BE638828A - - Google Patents
Info
- Publication number
- BE638828A BE638828A BE638828DA BE638828A BE 638828 A BE638828 A BE 638828A BE 638828D A BE638828D A BE 638828DA BE 638828 A BE638828 A BE 638828A
- Authority
- BE
- Belgium
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
- D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED40085A DE1228136B (de) | 1962-10-18 | 1962-10-18 | Verfahren zum reduzierenden Bleichen von Holzschliff und anderen Papierfaserstoffen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE638828A true BE638828A (en:Method) |
Family
ID=7045166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE638828D BE638828A (en:Method) | 1962-10-18 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE638828A (en:Method) |
| DE (1) | DE1228136B (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0027369A1 (en) * | 1979-10-12 | 1981-04-22 | Thiokol Corporation | Stable precursor solution for the generation of hydrosulfite and use thereof in bleaching wood pulp, brightening kaolin clay and reducing vat dyestuffs to their leuco form |
| GB9212926D0 (en) * | 1992-06-18 | 1992-07-29 | Morton Int Inc | Method of bleaching paper pulp |
-
0
- BE BE638828D patent/BE638828A/xx unknown
-
1962
- 1962-10-18 DE DED40085A patent/DE1228136B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1228136B (de) | 1966-11-03 |