FI182874A - - Google Patents
Info
- Publication number
- FI182874A FI182874A FI1828/74A FI182874A FI182874A FI 182874 A FI182874 A FI 182874A FI 1828/74 A FI1828/74 A FI 1828/74A FI 182874 A FI182874 A FI 182874A FI 182874 A FI182874 A FI 182874A
- Authority
- FI
- Finland
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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI741828A FI50745C (fi) | 1974-06-14 | 1974-06-14 | Menetelmä kahden kemikaalin annostuksen automaattiseksi säätämiseksi. |
| SE7506844A SE7506844L (sv) | 1974-06-14 | 1975-06-13 | Forfarande for automatisk reglering av doseringen av tva kemikalier |
| CA229,324A CA1057906A (en) | 1974-06-14 | 1975-06-13 | Method for automatic control of the dosageing of two chemicals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI741828A FI50745C (fi) | 1974-06-14 | 1974-06-14 | Menetelmä kahden kemikaalin annostuksen automaattiseksi säätämiseksi. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI182874A true FI182874A (de) | 1975-12-15 |
| FI50745B FI50745B (de) | 1976-03-01 |
| FI50745C FI50745C (fi) | 1976-06-10 |
Family
ID=8506257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI741828A FI50745C (fi) | 1974-06-14 | 1974-06-14 | Menetelmä kahden kemikaalin annostuksen automaattiseksi säätämiseksi. |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA1057906A (de) |
| FI (1) | FI50745C (de) |
| SE (1) | SE7506844L (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE510740C2 (sv) | 1996-11-26 | 1999-06-21 | Sunds Defibrator Ind Ab | Styrning av syrgasdelignifiering |
| US6153050A (en) * | 1998-03-24 | 2000-11-28 | Noranda Forest Inc. | Method and system for controlling the addition of bleaching reagents to obtain a substantially constant percentage of pulp delignification across the first bleaching/delignifying stage |
-
1974
- 1974-06-14 FI FI741828A patent/FI50745C/fi active
-
1975
- 1975-06-13 SE SE7506844A patent/SE7506844L/xx unknown
- 1975-06-13 CA CA229,324A patent/CA1057906A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1057906A (en) | 1979-07-10 |
| SE7506844L (sv) | 1975-12-15 |
| FI50745C (fi) | 1976-06-10 |
| FI50745B (de) | 1976-03-01 |