BE448957A - - Google Patents
Info
- Publication number
- BE448957A BE448957A BE448957DA BE448957A BE 448957 A BE448957 A BE 448957A BE 448957D A BE448957D A BE 448957DA BE 448957 A BE448957 A BE 448957A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulose
- wood
- pine wood
- sulfuric acid
- acid
- 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
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE233586X | 1942-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE448957A true BE448957A (fi) |
Family
ID=5886890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE448957D BE448957A (fi) | 1942-01-09 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE448957A (fi) |
| NL (1) | NL59794C (fi) |
-
0
- BE BE448957D patent/BE448957A/fr unknown
- NL NL59794D patent/NL59794C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| NL59794C (fi) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1206704A (fr) | Procede pour le traitement de pates papetieres chimiques | |
| BE448957A (fi) | ||
| FR2570706A1 (fr) | Procede cyclique pour preparer une solution d'alcali de carbamate de cellulose, pour precipiter le carbamate et pour recuperer les produits chimiques | |
| FR2495654A1 (fr) | Procede pour la fabrication de pates speciales a teneur elevee en a-cellulose, a stades de cuisson multiples, comprenant une prehydrolyse acide | |
| CA1310452C (fr) | Procede de preparation de pates chimicothermomecaniques | |
| BE411850A (fi) | ||
| BE537851A (fi) | ||
| CH529863A (fr) | Dispositif pour la récupération et l'évacuation de la fausse lisière dans un métier à tisser sans navette | |
| BE505247A (fi) | ||
| BE428871A (fr) | Perfectionnements au traitement des matières textiles | |
| US1001284A (en) | Process for obtaining textile fibers. | |
| GB2186002A (en) | Treatment of flax | |
| BE484649A (fi) | ||
| BE432833A (fi) | ||
| BE429467A (fi) | ||
| BE452574A (fi) | ||
| BE441500A (fi) | ||
| BE452027A (fi) | ||
| BE454017A (fi) | ||
| BE355629A (fi) | ||
| BE472981A (fi) | ||
| BE435029A (fi) | ||
| BE446019A (fi) | ||
| BE456678A (fi) | ||
| BE428611A (fi) |