NO175948C - Fremgangsmåte for behandling av lignocellulosemasse - Google Patents

Fremgangsmåte for behandling av lignocellulosemasse

Info

Publication number
NO175948C
NO175948C NO920734A NO920734A NO175948C NO 175948 C NO175948 C NO 175948C NO 920734 A NO920734 A NO 920734A NO 920734 A NO920734 A NO 920734A NO 175948 C NO175948 C NO 175948C
Authority
NO
Norway
Prior art keywords
pulp
lignocellulosic pulp
treating lignocellulosic
reduced
chlorine
Prior art date
Application number
NO920734A
Other languages
English (en)
Other versions
NO920734D0 (no
NO920734L (no
NO175948B (no
Inventor
Lars Saaby Pedersen
Steen Skjold-Joergensen
Lisbeth Anker
Helen F Austin
Bruce Zamost
Dana Durrschmidt Elm
Original Assignee
Novo Nordisk As
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 Novo Nordisk As filed Critical Novo Nordisk As
Publication of NO920734D0 publication Critical patent/NO920734D0/no
Publication of NO920734L publication Critical patent/NO920734L/no
Publication of NO175948B publication Critical patent/NO175948B/no
Publication of NO175948C publication Critical patent/NO175948C/no

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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Zoology (AREA)
  • Microbiology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biotechnology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Materials For Medical Uses (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
NO920734A 1989-08-25 1992-02-24 Fremgangsmåte for behandling av lignocellulosemasse NO175948C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK420289A DK420289D0 (da) 1989-08-25 1989-08-25 Fremgangsmaade til behandling af lignocellulosepulp
PCT/DK1990/000220 WO1991002839A1 (en) 1989-08-25 1990-08-24 Process for treatment of lignocellulosic pulp

Publications (4)

Publication Number Publication Date
NO920734D0 NO920734D0 (no) 1992-02-24
NO920734L NO920734L (no) 1992-02-24
NO175948B NO175948B (no) 1994-09-26
NO175948C true NO175948C (no) 1995-01-04

Family

ID=8131254

Family Applications (1)

Application Number Title Priority Date Filing Date
NO920734A NO175948C (no) 1989-08-25 1992-02-24 Fremgangsmåte for behandling av lignocellulosemasse

Country Status (14)

