NO920734L - Fremgangsmaate for behandling av lignocellulosemasse - Google Patents

Fremgangsmaate for behandling av lignocellulosemasse

Info

Publication number
NO920734L
NO920734L NO92920734A NO920734A NO920734L NO 920734 L NO920734 L NO 920734L NO 92920734 A NO92920734 A NO 92920734A NO 920734 A NO920734 A NO 920734A NO 920734 L NO920734 L NO 920734L
Authority
NO
Norway
Prior art keywords
lignocellulosemasse
treating
procedure
reduced
chlorine
Prior art date
Application number
NO92920734A
Other languages
English (en)
Other versions
NO175948B (no
NO920734D0 (no
NO175948C (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 NO920734L publication Critical patent/NO920734L/no
Publication of NO920734D0 publication Critical patent/NO920734D0/no
Publication of NO175948B publication Critical patent/NO175948B/no
Publication of NO175948C publication Critical patent/NO175948C/no

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005Treatment of cellulose-containing material with microorganisms or enzymes
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00Preparation of compounds containing saccharide radicals
    • C12P19/14Preparation 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)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (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
NO920734L true NO920734L (no) 1992-02-24
NO920734D0 NO920734D0 (no) 1992-02-24
NO175948B NO175948B (no) 1994-09-26
NO175948C 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
DE69228378T2 (de) * 1991-04-02 1999-08-26 Novo Nordisk As Xylanase, entsprechende rekombinante dna-sequenz, xylanase enthaltendes agens, und seine verwendung
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
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
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
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
US6300114B1 (en) 1994-07-29 2001-10-09 Rohm Enzyme Finland Oy Sequences of xylanase and xylanase expression vectors
US5935836A (en) * 1994-07-29 1999-08-10 Rohm Enzyme Finland Oy Actinomadura xylanase sequences and methods of use
US5871730A (en) * 1994-07-29 1999-02-16 Universite De Sherbrooke Thermostable xylanase DNA, protein and methods of use
US7816129B2 (en) 1994-07-29 2010-10-19 Ab Enzymes Gmbh Production and secretion of proteins of bacterial origin in filamentous fungi
DE4439149C2 (de) * 1994-11-03 1997-07-31 Thueringisches Inst Textil Verfahren zur Herstellung einer homogenen Celluloselösung
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
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
US5961735A (en) * 1995-06-21 1999-10-05 North Carolina State University Method of cleaning papermaking felts with enzymes
WO1998044189A1 (en) * 1997-03-31 1998-10-08 Whitmire David R Enzyme aided removal of color from wood pulps
MXPA03011194A (es) 2001-06-06 2004-02-26 Novozymes As Endo-beta-1,4-glucanasa.
EP2224822B1 (en) 2007-12-06 2014-05-21 Novozymes A/S Polypeptides having acetylxylan esterase activity and polynucleotides encoding same
DK2483403T3 (en) 2009-09-29 2018-02-12 Novozymes Inc POLYPEPTIDES WITH XYLANASE ACTIVITY AND POLYNUCLEOTIDES CODING THEM
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
DE69005308D1 (de) 1994-01-27
EP0489104B1 (en) 1993-12-15
EP0489104A1 (en) 1992-06-10
AU6358490A (en) 1991-04-03
BR9007608A (pt) 1992-08-25
DK0489104T3 (da) 1994-04-18
ES2047950T3 (es) 1994-03-01
ATE98713T1 (de) 1994-01-15
JPH05500087A (ja) 1993-01-14
WO1991002839A1 (en) 1991-03-07
NZ235039A (en) 1991-12-23
FI920798A0 (fi) 1992-02-24
DK420289D0 (da) 1989-08-25
NO175948B (no) 1994-09-26
PT95094B (pt) 1997-05-28
PT95094A (pt) 1991-04-18
CA2065244A1 (en) 1991-02-26
NO920734D0 (no) 1992-02-24
NO175948C (no) 1995-01-04
AU635070B2 (en) 1993-03-11
DE69005308T2 (de) 1994-04-28

Similar Documents

Publication Publication Date Title
NO920734D0 (no) Fremgangsmaate for behandling av lignocellulosemasse
CA2188874A1 (en) Thermostable xylanases
NO873565L (no) Fremgangsmaate for behandling av papirmasse med en enzymatisk opploesning.
CA2017807A1 (en) Process for bleaching lignocellulose-containing pulps
DE3574486D1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
ATE134231T1 (de) Verbesserung beim bleichen von pulpe
EE9900119A (et) Puidumassi pleegitamise meetod
SE9201441D0 (sv) A method for the use of enzymes in processing and bleaching of paper pulp, and apparatus for use thereof
ATE110129T1 (de) Verfahren zum bleichen von chemischen zellstoffen.
ATE106961T1 (de) Bleichverfahren zur herstellung von hochweissem zellstoff.
CA2137450A1 (en) Bleaching recycled pulp with ozone and hydrogen peroxide
SE9301161D0 (sv) Foerfarande foer behandling av processvatten
BR9306963A (pt) Método de tratamento de água de processo
SE9702583L (sv) Förfarande för massaframställning
BR9406763A (pt) Processo de tratamento de polpa de papel quimica
SE9401628D0 (sv) Förfarande vid syrgasdelignifiering
CA2264423A1 (en) Method for treatment of pulp
NO975038L (no) Behandling av masse med chelateringsmiddel og påfölgende bleking ved en pH-verdi over 9
NO911340D0 (no) Fremgangsmaate for behandling av returvann ment for fortynning av en papirmasse.
SE9704273D0 (sv) Nytt förfarande vid framställning av kemisk massa
IT1262542B (it) Procedimento di concia delle pelli secondo metodologia wet-white con prodotti a base di sali di titanio
SE9301293L (sv) Förfarande för blekning av lignocellulosahaltig massa
ES8602857A1 (es) Un metodo para mejorar la procesabilidad de diversas fibras por tratamiento de las mismas con una sal de un polimero
FI924926A (fi) Menetelmä kemiallisen massan valmistuksessa syntyvän jäteliemen poltto-ominaisuuksien määrittämiseksi