NO763110L - - Google Patents
Info
- Publication number
- NO763110L NO763110L NO763110A NO763110A NO763110L NO 763110 L NO763110 L NO 763110L NO 763110 A NO763110 A NO 763110A NO 763110 A NO763110 A NO 763110A NO 763110 L NO763110 L NO 763110L
- Authority
- NO
- Norway
- Prior art keywords
- chlorine
- gas
- inert gas
- reaction zone
- partial pressure
- Prior art date
Links
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 120
- 239000000460 chlorine Substances 0.000 claims description 120
- 229910052801 chlorine Inorganic materials 0.000 claims description 120
- 239000011261 inert gas Substances 0.000 claims description 74
- 238000000034 method Methods 0.000 claims description 62
- 238000006243 chemical reaction Methods 0.000 claims description 54
- 239000007789 gas Substances 0.000 claims description 39
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 30
- 238000005660 chlorination reaction Methods 0.000 claims description 30
- 238000004061 bleaching Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 5
- 239000012978 lignocellulosic material Substances 0.000 claims 3
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 210000000078 claw Anatomy 0.000 claims 1
- 230000008569 process Effects 0.000 description 43
- 238000010790 dilution Methods 0.000 description 9
- 239000012895 dilution Substances 0.000 description 9
- 238000013461 design Methods 0.000 description 6
- 229920005610 lignin Polymers 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012332 laboratory investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
-
- 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
- D21C9/1052—Controlling the process
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 |
|---|---|---|---|
| SE7510218A SE393645B (sv) | 1975-09-12 | 1975-09-12 | Sett och anordning vid gasfasklorering av lignocellulosahaltigt material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO763110L true NO763110L (OSRAM) | 1977-03-15 |
Family
ID=20325537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO763110A NO763110L (OSRAM) | 1975-09-12 | 1976-09-10 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5237805A (OSRAM) |
| AU (1) | AU1739176A (OSRAM) |
| BR (1) | BR7605949A (OSRAM) |
| DE (1) | DE2640864A1 (OSRAM) |
| FI (1) | FI762552A7 (OSRAM) |
| FR (1) | FR2323806A1 (OSRAM) |
| NO (1) | NO763110L (OSRAM) |
| SE (1) | SE393645B (OSRAM) |
| ZA (1) | ZA765443B (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5166439A (OSRAM) * | 1974-12-04 | 1976-06-09 | Hitachi Ltd |
-
1975
- 1975-09-12 SE SE7510218A patent/SE393645B/xx unknown
-
1976
- 1976-09-02 AU AU17391/76A patent/AU1739176A/en not_active Expired
- 1976-09-06 FI FI762552A patent/FI762552A7/fi not_active Application Discontinuation
- 1976-09-09 BR BR7605949A patent/BR7605949A/pt unknown
- 1976-09-10 NO NO763110A patent/NO763110L/no unknown
- 1976-09-10 FR FR7627252A patent/FR2323806A1/fr not_active Withdrawn
- 1976-09-10 ZA ZA765443A patent/ZA765443B/xx unknown
- 1976-09-10 JP JP51109354A patent/JPS5237805A/ja active Pending
- 1976-09-10 DE DE19762640864 patent/DE2640864A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5237805A (en) | 1977-03-24 |
| FI762552A7 (OSRAM) | 1977-03-13 |
| BR7605949A (pt) | 1977-08-16 |
| DE2640864A1 (de) | 1977-03-17 |
| SE7510218L (sv) | 1977-03-13 |
| SE393645B (sv) | 1977-05-16 |
| AU1739176A (en) | 1978-03-09 |
| FR2323806A1 (fr) | 1977-04-08 |
| ZA765443B (en) | 1977-08-31 |
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