SE7712486L - Forfarande for delignifiering av lignocellulosahaltigt material - Google Patents
Forfarande for delignifiering av lignocellulosahaltigt materialInfo
- Publication number
- SE7712486L SE7712486L SE7712486A SE7712486A SE7712486L SE 7712486 L SE7712486 L SE 7712486L SE 7712486 A SE7712486 A SE 7712486A SE 7712486 A SE7712486 A SE 7712486A SE 7712486 L SE7712486 L SE 7712486L
- Authority
- SE
- Sweden
- Prior art keywords
- delignification
- lignocellulose
- procedure
- lignocellulosic material
- phenazine
- 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
- D21C3/222—Use of compounds accelerating the pulping processes
Landscapes
- Paper (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7712486A SE408718B (sv) | 1977-11-04 | 1977-11-04 | Anvendning av heterocykliska foreningar som utbyteshojande tillsatsmedel vid delignifiering |
CA000315209A CA1192009A (en) | 1977-11-04 | 1978-10-31 | Process for delignifying lignocellulosic material in the presence of phenazine compounds |
FI783336A FI783336A (fi) | 1977-11-04 | 1978-11-01 | Foerfarande foer delignifiering av lignocellulosahaltigt material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7712486A SE408718B (sv) | 1977-11-04 | 1977-11-04 | Anvendning av heterocykliska foreningar som utbyteshojande tillsatsmedel vid delignifiering |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7712486L true SE7712486L (sv) | 1979-05-05 |
SE408718B SE408718B (sv) | 1979-07-02 |
Family
ID=20332783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7712486A SE408718B (sv) | 1977-11-04 | 1977-11-04 | Anvendning av heterocykliska foreningar som utbyteshojande tillsatsmedel vid delignifiering |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA1192009A (sv) |
FI (1) | FI783336A (sv) |
SE (1) | SE408718B (sv) |
-
1977
- 1977-11-04 SE SE7712486A patent/SE408718B/sv not_active IP Right Cessation
-
1978
- 1978-10-31 CA CA000315209A patent/CA1192009A/en not_active Expired
- 1978-11-01 FI FI783336A patent/FI783336A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
SE408718B (sv) | 1979-07-02 |
FI783336A (fi) | 1979-05-05 |
CA1192009A (en) | 1985-08-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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