ATA902389A - METHOD AND DEVICE FOR PRE-TREATING CELLULAR RAW MATERIAL - Google Patents

METHOD AND DEVICE FOR PRE-TREATING CELLULAR RAW MATERIAL

Info

Publication number
ATA902389A
ATA902389A AT902389A AT902389A ATA902389A AT A902389 A ATA902389 A AT A902389A AT 902389 A AT902389 A AT 902389A AT 902389 A AT902389 A AT 902389A AT A902389 A ATA902389 A AT A902389A
Authority
AT
Austria
Prior art keywords
raw material
treating cellular
cellular raw
treating
raw
Prior art date
Application number
AT902389A
Other languages
German (de)
Other versions
AT396128B (en
Inventor
Antti Aho
Osmo Aho
Original Assignee
Osmo Aho
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 Osmo Aho filed Critical Osmo Aho
Publication of ATA902389A publication Critical patent/ATA902389A/en
Application granted granted Critical
Publication of AT396128B publication Critical patent/AT396128B/en

Links

AT902389A 1988-02-08 1989-08-10 Process and apparatus for the pre-treatment of pulp raw material AT396128B (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 (2)

Publication Number Publication Date
ATA902389A true ATA902389A (en) 1992-10-15
AT396128B AT396128B (en) 1993-06-25

Family

ID=26158299

Family Applications (1)

Application Number Title Priority Date Filing Date
AT902389A AT396128B (en) 1988-02-08 1989-08-10 Process and apparatus for the pre-treatment of pulp raw material

Country Status (2)

Country Link
AT (1) AT396128B (en)
DE (1) DE3990074T1 (en)

Family Cites Families (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
DE3990074T1 (en) 1991-01-10
AT396128B (en) 1993-06-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee