DE1546282A1 - Verfahren und Anlage zum Bleichen von Zellulose - Google Patents
Verfahren und Anlage zum Bleichen von ZelluloseInfo
- Publication number
- DE1546282A1 DE1546282A1 DE19661546282 DE1546282A DE1546282A1 DE 1546282 A1 DE1546282 A1 DE 1546282A1 DE 19661546282 DE19661546282 DE 19661546282 DE 1546282 A DE1546282 A DE 1546282A DE 1546282 A1 DE1546282 A1 DE 1546282A1
- Authority
- DE
- Germany
- Prior art keywords
- bleaching
- cellulose
- pulp
- cellulose pulp
- chamber
- 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.)
- Pending
Links
- 229920002678 cellulose Polymers 0.000 title claims description 45
- 239000001913 cellulose Substances 0.000 title claims description 45
- 238000000034 method Methods 0.000 title claims description 37
- 238000004061 bleaching Methods 0.000 title claims description 31
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 13
- 239000007844 bleaching agent Substances 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims description 2
- 238000009896 oxidative bleaching Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 description 19
- 239000000123 paper Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- KEQKAMYELZXRRN-UHFFFAOYSA-L zinc;sulfanide Chemical compound [SH-].[SH-].[Zn+2] KEQKAMYELZXRRN-UHFFFAOYSA-L 0.000 description 1
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
-
- 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
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 |
|---|---|---|---|
| IT1018665 | 1965-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1546282A1 true DE1546282A1 (de) | 1969-10-02 |
Family
ID=11133959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661546282 Pending DE1546282A1 (de) | 1965-10-16 | 1966-05-13 | Verfahren und Anlage zum Bleichen von Zellulose |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT277748B (enExample) |
| BE (1) | BE681416A (enExample) |
| DE (1) | DE1546282A1 (enExample) |
| FI (1) | FI46865C (enExample) |
| FR (1) | FR1496386A (enExample) |
| NO (1) | NO119825B (enExample) |
| SE (1) | SE341517B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987005346A1 (en) * | 1986-03-04 | 1987-09-11 | Sulzer-Escher Wyss Gmbh | High temperature, high consistency bleaching |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU4404285A (en) * | 1984-05-15 | 1985-12-13 | Flinck Karl-Evert | Method of bleaching fibre pulp for the production of paper and paperboard |
-
1966
- 1966-05-13 DE DE19661546282 patent/DE1546282A1/de active Pending
- 1966-05-16 AT AT462766A patent/AT277748B/de not_active IP Right Cessation
- 1966-05-23 BE BE681416D patent/BE681416A/xx unknown
- 1966-06-02 SE SE758766A patent/SE341517B/xx unknown
- 1966-06-17 FI FI162466A patent/FI46865C/fi active
- 1966-06-29 NO NO16370866A patent/NO119825B/no unknown
- 1966-10-11 FR FR79457A patent/FR1496386A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987005346A1 (en) * | 1986-03-04 | 1987-09-11 | Sulzer-Escher Wyss Gmbh | High temperature, high consistency bleaching |
Also Published As
| Publication number | Publication date |
|---|---|
| AT277748B (de) | 1970-01-12 |
| NO119825B (enExample) | 1970-07-06 |
| FI46865C (fi) | 1973-07-10 |
| SE341517B (enExample) | 1971-12-27 |
| BE681416A (enExample) | 1966-10-31 |
| FI46865B (enExample) | 1973-04-02 |
| FR1496386A (fr) | 1967-09-29 |
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