FI935187A - Menetelmä valkaistun selluloosamassan valmistamiseksi - Google Patents

Menetelmä valkaistun selluloosamassan valmistamiseksi Download PDF

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Publication number
FI935187A
FI935187A FI935187A FI935187A FI935187A FI 935187 A FI935187 A FI 935187A FI 935187 A FI935187 A FI 935187A FI 935187 A FI935187 A FI 935187A FI 935187 A FI935187 A FI 935187A
Authority
FI
Finland
Prior art keywords
procedure
cellulose pulp
bleached cellulose
preparing bleached
preparing
Prior art date
Application number
FI935187A
Other languages
English (en)
Swedish (sv)
Other versions
FI935187A0 (fi
Inventor
Anna Suurnaekki
Matti Siika-Aho
Johanna Buchert
Liisa Viikari
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI935187A priority Critical patent/FI935187A/fi
Publication of FI935187A0 publication Critical patent/FI935187A0/fi
Priority to PCT/FI1994/000522 priority patent/WO1995014809A1/en
Priority to AU81463/94A priority patent/AU8146394A/en
Publication of FI935187A publication Critical patent/FI935187A/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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
FI935187A 1993-11-22 1993-11-22 Menetelmä valkaistun selluloosamassan valmistamiseksi FI935187A (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI935187A FI935187A (fi) 1993-11-22 1993-11-22 Menetelmä valkaistun selluloosamassan valmistamiseksi
PCT/FI1994/000522 WO1995014809A1 (en) 1993-11-22 1994-11-22 Treatment of pulp with a mannanase in a bleaching process
AU81463/94A AU8146394A (en) 1993-11-22 1994-11-22 Treatment of pulp with a mannanase in a bleaching process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI935187A FI935187A (fi) 1993-11-22 1993-11-22 Menetelmä valkaistun selluloosamassan valmistamiseksi

Publications (2)

Publication Number Publication Date
FI935187A0 FI935187A0 (fi) 1993-11-22
FI935187A true FI935187A (fi) 1995-05-23

Family

ID=8538996

Family Applications (1)

Application Number Title Priority Date Filing Date
FI935187A FI935187A (fi) 1993-11-22 1993-11-22 Menetelmä valkaistun selluloosamassan valmistamiseksi

Country Status (3)

Country Link
AU (1) AU8146394A (fi)
FI (1) FI935187A (fi)
WO (1) WO1995014809A1 (fi)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2003503A1 (en) * 1988-11-23 1990-05-23 Roberta Lee Farrell Use of aureobasidium pullulans in pulp bleaching
DE4129739A1 (de) * 1990-09-11 1992-03-12 Sandoz Ag Chlorfreies bleichen von papierpulpe
AT400153B (de) * 1991-05-02 1995-10-25 Voest Alpine Ind Anlagen Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien

Also Published As

Publication number Publication date
AU8146394A (en) 1995-06-13
WO1995014809A1 (en) 1995-06-01
FI935187A0 (fi) 1993-11-22

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Legal Events

Date Code Title Description
FD Application lapsed