FR1372871A - Improvements in the production of pulp from cellulosic materials - Google Patents
Improvements in the production of pulp from cellulosic materialsInfo
- Publication number
- FR1372871A FR1372871A FR951131A FR951131A FR1372871A FR 1372871 A FR1372871 A FR 1372871A FR 951131 A FR951131 A FR 951131A FR 951131 A FR951131 A FR 951131A FR 1372871 A FR1372871 A FR 1372871A
- Authority
- FR
- France
- Prior art keywords
- pulp
- production
- cellulosic materials
- cellulosic
- materials
- Prior art date
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous processes
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/10—Physical methods for facilitating impregnation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA860584 | 1962-10-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1372871A true FR1372871A (en) | 1964-09-18 |
Family
ID=4141584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR951131A Expired FR1372871A (en) | 1962-10-20 | 1963-10-18 | Improvements in the production of pulp from cellulosic materials |
Country Status (5)
Country | Link |
---|---|
US (1) | US3258390A (en) |
DE (1) | DE1246384B (en) |
FI (1) | FI46087C (en) |
FR (1) | FR1372871A (en) |
GB (1) | GB1035456A (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE330819B (en) * | 1966-09-12 | 1970-11-30 | Kamyr Ab | |
US3549483A (en) * | 1967-08-04 | 1970-12-22 | Lummus Co | Impregnation and digestion of cellulosic material in a single vessel |
DE2627333A1 (en) * | 1976-06-18 | 1977-12-29 | Bayer Ag | DISPLACEMENT OF A LIQUID A BY A LIQUID B IN A SUSPENSION |
SE7802408L (en) * | 1978-03-02 | 1979-09-03 | Gloeersen Stig | WAY TO TRANSFER WITH LIQUID TRANSPORTABLE MATERIALS AS FIBER MATERIALS |
US4322184A (en) * | 1979-12-05 | 1982-03-30 | Kamyr, Inc. | Apparatus for continuously feeding solid particles into a pressurized container having an improved lifting mechanism |
SE510706C2 (en) * | 1997-10-16 | 1999-06-14 | Kvaerner Pulping Tech | Process system and process for impregnating and basing chips before pulping |
SE518993E (en) * | 2002-01-24 | 2013-04-23 | Metso Paper Sweden Ab | Preparation of cellulose pulp by boiling with a boiling liquid containing evaporated black liquor |
FI120547B (en) * | 2004-10-04 | 2009-11-30 | Metso Paper Inc | Alkaline cooking process and pulp making plant |
FI122841B (en) * | 2004-10-04 | 2012-07-31 | Metso Paper Inc | Method and apparatus for making cellulosic pulp |
FI126802B (en) * | 2014-09-12 | 2017-05-31 | Andritz Oy | Process and continuous hydraulic boiler system for chemical pulp production |
FI20165470A (en) | 2016-06-06 | 2017-12-07 | Andritz Oy | A process for producing chemical pulp at a pulp mill digester |
CN113299253B (en) * | 2021-05-25 | 2024-05-07 | 李成兵 | Preparation method of anti-cracking flute |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2205374A (en) * | 1936-07-02 | 1940-06-18 | Chemipulp Process Inc | Digesting process and apparatus |
US2809111A (en) * | 1956-02-13 | 1957-10-08 | Condi Engineering Corp | Apparatus for wood chip digestion |
US2858211A (en) * | 1956-02-13 | 1958-10-28 | Condi Engineering Corp | Apparatus for wood chip digestion |
-
1963
- 1963-10-14 US US316021A patent/US3258390A/en not_active Expired - Lifetime
- 1963-10-18 FI FI632036A patent/FI46087C/en active
- 1963-10-18 FR FR951131A patent/FR1372871A/en not_active Expired
- 1963-10-21 GB GB41407/63A patent/GB1035456A/en not_active Expired
- 1963-10-21 DE DED42771A patent/DE1246384B/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US3258390A (en) | 1966-06-28 |
FI46087B (en) | 1972-08-31 |
FI46087C (en) | 1972-12-11 |
DE1246384B (en) | 1967-08-03 |
GB1035456A (en) | 1966-07-06 |
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