FI77275C - Foerfarande foer styrning av alkaliska cellulosakok. - Google Patents
Foerfarande foer styrning av alkaliska cellulosakok. Download PDFInfo
- Publication number
- FI77275C FI77275C FI870312A FI870312A FI77275C FI 77275 C FI77275 C FI 77275C FI 870312 A FI870312 A FI 870312A FI 870312 A FI870312 A FI 870312A FI 77275 C FI77275 C FI 77275C
- Authority
- FI
- Finland
- Prior art keywords
- cooking
- lignin
- delignification
- analyzed
- process according
- 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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI870312A FI77275C (fi) | 1987-01-23 | 1987-01-23 | Foerfarande foer styrning av alkaliska cellulosakok. |
DE3812597A DE3812597A1 (de) | 1987-01-23 | 1988-04-15 | Ueberwachungsverfahren fuer alkalische kochverfahren von holz oder anderen cellulosehaltigen materialien |
US07/181,825 US4944841A (en) | 1987-01-23 | 1988-04-15 | Procedure for controlling alkaline pulping processes |
SE8801419A SE458933B (sv) | 1987-01-23 | 1988-04-18 | Foerfarande foer oevervakning av en alkalisk massaframstaellningsprocess |
JP63095364A JPH01282393A (ja) | 1987-01-23 | 1988-04-18 | アルカリ性パルプ化工程の制御方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI870312A FI77275C (fi) | 1987-01-23 | 1987-01-23 | Foerfarande foer styrning av alkaliska cellulosakok. |
FI870312 | 1987-01-23 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI870312A0 FI870312A0 (fi) | 1987-01-23 |
FI870312A FI870312A (fi) | 1988-07-24 |
FI77275B FI77275B (fi) | 1988-10-31 |
FI77275C true FI77275C (fi) | 1989-02-10 |
Family
ID=8523827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI870312A FI77275C (fi) | 1987-01-23 | 1987-01-23 | Foerfarande foer styrning av alkaliska cellulosakok. |
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 |
SE8801419D0 (sv) | 1988-04-18 |
FI870312A (fi) | 1988-07-24 |
JPH01282393A (ja) | 1989-11-14 |
FI77275B (fi) | 1988-10-31 |
FI870312A0 (fi) | 1987-01-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: KAJAANI ELEKTRONIIKKA OY |