FI44081B - - Google Patents
Info
- Publication number
- FI44081B FI44081B FI0389/63A FI38963A FI44081B FI 44081 B FI44081 B FI 44081B FI 0389/63 A FI0389/63 A FI 0389/63A FI 38963 A FI38963 A FI 38963A FI 44081 B FI44081 B FI 44081B
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE235762 | 1962-03-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FI44081B true FI44081B (fr) | 1971-04-30 |
Family
ID=20259818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI0389/63A FI44081B (fr) | 1962-03-03 | 1963-02-28 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3298899A (fr) |
DE (1) | DE1517144A1 (fr) |
FI (1) | FI44081B (fr) |
FR (1) | FR1348964A (fr) |
NO (1) | NO115278B (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3380883A (en) * | 1963-09-27 | 1968-04-30 | Kamyr Ab | Method and apparatus for performing prehydrolysis in a continuous counterflow digester |
FI44514B (fr) * | 1963-12-13 | 1971-08-02 | Kamyr Ab | |
NO118474B (fr) * | 1964-01-25 | 1969-12-29 | Kamyr Ab | |
US3441475A (en) * | 1965-07-09 | 1969-04-29 | Domtar Ltd | Continuous pulping apparatus |
US3434920A (en) * | 1965-10-07 | 1969-03-25 | Frank B K Green | Apparatus for continuous digesting |
US3530034A (en) * | 1969-05-16 | 1970-09-22 | Itt Rayonier Inc | Continuous aqueous prehydrolysis of wood chips |
US3627629A (en) * | 1970-05-06 | 1971-12-14 | Bauer Bros Co | Refining system and process |
US4061193A (en) * | 1975-09-15 | 1977-12-06 | Kamyr, Inc. | Method and apparatus for digesting cellulose material without screening digesting liquid withdrawn through the digester top |
CH602963A5 (fr) * | 1975-11-19 | 1978-08-15 | Sulzer Ag | |
US4193839A (en) * | 1976-05-11 | 1980-03-18 | Kamyr, Inc. | Flow control method and apparatus for continuous wood chip digester screenless liquor extractor |
US4212705A (en) * | 1978-05-22 | 1980-07-15 | Babington William M Jr | Apparatus for recovering high pressure steam from a blow tank |
CA1127357A (fr) * | 1978-05-23 | 1982-07-13 | Makoto Kikuiri | Methode de fabrication de pate a l'alcali |
PT71072A (en) * | 1979-04-11 | 1980-05-01 | Rosenblads Patenter Ab | Method for secondary heat recovery in batchwise cellulose digesting |
US4385172A (en) * | 1980-03-24 | 1983-05-24 | International Paper Company | Prevention of hornification of dissolving pulp |
US4597832A (en) * | 1981-10-01 | 1986-07-01 | The United States Of America As Represented By The United States Department Of Energy | Apparatus for converting biomass to a pumpable slurry |
US5788812A (en) * | 1985-11-05 | 1998-08-04 | Agar; Richard C. | Method of recovering furfural from organic pulping liquor |
US5766413A (en) * | 1993-04-23 | 1998-06-16 | Kvaerner Pulping Ab | Process for isothermal cooking pulp in a continuous digester |
SE506458C2 (sv) * | 1996-02-09 | 1997-12-15 | Kvaerner Pulping Tech | Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska |
US5766418A (en) * | 1996-09-13 | 1998-06-16 | Ahlstrom Machinery Inc. | Handling fibrous material used to produce cellulose pulp |
US5795438A (en) * | 1996-11-04 | 1998-08-18 | Ahlstrom Machinery Inc. | Method and apparatus for feeding multiple digesters |
US5985096A (en) * | 1997-09-23 | 1999-11-16 | Ahlstrom Machinery Inc. | Vertical pulping digester having substantially constant diameter |
US6123808A (en) * | 1997-12-09 | 2000-09-26 | Ahlstrom Machinery Inc. | Distribution of dilution liquor to the discharge of a cellulose pulp digester |
SE519555C2 (sv) * | 2002-05-21 | 2003-03-11 | Kvaerner Pulping Tech | Metod för kontinuerlig kokning av vedrådvara till cellulosamassa |
FI120505B (fi) * | 2002-07-12 | 2009-11-13 | Stora Enso Oyj | Jatkuvatoiminen menetelmä selluloosapohjaisen massan keittämiseksi sekä menetelmään soveltuva massankeitin |
US8986504B1 (en) | 2013-10-25 | 2015-03-24 | International Paper Company | Digester apparatus |
EP3129546A4 (fr) * | 2014-04-07 | 2017-11-15 | Stora Enso Oyj | Procédé de lessivage de matériau fibreux de cellulose dans un lessiveur en continu |
US11162218B1 (en) | 2020-09-30 | 2021-11-02 | Robert Clayton | Biomass pulp digester |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1548477A (en) * | 1924-07-02 | 1925-08-04 | Morterud Knut Kristoffer | Circulation system for pulp digesters |
US1633734A (en) * | 1925-07-14 | 1927-06-28 | Jr Frederick K Fish | Process and apparatus for digesting or cooking fibrous material |
GB684222A (en) * | 1950-07-08 | 1952-12-10 | Kamyr Ab | Cellulose digester |
DE1034968B (de) * | 1956-01-11 | 1958-07-24 | Hans Werner Meyer | Kontinuierliches Verfahren zum chemischen Aufschluss von zellulosehaltigen Faserstoffen zu Zellstoff oder Halbzellstoff und Vorrichtung zu dessen Durchfuehrung |
US3035963A (en) * | 1958-02-19 | 1962-05-22 | Lummus Co | Process for the continuous digestion of cellulosic materials |
FR1229425A (fr) * | 1958-07-09 | 1960-09-07 | Kamyr Ab | Procédé et installation pour la cuisson continue de la cellulose |
-
1963
- 1963-02-25 NO NO147655A patent/NO115278B/no unknown
- 1963-02-28 FI FI0389/63A patent/FI44081B/fi active
- 1963-02-28 US US261730A patent/US3298899A/en not_active Expired - Lifetime
- 1963-03-01 FR FR926487A patent/FR1348964A/fr not_active Expired
- 1963-03-01 DE DE19631517144 patent/DE1517144A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3298899A (en) | 1967-01-17 |
DE1517144A1 (de) | 1969-03-13 |
NO115278B (fr) | 1968-09-09 |
FR1348964A (fr) | 1964-01-10 |