FR2323806A1 - Procede et dispositif pour traiter des melanges contenant un liquide, notamment de la pate de cellulose - Google Patents
Procede et dispositif pour traiter des melanges contenant un liquide, notamment de la pate de celluloseInfo
- Publication number
- FR2323806A1 FR2323806A1 FR7627252A FR7627252A FR2323806A1 FR 2323806 A1 FR2323806 A1 FR 2323806A1 FR 7627252 A FR7627252 A FR 7627252A FR 7627252 A FR7627252 A FR 7627252A FR 2323806 A1 FR2323806 A1 FR 2323806A1
- Authority
- FR
- France
- Prior art keywords
- chlorine
- addn
- partial pressure
- inert gas
- prodn
- 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.)
- Withdrawn
Links
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title abstract 7
- 229910052801 chlorine Inorganic materials 0.000 title abstract 7
- 239000000460 chlorine Substances 0.000 title abstract 7
- 238000005660 chlorination reaction Methods 0.000 title abstract 3
- 239000011261 inert gas Substances 0.000 title abstract 3
- 239000012978 lignocellulosic material Substances 0.000 title abstract 2
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 230000035484 reaction time Effects 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
-
- 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 |
|---|---|
| FR2323806A1 true FR2323806A1 (fr) | 1977-04-08 |
Family
ID=20325537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7627252A Withdrawn FR2323806A1 (fr) | 1975-09-12 | 1976-09-10 | Procede et dispositif pour traiter des melanges contenant un liquide, notamment de la pate de cellulose |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5237805A (enrdf_load_stackoverflow) |
| AU (1) | AU1739176A (enrdf_load_stackoverflow) |
| BR (1) | BR7605949A (enrdf_load_stackoverflow) |
| DE (1) | DE2640864A1 (enrdf_load_stackoverflow) |
| FI (1) | FI762552A7 (enrdf_load_stackoverflow) |
| FR (1) | FR2323806A1 (enrdf_load_stackoverflow) |
| NO (1) | NO763110L (enrdf_load_stackoverflow) |
| SE (1) | SE393645B (enrdf_load_stackoverflow) |
| ZA (1) | ZA765443B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5166439A (enrdf_load_stackoverflow) * | 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 DE DE19762640864 patent/DE2640864A1/de active Pending
- 1976-09-10 FR FR7627252A patent/FR2323806A1/fr not_active Withdrawn
- 1976-09-10 JP JP51109354A patent/JPS5237805A/ja active Pending
- 1976-09-10 ZA ZA765443A patent/ZA765443B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2640864A1 (de) | 1977-03-17 |
| ZA765443B (en) | 1977-08-31 |
| AU1739176A (en) | 1978-03-09 |
| FI762552A7 (enrdf_load_stackoverflow) | 1977-03-13 |
| BR7605949A (pt) | 1977-08-16 |
| JPS5237805A (en) | 1977-03-24 |
| SE393645B (sv) | 1977-05-16 |
| NO763110L (enrdf_load_stackoverflow) | 1977-03-15 |
| SE7510218L (sv) | 1977-03-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |