GB1091124A - Process of bleaching paper pulp - Google Patents
Process of bleaching paper pulpInfo
- Publication number
- GB1091124A GB1091124A GB601565A GB601565A GB1091124A GB 1091124 A GB1091124 A GB 1091124A GB 601565 A GB601565 A GB 601565A GB 601565 A GB601565 A GB 601565A GB 1091124 A GB1091124 A GB 1091124A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulp
- weight
- density
- chlorine dioxide
- tower
- 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
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 3
- 238000004061 bleaching Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 14
- 239000004155 Chlorine dioxide Substances 0.000 abstract 7
- 235000019398 chlorine dioxide Nutrition 0.000 abstract 7
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 5
- 239000000920 calcium hydroxide Substances 0.000 abstract 5
- 238000005660 chlorination reaction Methods 0.000 abstract 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 3
- 239000000460 chlorine Substances 0.000 abstract 3
- 229910052801 chlorine Inorganic materials 0.000 abstract 3
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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
- D21C9/12—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)
- Paper (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR963419A FR1393492A (fr) | 1964-02-11 | 1964-02-11 | Perfectionnement au blanchiment des pâtes à papier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1091124A true GB1091124A (en) | 1967-11-15 |
Family
ID=8822925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB601565A Expired GB1091124A (en) | 1964-02-11 | 1965-02-11 | Process of bleaching paper pulp |
Country Status (8)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0181028A3 (en) * | 1984-11-09 | 1987-01-28 | Sicem Saga Spa | Apparatus and process for producing raw of bleached chemimechanical wood pulps by a continuous impregnation process |
| WO2004099492A3 (de) * | 2003-05-08 | 2004-12-09 | Papierfabrik Albbruck Gmbh & C | Verfahren zum bleichen von faserstoffen |
-
1964
- 1964-02-11 FR FR963419A patent/FR1393492A/fr not_active Expired
-
1965
- 1965-02-03 NO NO15662265A patent/NO117954B/no unknown
- 1965-02-09 BE BE659474D patent/BE659474A/xx unknown
- 1965-02-10 SE SE173765A patent/SE312971B/xx unknown
- 1965-02-10 DE DE19651546242 patent/DE1546242A1/de active Pending
- 1965-02-11 GB GB601565A patent/GB1091124A/en not_active Expired
- 1965-02-11 NL NL6501698A patent/NL6501698A/xx unknown
- 1965-02-11 FI FI33065A patent/FI45356C/fi active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0181028A3 (en) * | 1984-11-09 | 1987-01-28 | Sicem Saga Spa | Apparatus and process for producing raw of bleached chemimechanical wood pulps by a continuous impregnation process |
| WO2004099492A3 (de) * | 2003-05-08 | 2004-12-09 | Papierfabrik Albbruck Gmbh & C | Verfahren zum bleichen von faserstoffen |
Also Published As
| Publication number | Publication date |
|---|---|
| NO117954B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-10-13 |
| DE1546242A1 (de) | 1970-04-23 |
| NL6501698A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-08-12 |
| FR1393492A (fr) | 1965-03-26 |
| FI45356C (fi) | 1972-05-10 |
| BE659474A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-08-09 |
| SE312971B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-07-28 |
| FI45356B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-01-31 |
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