FR2174128B3 - - Google Patents
Info
- Publication number
- FR2174128B3 FR2174128B3 FR7307040A FR7307040A FR2174128B3 FR 2174128 B3 FR2174128 B3 FR 2174128B3 FR 7307040 A FR7307040 A FR 7307040A FR 7307040 A FR7307040 A FR 7307040A FR 2174128 B3 FR2174128 B3 FR 2174128B3
- Authority
- FR
- France
- 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
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
- 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 |
|---|---|---|---|
| FI52072A FI47786C (fi) | 1972-02-28 | 1972-02-28 | Menetelmä selluun kohdistuvan jatkuvan valkaisuprosessi automaattiseks i säätämiseksi. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2174128A1 FR2174128A1 (en) | 1973-10-12 |
| FR2174128B3 true FR2174128B3 (sl) | 1976-02-20 |
Family
ID=8504236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7307040A Granted FR2174128A1 (en) | 1972-02-28 | 1973-02-28 | Continuous cellulose bleaching - using reading as control parameter |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4898105A (sl) |
| AT (1) | AT326997B (sl) |
| DE (1) | DE2309119A1 (sl) |
| FI (1) | FI47786C (sl) |
| FR (1) | FR2174128A1 (sl) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE415580C (sv) * | 1977-05-11 | 1984-10-15 | Mo Och Domsjoe Ab | Forfarande for reglering av tillforseln av reaktionskemikalier vid delignifiering av cellulosamaterial |
| JPS6119896A (ja) * | 1984-07-05 | 1986-01-28 | 神崎製紙株式会社 | パルプ漂白工程に於ける塩素添加の制御方法 |
| SE455203B (sv) * | 1986-10-20 | 1988-06-27 | Eka Nobel Ab | Forfarande for styrning av peroxidblekning av massa |
| JPH073038B2 (ja) * | 1986-11-11 | 1995-01-18 | 新王子製紙株式会社 | パルプ漂白度制御方法 |
| JP5684655B2 (ja) * | 2011-06-24 | 2015-03-18 | 王子ホールディングス株式会社 | 漂白工程の多変数制御方法及びその装置 |
-
1972
- 1972-02-28 FI FI52072A patent/FI47786C/fi active
-
1973
- 1973-02-08 AT AT113873A patent/AT326997B/de not_active IP Right Cessation
- 1973-02-23 DE DE19732309119 patent/DE2309119A1/de active Pending
- 1973-02-27 JP JP2365373A patent/JPS4898105A/ja active Pending
- 1973-02-28 FR FR7307040A patent/FR2174128A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FI47786B (sl) | 1973-11-30 |
| FI47786C (fi) | 1974-03-11 |
| AT326997B (de) | 1976-01-12 |
| JPS4898105A (sl) | 1973-12-13 |
| FR2174128A1 (en) | 1973-10-12 |
| DE2309119A1 (de) | 1973-09-06 |
| ATA113873A (de) | 1975-03-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |