FR2479295B2 - - Google Patents
Info
- Publication number
- FR2479295B2 FR2479295B2 FR8007170A FR8007170A FR2479295B2 FR 2479295 B2 FR2479295 B2 FR 2479295B2 FR 8007170 A FR8007170 A FR 8007170A FR 8007170 A FR8007170 A FR 8007170A FR 2479295 B2 FR2479295 B2 FR 2479295B2
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8007170A FR2479295A2 (fr) | 1980-03-31 | 1980-03-31 | Procede de delignification de pate a papier chimique ecrue |
| AU57450/80A AU539108B2 (en) | 1979-04-17 | 1980-04-15 | Delignification of unbleached chemical pulp |
| CA000349872A CA1151363A (en) | 1979-04-17 | 1980-04-15 | Process for the delignification of unbleached chemical pulp |
| DE8080400516T DE3061582D1 (en) | 1979-04-17 | 1980-04-16 | Process for the delignification of unbleached chemical paper pulp |
| FI801211A FI67242B (fi) | 1979-04-17 | 1980-04-16 | Saett att avlaegsna lignin fraon oblekt kemisk pappersmassa |
| AT80400516T ATE2232T1 (de) | 1979-04-17 | 1980-04-16 | Verfahren zur delignifizierung von ungebleichtem chemischem papierzellstoff. |
| OA57086A OA06515A (fr) | 1979-04-17 | 1980-04-16 | Procédé de délignification de pâte à papier chimique écrue. |
| EP80400516A EP0018287B1 (fr) | 1979-04-17 | 1980-04-16 | Procédé de délignification de pâte à papier chimique écrue |
| NZ193456A NZ193456A (en) | 1979-04-17 | 1980-04-16 | Peroxide delignification of unbleached chemical wood pulp |
| BR8002356A BR8002356A (pt) | 1979-04-17 | 1980-04-16 | Processo de deslignificacao de pasta de papel quimica crua |
| US06/368,142 US4462864A (en) | 1979-04-17 | 1982-04-14 | Process for the delignification of unbleached chemical pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8007170A FR2479295A2 (fr) | 1980-03-31 | 1980-03-31 | Procede de delignification de pate a papier chimique ecrue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2479295A2 FR2479295A2 (fr) | 1981-10-02 |
| FR2479295B2 true FR2479295B2 (enExample) | 1982-12-10 |
Family
ID=9240315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8007170A Granted FR2479295A2 (fr) | 1979-04-17 | 1980-03-31 | Procede de delignification de pate a papier chimique ecrue |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2479295A2 (enExample) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA558246A (en) * | 1958-06-03 | L. Mcewen Robert | High temperature pulp bleaching | |
| NO117673B (enExample) * | 1962-02-14 | 1969-09-08 | Svenska Cellulosa Ab |
-
1980
- 1980-03-31 FR FR8007170A patent/FR2479295A2/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2479295A2 (fr) | 1981-10-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| TP | Transmission of property |