FI48860C - Multi - step process for bleaching sulphate pulp. - Google Patents
Multi - step process for bleaching sulphate pulp.Info
- Publication number
- FI48860C FI48860C FI672006A FI200667A FI48860C FI 48860 C FI48860 C FI 48860C FI 672006 A FI672006 A FI 672006A FI 200667 A FI200667 A FI 200667A FI 48860 C FI48860 C FI 48860C
- Authority
- FI
- Finland
- Prior art keywords
- step process
- sulphate pulp
- bleaching
- bleaching sulphate
- pulp
- Prior art date
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
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA966828 | 1966-07-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI48860B FI48860B (en) | 1974-09-30 |
FI48860C true FI48860C (en) | 1975-01-10 |
Family
ID=4142604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI672006A FI48860C (en) | 1966-07-29 | 1967-07-20 | Multi - step process for bleaching sulphate pulp. |
Country Status (2)
Country | Link |
---|---|
FI (1) | FI48860C (en) |
SE (1) | SE353357B (en) |
-
1967
- 1967-07-20 FI FI672006A patent/FI48860C/en active
- 1967-07-27 SE SE10901/67*A patent/SE353357B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FI48860B (en) | 1974-09-30 |
SE353357B (en) | 1973-01-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA956754B (en) | Sulphate or sulphite pulp process | |
FI50552C (en) | Method for bleaching mechanical pulp | |
FI45573C (en) | Method for the production of bleached pulp. | |
CA932908A (en) | Cellulosic bleaching process | |
FI45247C (en) | Cellulose bleaching plant. | |
FI44325C (en) | Method for bleaching cellulose pulp | |
OA00199A (en) | Process for bleaching cellulose pulp. | |
AT267434B (en) | Weaving process | |
AT282332B (en) | Device for dewatering aqueous pulp | |
ZA702034B (en) | Pulp bleaching process | |
FI48860C (en) | Multi - step process for bleaching sulphate pulp. | |
GB1119048A (en) | Process for bleaching out sensitizers | |
FI48367C (en) | Bleaching method for cellulose pulp. | |
FI45356C (en) | Pulp bleaching method. | |
FI50350C (en) | Multi - step process for bleaching cellulose pulp. | |
FI46001C (en) | Method for cooking sulphate pulp using polysulphides. | |
CH438913A (en) | Process for bleaching cellulose pulp | |
NL143295B (en) | PROCESS FOR PREPARING BLEACHED CELLULOSE PULP. | |
FI46088C (en) | Sulfur-added cellulose sulphate cooking process. | |
FR1437742A (en) | Pulp press | |
CA666223A (en) | Sulphite pulping process | |
AU422347B2 (en) | Sulfite pulping process | |
CA691623A (en) | Pulp bleaching | |
FR94026E (en) | Process for bleaching cellulosic materials. | |
FR1503634A (en) | Deacidification process |