FR1489262A - Bleaching of wood pulp - Google Patents
Bleaching of wood pulpInfo
- Publication number
- FR1489262A FR1489262A FR67316A FR67316A FR1489262A FR 1489262 A FR1489262 A FR 1489262A FR 67316 A FR67316 A FR 67316A FR 67316 A FR67316 A FR 67316A FR 1489262 A FR1489262 A FR 1489262A
- Authority
- FR
- France
- Prior art keywords
- bleaching
- wood pulp
- pulp
- wood
- 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.)
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR67316A FR1489262A (en) | 1966-06-28 | 1966-06-28 | Bleaching of wood pulp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR67316A FR1489262A (en) | 1966-06-28 | 1966-06-28 | Bleaching of wood pulp |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1489262A true FR1489262A (en) | 1967-07-21 |
Family
ID=8612017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR67316A Expired FR1489262A (en) | 1966-06-28 | 1966-06-28 | Bleaching of wood pulp |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1489262A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454478A1 (en) * | 1979-04-16 | 1980-11-14 | Erco Ind Ltd | Two=stage pulp bleaching - using chlorine di:oxide and chlorine in first stage and chlorine alone in second state (SE 17.11.80) |
-
1966
- 1966-06-28 FR FR67316A patent/FR1489262A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454478A1 (en) * | 1979-04-16 | 1980-11-14 | Erco Ind Ltd | Two=stage pulp bleaching - using chlorine di:oxide and chlorine in first stage and chlorine alone in second state (SE 17.11.80) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT277143B (en) | Bleach | |
CH542922A (en) | Bleach | |
CH450122A (en) | Disintegrator | |
FR1532795A (en) | Wood disintegrator | |
FR1532796A (en) | Wood disintegrator | |
FI45247C (en) | Cellulose bleaching plant. | |
FR1542837A (en) | Process for drying and bleaching mechanical wood pulps | |
AT275490B (en) | Stabilized solution of ketone peroxides | |
CH471648A (en) | Veneer lumber | |
FI44325C (en) | Method for bleaching cellulose pulp | |
FI42913C (en) | Dewatering member | |
FR1511478A (en) | Pulp scrubber | |
CH468489A (en) | Heald | |
FR1489262A (en) | Bleaching of wood pulp | |
CA686115A (en) | Bleaching of wood pulp | |
ZA696595B (en) | Bleaching of wood pulp | |
FR1423278A (en) | Wooden beam | |
FR1401122A (en) | Wood pulp bleaching process | |
FI48367C (en) | Bleaching method for cellulose pulp. | |
CH471217A (en) | White detergent | |
AT280931B (en) | Bleaching composition | |
FR1502693A (en) | Wood disintegrator | |
FI44326C (en) | Pulp grinder | |
AT282227B (en) | Pickups | |
FI43809C (en) | Reducing bleaching of the pulp is reduced |