FI44325B - - Google Patents
Info
- Publication number
- FI44325B FI44325B FI186165A FI186165A FI44325B FI 44325 B FI44325 B FI 44325B FI 186165 A FI186165 A FI 186165A FI 186165 A FI186165 A FI 186165A FI 44325 B FI44325 B FI 44325B
- 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
- D21C9/1031—Pulse, dynamic, displacement processes
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 |
|---|---|---|---|
| GB3308964A GB1100724A (en) | 1964-08-13 | 1964-08-13 | Improvements in the bleaching of pulp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI44325B true FI44325B (fi) | 1971-06-30 |
| FI44325C FI44325C (fi) | 1971-10-11 |
Family
ID=10348429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI186165A FI44325C (fi) | 1964-08-13 | 1965-08-02 | Menetelmä selluloosamassan valkaisemiseksi |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4830963B1 (fi) |
| BE (1) | BE667857A (fi) |
| CA (1) | CA783483A (fi) |
| DE (1) | DE1546246B2 (fi) |
| FI (1) | FI44325C (fi) |
| FR (1) | FR1443743A (fi) |
| GB (1) | GB1100724A (fi) |
| NO (1) | NO122218B (fi) |
| SE (1) | SE306877B (fi) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE400997B (sv) * | 1972-12-15 | 1978-04-17 | Erco Envirotech Ltd | Sett for avlegsnande av natriumklorid ur regenererad vitlut |
| JPS5036368U (fi) * | 1973-07-25 | 1975-04-16 | ||
| JPS5038966U (fi) * | 1973-08-02 | 1975-04-22 | ||
| BR7506255A (pt) * | 1974-09-27 | 1976-08-31 | Erco Envirotech Ltd | Processo para a producao de polpa alvejada |
| SE426607B (sv) * | 1982-03-29 | 1983-01-31 | Kamyr Ab | Sett att behandla en massasuspension som er i rorelse lengs en bana medelst fortrengning av massans suspensionsvetska med en eller flera ersettningsvetskor |
| FI67891C (fi) * | 1983-02-17 | 1985-06-10 | Larox Ag | Foerfarande foer behandling av den fraon en cellulosas kokningsprocess erhaollna cellulosan |
| US4915785A (en) * | 1988-12-23 | 1990-04-10 | C-I-L Inc. | Single stage process for bleaching of pulp with an aqueous hydrogen peroxide bleaching composition containing magnesium sulphate and sodium silicate |
| FI85513C (fi) * | 1989-04-07 | 1992-04-27 | Salomans Oy | Foerfarande foer behandling av fibermassa med kemikalieloesning. |
-
0
- CA CA783483A patent/CA783483A/en not_active Expired
-
1964
- 1964-08-13 GB GB3308964A patent/GB1100724A/en not_active Expired
-
1965
- 1965-07-23 NO NO15907465A patent/NO122218B/no unknown
- 1965-07-29 DE DE1965E0029799 patent/DE1546246B2/de active Granted
- 1965-08-02 FI FI186165A patent/FI44325C/fi active
- 1965-08-04 SE SE1019365A patent/SE306877B/xx unknown
- 1965-08-04 BE BE667857D patent/BE667857A/xx unknown
- 1965-08-10 JP JP4825865A patent/JPS4830963B1/ja active Pending
- 1965-08-11 FR FR28014A patent/FR1443743A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI44325C (fi) | 1971-10-11 |
| NO122218B (fi) | 1971-06-01 |
| DE1546246A1 (de) | 1969-07-17 |
| JPS4830963B1 (fi) | 1973-09-26 |
| BE667857A (fi) | 1965-12-01 |
| SE306877B (fi) | 1968-12-09 |
| DE1546246B2 (de) | 1976-10-07 |
| CA783483A (en) | 1968-04-23 |
| FR1443743A (fr) | 1966-06-24 |
| GB1100724A (en) | 1968-01-24 |