FR2324793A1 - Procede de production d'une pate a papier avec un rendement tres eleve - Google Patents
Procede de production d'une pate a papier avec un rendement tres eleveInfo
- Publication number
- FR2324793A1 FR2324793A1 FR7627828A FR7627828A FR2324793A1 FR 2324793 A1 FR2324793 A1 FR 2324793A1 FR 7627828 A FR7627828 A FR 7627828A FR 7627828 A FR7627828 A FR 7627828A FR 2324793 A1 FR2324793 A1 FR 2324793A1
- Authority
- FR
- France
- Prior art keywords
- production
- high yield
- paper pulp
- pulp
- paper
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
-
- 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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3837775 | 1975-09-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2324793A1 true FR2324793A1 (fr) | 1977-04-15 |
FR2324793B3 FR2324793B3 (fr) | 1979-06-01 |
Family
ID=10403089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7627828A Granted FR2324793A1 (fr) | 1975-09-18 | 1976-09-16 | Procede de production d'une pate a papier avec un rendement tres eleve |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5240603A (fr) |
CA (1) | CA1094263A (fr) |
FI (1) | FI762641A (fr) |
FR (1) | FR2324793A1 (fr) |
NO (1) | NO763179L (fr) |
SE (1) | SE7610345L (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3346528A1 (de) * | 1983-01-12 | 1984-07-12 | Billerud AB, Säffle | Verfahren zum behandeln von holzspaenen |
WO2008138424A1 (fr) * | 2007-05-11 | 2008-11-20 | Voith Patent Gmbh | Lessive résiduaire d'un rejet de sulfite |
-
1976
- 1976-09-10 CA CA260,981A patent/CA1094263A/fr not_active Expired
- 1976-09-15 FI FI762641A patent/FI762641A/fi not_active Application Discontinuation
- 1976-09-16 FR FR7627828A patent/FR2324793A1/fr active Granted
- 1976-09-16 NO NO763179A patent/NO763179L/no unknown
- 1976-09-17 SE SE7610345A patent/SE7610345L/xx unknown
- 1976-09-17 JP JP51111654A patent/JPS5240603A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3346528A1 (de) * | 1983-01-12 | 1984-07-12 | Billerud AB, Säffle | Verfahren zum behandeln von holzspaenen |
FR2539155A1 (fr) * | 1983-01-12 | 1984-07-13 | Billeruds Ab | Traitement de copeaux de bois |
WO2008138424A1 (fr) * | 2007-05-11 | 2008-11-20 | Voith Patent Gmbh | Lessive résiduaire d'un rejet de sulfite |
Also Published As
Publication number | Publication date |
---|---|
CA1094263A (fr) | 1981-01-27 |
JPS5240603A (en) | 1977-03-29 |
FI762641A (fr) | 1977-03-19 |
SE7610345L (sv) | 1977-03-19 |
NO763179L (fr) | 1977-03-21 |
FR2324793B3 (fr) | 1979-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |