FI46001C - Menetelmä sulfaattimassan keittämiseksi käyttäen polysulfideja. - Google Patents
Menetelmä sulfaattimassan keittämiseksi käyttäen polysulfideja.Info
- Publication number
- FI46001C FI46001C FI136567A FI136567A FI46001C FI 46001 C FI46001 C FI 46001C FI 136567 A FI136567 A FI 136567A FI 136567 A FI136567 A FI 136567A FI 46001 C FI46001 C FI 46001C
- Authority
- FI
- Finland
- Prior art keywords
- polysulphides
- cooking
- sulphate pulp
- sulphate
- pulp
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2151466 | 1966-05-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI46001B FI46001B (ja) | 1972-07-31 |
FI46001C true FI46001C (fi) | 1972-11-10 |
Family
ID=10164213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI136567A FI46001C (fi) | 1966-05-14 | 1967-05-12 | Menetelmä sulfaattimassan keittämiseksi käyttäen polysulfideja. |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1692846A1 (ja) |
FI (1) | FI46001C (ja) |
NO (1) | NO123511C (ja) |
SE (1) | SE317863B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE8106203L (sv) * | 1981-10-21 | 1983-04-22 | Nils V Mannbro | Sett for polysulfidbehandling av lignocellulosamaterial vid alkalisk massaframstellning |
FI71176C (fi) * | 1983-11-30 | 1991-12-03 | Ekono Oy | Foerfarande foer framstaellning av cellulosa med satsvis kokning. |
-
1967
- 1967-05-10 NO NO16808967A patent/NO123511C/no unknown
- 1967-05-11 SE SE6646/67A patent/SE317863B/xx unknown
- 1967-05-11 DE DE19671692846 patent/DE1692846A1/de active Pending
- 1967-05-12 FI FI136567A patent/FI46001C/fi active
Also Published As
Publication number | Publication date |
---|---|
FI46001B (ja) | 1972-07-31 |
SE317863B (ja) | 1969-11-24 |
NO123511B (ja) | 1971-11-29 |
DE1692846A1 (de) | 1971-10-21 |
NO123511C (ja) | 1976-07-22 |
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