AT259355B - Method for converting cellulosic material into cellulose pulp - Google Patents
Method for converting cellulosic material into cellulose pulpInfo
- Publication number
- AT259355B AT259355B AT724562A AT724562A AT259355B AT 259355 B AT259355 B AT 259355B AT 724562 A AT724562 A AT 724562A AT 724562 A AT724562 A AT 724562A AT 259355 B AT259355 B AT 259355B
- Authority
- AT
- Austria
- Prior art keywords
- cellulosic material
- cellulose pulp
- converting cellulosic
- converting
- pulp
- Prior art date
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 |
---|---|---|---|
US137121A US3165436A (en) | 1961-09-11 | 1961-09-11 | Continuous impregnating and pulping process |
Publications (1)
Publication Number | Publication Date |
---|---|
AT259355B true AT259355B (en) | 1968-01-10 |
Family
ID=22475917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT724562A AT259355B (en) | 1961-09-11 | 1962-09-11 | Method for converting cellulosic material into cellulose pulp |
Country Status (4)
Country | Link |
---|---|
US (1) | US3165436A (en) |
AT (1) | AT259355B (en) |
FI (1) | FI47208C (en) |
SE (1) | SE309354B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3259538A (en) * | 1963-04-22 | 1966-07-05 | Lummus Co | Comprehensive pulping system for producing paper pulp |
US3308011A (en) * | 1963-06-20 | 1967-03-07 | Beloit Corp | Steam digestion of impregnated chips |
US3446701A (en) * | 1967-12-28 | 1969-05-27 | Us Agriculture | Apparatus for impregnating and chemically converting cellulose-containing materials |
US3530034A (en) * | 1969-05-16 | 1970-09-22 | Itt Rayonier Inc | Continuous aqueous prehydrolysis of wood chips |
US3619348A (en) * | 1969-09-05 | 1971-11-09 | Defibrator Ab | Process for continuous cellulose cooking |
US4632729A (en) * | 1984-05-01 | 1986-12-30 | Laakso Oliver A | Chip presteaming and air washing |
SE462287B (en) * | 1987-11-04 | 1990-05-28 | Celleco Ab | PROCEDURE AND ESTABLISHMENT FOR THE PREPARATION OF HIGHLY EXCHANGE MASSES OF LIGNOCELLULOSAMATEIAL |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2093267A (en) * | 1934-11-20 | 1937-09-14 | Chemipulp Process Inc | Treatment of fibrous material |
US2359543A (en) * | 1940-09-24 | 1944-10-03 | Kamyr Ab | Apparatus for continuous digestion of fibrous material |
US2383684A (en) * | 1940-11-08 | 1945-08-28 | Kamyr Ab | Process of continuous alkali treatment of fibrous material |
DE1034968B (en) * | 1956-01-11 | 1958-07-24 | Hans Werner Meyer | Continuous process for the chemical breakdown of cellulosic fibers into cellulose or semi-cellulose and device for its implementation |
-
1961
- 1961-09-11 US US137121A patent/US3165436A/en not_active Expired - Lifetime
-
1962
- 1962-09-10 FI FI621650A patent/FI47208C/en active
- 1962-09-11 AT AT724562A patent/AT259355B/en active
- 1962-09-11 SE SE9807/62A patent/SE309354B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3165436A (en) | 1965-01-12 |
FI47208B (en) | 1973-07-02 |
SE309354B (en) | 1969-03-17 |
FI47208C (en) | 1973-10-10 |
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