DE3990074T1 - METHOD AND DEVICE FOR PRE-TREATING CELLULAR RAW MATERIAL - Google Patents
METHOD AND DEVICE FOR PRE-TREATING CELLULAR RAW MATERIALInfo
- Publication number
- DE3990074T1 DE3990074T1 DE19893990074 DE3990074T DE3990074T1 DE 3990074 T1 DE3990074 T1 DE 3990074T1 DE 19893990074 DE19893990074 DE 19893990074 DE 3990074 T DE3990074 T DE 3990074T DE 3990074 T1 DE3990074 T1 DE 3990074T1
- Authority
- DE
- Germany
- Prior art keywords
- raw material
- treating cellular
- cellular raw
- treating
- raw
- 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.)
- Pending
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI880560A FI80083C (en) | 1988-02-08 | 1988-02-08 | Method and apparatus for pre-treating cellulosic feedstock |
PCT/FI1989/000017 WO1989007170A1 (en) | 1988-02-08 | 1989-01-30 | Process and equipment for pretreatment of cellulosic raw material |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3990074T1 true DE3990074T1 (en) | 1991-01-10 |
Family
ID=26158299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19893990074 Pending DE3990074T1 (en) | 1988-02-08 | 1989-01-30 | METHOD AND DEVICE FOR PRE-TREATING CELLULAR RAW MATERIAL |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT396128B (en) |
DE (1) | DE3990074T1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3215587A (en) * | 1963-01-21 | 1965-11-02 | Lummus Co | Continuous process and apparatus for delignification of cellulosic material |
US3347741A (en) * | 1964-01-13 | 1967-10-17 | Crane Co | Feeder for solid materials |
US3446701A (en) * | 1967-12-28 | 1969-05-27 | Us Agriculture | Apparatus for impregnating and chemically converting cellulose-containing materials |
-
1989
- 1989-01-30 DE DE19893990074 patent/DE3990074T1/en active Pending
- 1989-08-10 AT AT902389A patent/AT396128B/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3215587A (en) * | 1963-01-21 | 1965-11-02 | Lummus Co | Continuous process and apparatus for delignification of cellulosic material |
US3347741A (en) * | 1964-01-13 | 1967-10-17 | Crane Co | Feeder for solid materials |
US3446701A (en) * | 1967-12-28 | 1969-05-27 | Us Agriculture | Apparatus for impregnating and chemically converting cellulose-containing materials |
Also Published As
Publication number | Publication date |
---|---|
ATA902389A (en) | 1992-10-15 |
AT396128B (en) | 1993-06-25 |
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