Country Link
EP (1) EP0489104B1 (no)
JP (1) JPH05500087A (no)
AT (1) ATE98713T1 (no)
AU (1) AU635070B2 (no)
BR (1) BR9007608A (no)
CA (1) CA2065244A1 (no)
DE (1) DE69005308T2 (no)
DK (2) DK420289D0 (no)
ES (1) ES2047950T3 (no)
FI (1) FI920798A0 (no)
NO (1) NO175948C (no)
NZ (1) NZ235039A (no)
PT (1) PT95094B (no)
WO (1) WO1991002839A1 (no)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE465320B (sv) * 1990-01-10 1991-08-26 Korsnaes Ab Preparat som uppvisar enzymatisk delignifieringsaktivitet, saett att framstaella detsamma och tillaempningar daerav
GB9018426D0 (en) * 1990-08-22 1990-10-03 Sandoz Ltd Improvements in or relating to novel compounds
NZ239500A (en) * 1990-08-24 1993-08-26 Novo Nordisk As Xylanases obtained from bacillus pumilus and use in a lignocellulosic chemical pulping process
DK30991D0 (da) * 1991-02-22 1991-02-22 Novo Nordisk As Hidtil ukendte enzymer
DE4129739A1 (de) * 1990-09-11 1992-03-12 Sandoz Ag Chlorfreies bleichen von papierpulpe
US5610048A (en) * 1991-04-02 1997-03-11 Novo Nordisk A/S Xylanase, DNA sequences, coding for the xylanases and methods of use thereof
DK69591D0 (da) * 1991-04-18 1991-04-18 Novo Nordisk As Nye mikroorganismer
FI108800B (fi) * 1991-05-07 2002-03-28 Iogen Corp Menetelmä ja laitteisto entsyymin käyttämiseksi paperimassan valmistuksessa ja valkaisussa
DK175391D0 (da) * 1991-10-18 1991-10-18 Novo Nordisk As Nye enzymer
CA2082185C (en) * 1991-11-26 2004-01-20 Alexander R. Pokora Protease catalyzed treatments of lignocellulose materials
US5369024A (en) * 1992-03-25 1994-11-29 The United States Of America As Represented By The Secretary Of Agriculture Xylanase from streptomyces roseiscleroticus NRRL-11019 for removing color from kraft wood pulps
US5498534A (en) * 1992-03-25 1996-03-12 The United States Of America As Represented By The Secretary Of Agriculture Method of removing color from wood pulp using xylanase from streptomyces roseiscleroticus NRRL B-11019
GB2279955B (en) * 1993-07-15 1998-02-18 Solvay Xylanase derived from a Bacillus species, expression vectors for such xylanase and other proteins, host organisms therefor and use thereof
US7816129B2 (en) 1994-07-29 2010-10-19 Ab Enzymes Gmbh Production and secretion of proteins of bacterial origin in filamentous fungi
US5871730A (en) * 1994-07-29 1999-02-16 Universite De Sherbrooke Thermostable xylanase DNA, protein and methods of use
US5935836A (en) * 1994-07-29 1999-08-10 Rohm Enzyme Finland Oy Actinomadura xylanase sequences and methods of use
US6300114B1 (en) 1994-07-29 2001-10-09 Rohm Enzyme Finland Oy Sequences of xylanase and xylanase expression vectors
DE4439149C2 (de) * 1994-11-03 1997-07-31 Thueringisches Inst Textil Verfahren zur Herstellung einer homogenen Celluloselösung
US5770012A (en) * 1994-11-18 1998-06-23 P. H. Glatfelter Co. Process for treating paper machine stock containing bleached hardwood pulp with an enzyme mixture to reduce vessel element picking
US5725732A (en) * 1994-11-18 1998-03-10 P. H. Glatfelter Company Process for treating hardwood pulp with an enzyme mixture to reduce vessel element picking
US5961735A (en) * 1995-06-21 1999-10-05 North Carolina State University Method of cleaning papermaking felts with enzymes
AU6792198A (en) * 1997-03-31 1998-10-22 David R. Whitmire Enzyme aided removal of color from wood pulps
EP1399543B1 (en) 2001-06-06 2014-08-13 Novozymes A/S Endo-beta-1,4-glucanase
ES2490608T3 (es) 2007-12-06 2014-09-04 Novozymes A/S Polipéptidos con actividad de esterasa de acetilxilano y polinucleótidos que codifican los mismos
WO2011041405A1 (en) 2009-09-29 2011-04-07 Novozymes, Inc. Polypeptides having xylanase activity and polynucleotides encoding same
EP2496692B1 (en) 2009-11-06 2016-03-16 Novozymes, Inc. Polypeptides having xylanase activity and polynucleotides encoding same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI81395B (fi) * 1988-03-14 1990-06-29 Cultor Oy Foerfarande foer blekning av cellulosamassa.
US5179021A (en) * 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
NZ235679A (en) * 1989-10-18 1993-01-27 Int Paper Co Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages

Also Published As

Publication number Publication date
WO1991002839A1 (en) 1991-03-07
BR9007608A (pt) 1992-08-25
CA2065244A1 (en) 1991-02-26
DK420289D0 (da) 1989-08-25
DE69005308D1 (de) 1994-01-27
EP0489104B1 (en) 1993-12-15
EP0489104A1 (en) 1992-06-10
AU6358490A (en) 1991-04-03
ES2047950T3 (es) 1994-03-01
ATE98713T1 (de) 1994-01-15
PT95094A (pt) 1991-04-18
NO920734D0 (no) 1992-02-24
NO920734L (no) 1992-02-24
DK0489104T3 (da) 1994-04-18
DE69005308T2 (de) 1994-04-28
PT95094B (pt) 1997-05-28
NO175948B (no) 1994-09-26
JPH05500087A (ja) 1993-01-14
NZ235039A (en) 1991-12-23
AU635070B2 (en) 1993-03-11
FI920798A0 (fi) 1992-02-24

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