DE3990074T1 - METHOD AND DEVICE FOR PRE-TREATING CELLULAR RAW MATERIAL - Google Patents

METHOD AND DEVICE FOR PRE-TREATING CELLULAR RAW MATERIAL

Info

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
Application number
DE19893990074
Other languages
German (de)
Other versions
DE3990074C2 (en
Inventor
Osmo Aho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FI880560A external-priority patent/FI80083C/en
Application filed by Individual filed Critical Individual
Publication of DE3990074T1 publication Critical patent/DE3990074T1/en
Pending legal-status Critical Current

Links

DE19893990074 1988-02-08 1989-01-30 METHOD AND DEVICE FOR PRE-TREATING CELLULAR RAW MATERIAL Pending DE3990074T1 (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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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