) | 2024-07-12 | 2026-01-15 | Basf Se | Lignin-based polyols and a process for the preparation thereof |
-
1988
- 1988-01-20 FI FI880226A patent/FI79359C/sv not_active IP Right Cessation
-
1989
- 1989-01-20 DE DE19893901662 patent/DE3901662A1/de not_active Withdrawn
- 1989-01-20 SE SE8900200A patent/SE8900200L/sv not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FI79359C (sv) | 1989-12-11 |
| FI880226A0 (fi) | 1988-01-20 |
| DE3901662A1 (de) | 1989-07-27 |
| SE8900200D0 (sv) | 1989-01-20 |
| FI79359B (fi) | 1989-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 8900200-0 Effective date: 19920801 |