BE630337A - - Google Patents
Info
- Publication number
- BE630337A BE630337A BE630337DA BE630337A BE 630337 A BE630337 A BE 630337A BE 630337D A BE630337D A BE 630337DA BE 630337 A BE630337 A BE 630337A
- Authority
- BE
- Belgium
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
- D21C3/26—Multistage processes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US183785A US3313677A (en) | 1962-03-30 | 1962-03-30 | Two-stage continuous digestion with removal of liquor in first stage and recirculation of liquor in second stage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE630337A true BE630337A (de) |
Family
ID=22674275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE630337D BE630337A (de) | 1962-03-30 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3313677A (de) |
| BE (1) | BE630337A (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4190490A (en) * | 1974-04-03 | 1980-02-26 | Domtar Inc. | Impregnation and digestion of wood chips |
| US4248662A (en) * | 1979-01-22 | 1981-02-03 | The Black Clawson Company | Oxygen pulping with recycled liquor |
| US4435249A (en) | 1979-09-05 | 1984-03-06 | The Black Clawson Co. | Process for the oxygen delignification of pulp mill rejects |
| US4363697A (en) * | 1979-12-03 | 1982-12-14 | The Black Clawson Company | Method for medium consistency oxygen delignification of pulp |
| US4699691A (en) * | 1980-11-24 | 1987-10-13 | W. R. Grace & Co. | Thermomechanical digestion process |
| US4431480A (en) * | 1981-10-27 | 1984-02-14 | The Black Clawson Company | Method and apparatus for controlled addition of alkaline chemicals to an oxygen delignification reaction |
| SE452482B (sv) * | 1982-04-28 | 1987-11-30 | Sunds Defibrator | Forfarande for satsvis framstellning av sulfatmassa med hog delignifieringsgrad |
| US4849052A (en) * | 1983-08-24 | 1989-07-18 | Beloit Corporation | Batch digester multi-stage pulping process |
| NO872836L (no) * | 1987-02-12 | 1988-08-15 | Sigurd Fongen | Trykksatt avvanningspresse for fibersuspensjoner. |
| NO882815L (no) * | 1988-06-24 | 1989-12-27 | Sigurd Fongen | Fremgangsmaate for fremstilling av cellulosemasse, samt delignifisering, bleking, de-inking og vasking av cellulosefibre og anordning for utfoerelse av fremgangsmaaten. |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2474862A (en) * | 1942-10-15 | 1949-07-05 | Kamyr Ab | Process and apparatus for continuous digestion of fibrous materials |
| US2599572A (en) * | 1946-02-01 | 1952-06-10 | Watervliet Paper Company | Alkaline pulping of preimpregnated deciduous wood |
| US2675311A (en) * | 1948-08-09 | 1954-04-13 | John W Natwick | Paper pulp process and apparatus |
| US2920697A (en) * | 1953-03-28 | 1960-01-12 | Braunschweigische Maschb Ansta | Apparatus for the production of cellulose |
| US2905240A (en) * | 1954-12-10 | 1959-09-22 | Waldorf Paper Prod Co | Apparatus for impregnating wood chips |
| US2963086A (en) * | 1955-09-22 | 1960-12-06 | Pandia Inc | Paper machinery |
| US2962412A (en) * | 1957-10-22 | 1960-11-29 | Meade Corp | Process of manufacturing wood pulp |
| US2996422A (en) * | 1958-04-23 | 1961-08-15 | Ed Jones Corp | Digestion of cellulosic material |
| FR1229425A (fr) * | 1958-07-09 | 1960-09-07 | Kamyr Ab | Procédé et installation pour la cuisson continue de la cellulose |
| US3034576A (en) * | 1958-10-16 | 1962-05-15 | Nat Bank Of Commerce Of Seattl | Continuous cooker |
| GB945957A (en) * | 1960-02-08 | 1964-01-08 | Ass Pulp & Paper Mills | Continuous pulping process |
-
0
- BE BE630337D patent/BE630337A/xx unknown
-
1962
- 1962-03-30 US US183785A patent/US3313677A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3313677A (en) | 1967-04-11 |