FR2480813B1 - - Google Patents
Info
- Publication number
- FR2480813B1 FR2480813B1 FR8009036A FR8009036A FR2480813B1 FR 2480813 B1 FR2480813 B1 FR 2480813B1 FR 8009036 A FR8009036 A FR 8009036A FR 8009036 A FR8009036 A FR 8009036A FR 2480813 B1 FR2480813 B1 FR 2480813B1
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1052—Controlling the process
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8009036A FR2480813A1 (fr) | 1980-04-22 | 1980-04-22 | Procede et appareil pour la delignification de matiere fibreuse cellulosique en vue de diminuer la quantite de matiere de refus dans la pate finale obtenue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8009036A FR2480813A1 (fr) | 1980-04-22 | 1980-04-22 | Procede et appareil pour la delignification de matiere fibreuse cellulosique en vue de diminuer la quantite de matiere de refus dans la pate finale obtenue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2480813A1 FR2480813A1 (fr) | 1981-10-23 |
| FR2480813B1 true FR2480813B1 (enExample) | 1982-04-09 |
Family
ID=9241225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8009036A Granted FR2480813A1 (fr) | 1980-04-22 | 1980-04-22 | Procede et appareil pour la delignification de matiere fibreuse cellulosique en vue de diminuer la quantite de matiere de refus dans la pate finale obtenue |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2480813A1 (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1045784B (de) * | 1956-11-27 | 1958-12-04 | Kopparfors Ab | Verfahren zur Kontrolle des Aufschlussgrades und zur Bestimmung der noch erforderlichen Kochzeit beim Zellstoffaufschluss |
-
1980
- 1980-04-22 FR FR8009036A patent/FR2480813A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2480813A1 (fr) | 1981-10-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |