FI54508B - Foerfarande foer att oeka utbytet av cellulosa - Google Patents

Foerfarande foer att oeka utbytet av cellulosa

Info

Publication number
FI54508B
FI54508B FI209471A FI209471A FI54508B FI 54508 B FI54508 B FI 54508B FI 209471 A FI209471 A FI 209471A FI 209471 A FI209471 A FI 209471A FI 54508 B FI54508 B FI 54508B
Authority
FI
Finland
Prior art keywords
utbytet
oeka
cellulosa
foerfarande foer
foer att
Prior art date
Application number
FI209471A
Other languages
English (en)
Other versions
FI54508C (fi
Inventor
Guenter Fiehn
Original Assignee
Inst Zellstoff U Papier
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
Application filed by Inst Zellstoff U Papier filed Critical Inst Zellstoff U Papier
Application granted granted Critical
Publication of FI54508B publication Critical patent/FI54508B/fi
Publication of FI54508C publication Critical patent/FI54508C/fi

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
    • D21C3/222—Use of compounds accelerating the pulping processes
FI209471A 1970-07-23 1971-07-22 Foerfarande foer att oeka utbytet av cellulosa FI54508C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD14903370A DD98549A1 (fi) 1970-07-23 1970-07-23
DD14903370 1970-07-23

Publications (2)

Publication Number Publication Date
FI54508B true FI54508B (fi) 1978-08-31
FI54508C FI54508C (fi) 1980-03-14

Family

ID=5482760

Family Applications (1)

Application Number Title Priority Date Filing Date
FI209471A FI54508C (fi) 1970-07-23 1971-07-22 Foerfarande foer att oeka utbytet av cellulosa

Country Status (4)

Country Link
DD (1) DD98549A1 (fi)
FI (1) FI54508C (fi)
SE (1) SE381896B (fi)
SU (1) SU437310A3 (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51112903A (en) * 1975-03-26 1976-10-05 Honshu Paper Co Ltd Process for digesting lignocellulose material with sulphites
JPS5143403A (en) * 1974-10-09 1976-04-14 Honshu Paper Co Ltd Arukariparupuno seizohoho
CA1073161A (en) * 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process
ZA773044B (en) * 1976-06-02 1978-04-26 Australian Paper Manufacturers Improvements in pulping processes
CA1094264A (en) * 1976-12-14 1981-01-27 Canadian Industries Limited Delignification of lignocellulosic material with a soda liquor containing a cyclic keto compound and a nitro aromatic compound
US4134787A (en) * 1978-05-26 1979-01-16 International Paper Company Delignification of lignocellulosic material with an alkaline liquor containing a cyclic amino compound

Also Published As

Publication number Publication date
FI54508C (fi) 1980-03-14
SU437310A3 (ru) 1974-07-25
SE381896B (sv) 1975-12-22
DD98549A1 (fi) 1973-06-20

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