FI44514B - - Google Patents
Info
- Publication number
- FI44514B FI44514B FI2609/64A FI260964A FI44514B FI 44514 B FI44514 B FI 44514B FI 2609/64 A FI2609/64 A FI 2609/64A FI 260964 A FI260964 A FI 260964A FI 44514 B FI44514 B FI 44514B
- 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
-
- 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
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 |
---|---|---|---|
SE1386963 | 1963-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FI44514B true FI44514B (ru) | 1971-08-02 |
Family
ID=20298140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI2609/64A FI44514B (ru) | 1963-12-13 | 1964-12-10 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3425898A (ru) |
DE (1) | DE1517149A1 (ru) |
FI (1) | FI44514B (ru) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE325771B (ru) * | 1967-06-20 | 1970-07-06 | Svenska Cellulosa Ab | |
US3874991A (en) * | 1968-08-23 | 1975-04-01 | Westvaco Corp | Polysulfide impregnation of lignocellulosic materials in a continuous digester |
SE468053B (sv) * | 1988-12-20 | 1992-10-26 | Kamyr Ab | Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial |
US5192396A (en) * | 1988-12-20 | 1993-03-09 | Kamyr Ab | Process for the continuous digestion of cellulosic fiber material |
CA2030090A1 (en) * | 1990-08-17 | 1992-02-18 | Bertil Stromberg | Sulfite modified continuous digesting |
US5489363A (en) * | 1993-05-04 | 1996-02-06 | Kamyr, Inc. | Pulping with low dissolved solids for improved pulp strength |
US5536366A (en) * | 1993-05-04 | 1996-07-16 | Ahlstrom Machinery Inc. | Digester system for implementing low dissolved solids profiling |
AU704580B2 (en) * | 1993-05-04 | 1999-04-29 | Kamyr Inc. | Dissolved solids control in pulp protection |
CA2294186C (en) * | 1997-06-25 | 2005-04-26 | Kvaerner Pulping Ab | Method in connection with the pretreatment of comminuted fibrous material |
US5985096A (en) * | 1997-09-23 | 1999-11-16 | Ahlstrom Machinery Inc. | Vertical pulping digester having substantially constant diameter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US942403A (en) * | 1908-11-25 | 1909-12-07 | John H Mccoy | Apparatus for distributing building material. |
US1683262A (en) * | 1927-04-19 | 1928-09-04 | Brown Co | Process of chemically treating and washing pulp |
US2772138A (en) * | 1952-12-31 | 1956-11-27 | Hercules Powder Co Ltd | Continuous bleaching process |
US3081218A (en) * | 1960-03-18 | 1963-03-12 | Harold R Ambuehl | Continuous pulping process for the production of paper products |
US3200032A (en) * | 1961-12-23 | 1965-08-10 | Kamyr Ab | Continuous process for digesting cellulosic material |
NO115278B (ru) * | 1962-03-03 | 1968-09-09 | Kamyr Ab | |
US3303088A (en) * | 1963-04-19 | 1967-02-07 | Lummus Co | Continuous liquid-phase rapid pulping |
-
1964
- 1964-12-10 FI FI2609/64A patent/FI44514B/fi active
- 1964-12-11 DE DE19641517149 patent/DE1517149A1/de not_active Withdrawn
- 1964-12-14 US US417945A patent/US3425898A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE1517149A1 (de) | 1969-03-13 |
US3425898A (en) | 1969-02-04 |