FR2276420B1 - - Google Patents
Info
- Publication number
- FR2276420B1 FR2276420B1 FR7421933A FR7421933A FR2276420B1 FR 2276420 B1 FR2276420 B1 FR 2276420B1 FR 7421933 A FR7421933 A FR 7421933A FR 7421933 A FR7421933 A FR 7421933A FR 2276420 B1 FR2276420 B1 FR 2276420B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- D21C3/26—Multistage processes
- D21C3/263—Multistage processes at least one stage being in presence of oxygen
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7421933A FR2276420A1 (fr) | 1974-06-24 | 1974-06-24 | Procede pour la fabrication de pates chimiques, par delignification de copeaux de matieres ligno-cellulosiques par l'oxygene en milieu alcalin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7421933A FR2276420A1 (fr) | 1974-06-24 | 1974-06-24 | Procede pour la fabrication de pates chimiques, par delignification de copeaux de matieres ligno-cellulosiques par l'oxygene en milieu alcalin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2276420A1 FR2276420A1 (fr) | 1976-01-23 |
| FR2276420B1 true FR2276420B1 (fi) | 1976-12-24 |
Family
ID=9140443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7421933A Granted FR2276420A1 (fr) | 1974-06-24 | 1974-06-24 | Procede pour la fabrication de pates chimiques, par delignification de copeaux de matieres ligno-cellulosiques par l'oxygene en milieu alcalin |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2276420A1 (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52148201A (en) * | 1976-06-01 | 1977-12-09 | Toyo Pulp Co Ltd | Process for making alkali pulp and lignin separation |
| FI103418B (fi) * | 1996-01-31 | 1999-06-30 | Sunds Defibrator Woodhandling | Menetelmä ja laite selluloosamassan valmistamiseen käytettävän kuituai neksen esikäsittelemiseksi |
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1974
- 1974-06-24 FR FR7421933A patent/FR2276420A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2276420A1 (fr) | 1976-01-23 |