SE8801419D0 - Procedure for monitoring alkaline pulping processes - Google Patents
Procedure for monitoring alkaline pulping processesInfo
- Publication number
- SE8801419D0 SE8801419D0 SE8801419A SE8801419A SE8801419D0 SE 8801419 D0 SE8801419 D0 SE 8801419D0 SE 8801419 A SE8801419 A SE 8801419A SE 8801419 A SE8801419 A SE 8801419A SE 8801419 D0 SE8801419 D0 SE 8801419D0
- Authority
- SE
- Sweden
- Prior art keywords
- procedure
- analyzed
- pulping processes
- delignification
- spent liquor
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI870312A FI77275C (fi) | 1987-01-23 | 1987-01-23 | Foerfarande foer styrning av alkaliska cellulosakok. |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8801419D0 true SE8801419D0 (sv) | 1988-04-18 |
SE458933B SE458933B (sv) | 1989-05-22 |
Family
ID=8523827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8801419A SE458933B (sv) | 1987-01-23 | 1988-04-18 | Foerfarande foer oevervakning av en alkalisk massaframstaellningsprocess |
Country Status (5)
Country | Link |
---|---|
US (1) | US4944841A ( ) |
JP (1) | JPH01282393A ( ) |
DE (1) | DE3812597A1 ( ) |
FI (1) | FI77275C ( ) |
SE (1) | SE458933B ( ) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI78130C (fi) * | 1987-11-27 | 1989-06-12 | Kajaani Electronics | Foerfarande foer bestaemning och kontroll av vedflisblandningarnas proportioner vid alkaliska massakok. |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI71584C (fi) * | 1985-01-17 | 1987-01-19 | Kajaani Electronics | Foerfarande foer styrning av alkaliska cellulosakok. |
-
1987
- 1987-01-23 FI FI870312A patent/FI77275C/fi not_active IP Right Cessation
-
1988
- 1988-04-15 DE DE3812597A patent/DE3812597A1/de not_active Withdrawn
- 1988-04-15 US US07/181,825 patent/US4944841A/en not_active Expired - Fee Related
- 1988-04-18 JP JP63095364A patent/JPH01282393A/ja active Pending
- 1988-04-18 SE SE8801419A patent/SE458933B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4944841A (en) | 1990-07-31 |
DE3812597A1 (de) | 1989-10-26 |
SE458933B (sv) | 1989-05-22 |
FI870312A (fi) | 1988-07-24 |
JPH01282393A (ja) | 1989-11-14 |
FI77275C (fi) | 1989-02-10 |
FI77275B (fi) | 1988-10-31 |
FI870312A0 (fi) | 1987-01-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3164680D1 (en) | A process for producing a wood composition using a liquid adhesive comprising a solution of lignin | |
SE9700143D0 (sv) | Kraftkokning i två steg | |
ES552920A0 (es) | Un metodo para fabricar pasta papelera quimico-mecanica a partir de material lignocelulosico, por ejemplo astillas | |
ATE130388T1 (de) | Verfahren zum bleichen von mechanischem holzstoff. | |
ES8704569A1 (es) | Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion | |
ATE14762T1 (de) | Verfahren zur verbesserung des waschens von cellulosepulpen, hergestellt aus lignocellulosematerial. | |
SE8801419D0 (sv) | Procedure for monitoring alkaline pulping processes | |
FI891559A (fi) | Foerfarande foer framstaellning av lignocellulosamaterialfibrer innehaollande produkter. | |
SE8403372D0 (sv) | Fremgangsmate til delignifisering av kjemisk masse | |
SE8600037D0 (sv) | A method for controlling alkaline pulping process | |
ES2091319T3 (es) | Proceso para preparar pasta kraft. | |
GB885605A (en) | Improved method for the production of neutral sulfite pulp | |
SE8900200L (sv) | Metod foer bestaemning av ligninupploesningen vid alkalisk kokning | |
SE8302870L (sv) | Forfarande for en snabb bestemning av halten av lignin, monosackarider och organiska syror i sulfitcellulosakokningens processlosningar | |
FI80731B (fi) | Foerfarande foer styrning av alkalisk cellulosakok. | |
SU1416576A1 (ru) | Способ получени целлюлозного полуфабриката | |
NO161663C (no) | Treforedlingsmiddete ti forbedre tre virkekvalitet. | |
SU644891A1 (ru) | Способ получени целлюлозы | |
SU1035110A1 (ru) | Способ получени целлюлозы | |
SU1180435A1 (ru) | Способ делигнификации целлюлозы | |
Pappens | Organocell. High quality, low pollution | |
SU376507A1 (ru) | Способ получения сульфитной целлюлозы | |
RU93031029A (ru) | Способ получения беленой целлюлозы | |
SU1304456A1 (ru) | Способ получения целлюлозы | |
ES2006197A6 (es) | Procedimiento para la formacion de pasta quimica |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8801419-6 Effective date: 19911108 Format of ref document f/p: F |