FI62688C - Saett att foerbaettra homogeniteten vid periodisk kokning av lignocellulosahaltigt material - Google Patents
Saett att foerbaettra homogeniteten vid periodisk kokning av lignocellulosahaltigt material Download PDFInfo
- Publication number
- FI62688C FI62688C FI760847A FI760847A FI62688C FI 62688 C FI62688 C FI 62688C FI 760847 A FI760847 A FI 760847A FI 760847 A FI760847 A FI 760847A FI 62688 C FI62688 C FI 62688C
- Authority
- FI
- Finland
- Prior art keywords
- digester
- cooking
- circulating flow
- boiling
- minutes
- 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
- D21C3/22—Other features of pulping processes
Landscapes
- Paper (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7504526A SE403308B (sv) | 1975-04-18 | 1975-04-18 | Sett att forbettra homogeniteten vid periodisk kokning av lignocellulosahaltigt material |
SE7504526 | 1975-04-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI760847A7 FI760847A7 (OSRAM) | 1976-10-19 |
FI62688B FI62688B (fi) | 1982-10-29 |
FI62688C true FI62688C (fi) | 1983-02-10 |
Family
ID=20324340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI760847A FI62688C (fi) | 1975-04-18 | 1976-03-30 | Saett att foerbaettra homogeniteten vid periodisk kokning av lignocellulosahaltigt material |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1081908A (OSRAM) |
FI (1) | FI62688C (OSRAM) |
FR (1) | FR2307911A1 (OSRAM) |
NO (1) | NO146960C (OSRAM) |
SE (1) | SE403308B (OSRAM) |
-
1975
- 1975-04-18 SE SE7504526A patent/SE403308B/xx unknown
-
1976
- 1976-03-30 FI FI760847A patent/FI62688C/fi not_active IP Right Cessation
- 1976-04-06 CA CA249,635A patent/CA1081908A/en not_active Expired
- 1976-04-08 FR FR7610228A patent/FR2307911A1/fr active Granted
- 1976-04-09 NO NO761240A patent/NO146960C/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO146960C (no) | 1983-01-05 |
FR2307911B1 (OSRAM) | 1979-06-29 |
FI62688B (fi) | 1982-10-29 |
SE7504526L (sv) | 1976-10-19 |
NO146960B (no) | 1982-09-27 |
NO761240L (OSRAM) | 1976-10-19 |
FI760847A7 (OSRAM) | 1976-10-19 |
FR2307911A1 (fr) | 1976-11-12 |
SE403308B (sv) | 1978-08-07 |
CA1081908A (en) | 1980-07-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: SCA DEVELOPMENT AKTIEBOLAG |