FI48763B - - Google Patents
Info
- Publication number
- FI48763B FI48763B FI02706/66A FI270666A FI48763B FI 48763 B FI48763 B FI 48763B FI 02706/66 A FI02706/66 A FI 02706/66A FI 270666 A FI270666 A FI 270666A FI 48763 B FI48763 B FI 48763B
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous processes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50226965A | 1965-10-22 | 1965-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI48763B true FI48763B (nl) | 1974-09-02 |
Family
ID=23997068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI02706/66A FI48763B (nl) | 1965-10-22 | 1966-10-13 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3525665A (nl) |
| FI (1) | FI48763B (nl) |
| SE (1) | SE319961B (nl) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969184A (en) * | 1971-06-04 | 1976-07-13 | Defibrator Ab | Digestion odor control |
| US4089737A (en) * | 1974-02-18 | 1978-05-16 | Toyo Pulp Company, Ltd. | Delignification of cellulosic material with an alkaline aqueous medium containing oxygen dissolved therein |
| US4190490A (en) * | 1974-04-03 | 1980-02-26 | Domtar Inc. | Impregnation and digestion of wood chips |
| GB1505529A (en) * | 1974-06-14 | 1978-03-30 | Mo Och Domsjoe Ab | Method for the oxygen-gas delignification of lignocellulosic material and apparatus for carrying out the method |
| SE451149B (sv) * | 1983-01-26 | 1987-09-07 | Mo Och Domsjoe Ab | Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre |
| US4746404A (en) * | 1984-05-01 | 1988-05-24 | Laakso Oliver A | Chip presteaming and air washing |
| US4632729A (en) * | 1984-05-01 | 1986-12-30 | Laakso Oliver A | Chip presteaming and air washing |
| SE462287B (sv) * | 1987-11-04 | 1990-05-28 | Celleco Ab | Foerfarande och anlaeggning foer framstaellning av hoegutbytesmassor ur lignocellulosamateial |
| FI82079C (fi) * | 1989-04-27 | 1993-05-11 | Poeyry Jaakko & Co Oy | Foerfarande och anordning foer kontinuerlig kokning av cellulosa |
| US6126781A (en) * | 1991-08-01 | 2000-10-03 | Union Camp Patent Holding, Inc. | Process for conditioning ozone gas recycle stream in ozone pulp bleaching |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA463363A (en) * | 1950-02-28 | Gunnar Fadum Per | Process for continuously drawing off digested cellulose in continuous cellulose digestion | |
| US2996422A (en) * | 1958-04-23 | 1961-08-15 | Ed Jones Corp | Digestion of cellulosic material |
| US3259538A (en) * | 1963-04-22 | 1966-07-05 | Lummus Co | Comprehensive pulping system for producing paper pulp |
| US3446698A (en) * | 1965-06-01 | 1969-05-27 | Owens Illinois Inc | Method of impregnating and digesting cellulosic materials in a horizontal digestor |
-
1965
- 1965-10-22 US US502269A patent/US3525665A/en not_active Expired - Lifetime
-
1966
- 1966-10-13 FI FI02706/66A patent/FI48763B/fi active
- 1966-10-21 SE SE14427/66A patent/SE319961B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE319961B (nl) | 1970-01-26 |
| US3525665A (en) | 1970-08-25 |