BR9007608A - Processo para tratamento de polpa quimica lignocelulosica - Google Patents
Processo para tratamento de polpa quimica lignocelulosicaInfo
- Publication number
- BR9007608A BR9007608A BR909007608A BR9007608A BR9007608A BR 9007608 A BR9007608 A BR 9007608A BR 909007608 A BR909007608 A BR 909007608A BR 9007608 A BR9007608 A BR 9007608A BR 9007608 A BR9007608 A BR 9007608A
- Authority
- BR
- Brazil
- Prior art keywords
- treatment
- chemical pulp
- pulp
- reduced
- lignocellulosic
- Prior art date
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)
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (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)
- Air Conditioning Control Device (AREA)
- Dc Digital Transmission (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
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 (1)
Publication Number | Publication Date |
---|---|
BR9007608A true BR9007608A (pt) | 1992-08-25 |
Family
ID=8131254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR909007608A BR9007608A (pt) | 1989-08-25 | 1990-08-24 | Processo para tratamento de polpa quimica lignocelulosica |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0489104B1 (pt) |
JP (1) | JPH05500087A (pt) |
AT (1) | ATE98713T1 (pt) |
AU (1) | AU635070B2 (pt) |
BR (1) | BR9007608A (pt) |
CA (1) | CA2065244A1 (pt) |
DE (1) | DE69005308T2 (pt) |
DK (2) | DK420289D0 (pt) |
ES (1) | ES2047950T3 (pt) |
FI (1) | FI920798A0 (pt) |
NO (1) | NO175948C (pt) |
NZ (1) | NZ235039A (pt) |
PT (1) | PT95094B (pt) |
WO (1) | WO1991002839A1 (pt) |
Families Citing this family (26)
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 |
WO1992017573A1 (en) * | 1991-04-02 | 1992-10-15 | Novo Nordisk A/S | Xylanase, corresponding recombinant dna sequence, xylanase containing agent, and use of the agent |
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 |
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 |
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 |
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 |
CA2285244A1 (en) * | 1997-03-31 | 1998-10-08 | David R. Whitmire | Enzyme aided removal of color from wood pulps |
ES2521615T3 (es) | 2001-06-06 | 2014-11-13 | Novozymes A/S | Endo-beta-1,4-glucanasa |
BRPI0820615B1 (pt) | 2007-12-06 | 2020-05-12 | Novozymes A/S | Célula microbiana hospedeira recombinante, métodos para produzir um polipeptídeo tendo atividade de acetil-xilano esterase, método para produzir uma proteína e método de degradar um material contendo xilano |
CN107338233A (zh) | 2009-09-29 | 2017-11-10 | 诺维信股份有限公司 | 具有木聚糖酶活性的多肽和编码该多肽的多核苷酸 |
ES2574054T3 (es) | 2009-11-06 | 2016-06-14 | Novozymes, Inc. | Polipéptidos con actividad de xilanasa y polinucleótidos que los codifican |
Family Cites Families (3)
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 |
-
1989
- 1989-08-25 DK DK420289A patent/DK420289D0/da not_active Application Discontinuation
-
1990
- 1990-08-24 CA CA002065244A patent/CA2065244A1/en not_active Abandoned
- 1990-08-24 BR BR909007608A patent/BR9007608A/pt not_active Application Discontinuation
- 1990-08-24 DK DK90913469.4T patent/DK0489104T3/da active
- 1990-08-24 EP EP19900913469 patent/EP0489104B1/en not_active Expired - Lifetime
- 1990-08-24 AT AT90913469T patent/ATE98713T1/de not_active IP Right Cessation
- 1990-08-24 DE DE90913469T patent/DE69005308T2/de not_active Expired - Fee Related
- 1990-08-24 NZ NZ235039A patent/NZ235039A/en unknown
- 1990-08-24 ES ES90913469T patent/ES2047950T3/es not_active Expired - Lifetime
- 1990-08-24 PT PT95094A patent/PT95094B/pt not_active IP Right Cessation
- 1990-08-24 AU AU63584/90A patent/AU635070B2/en not_active Ceased
- 1990-08-24 WO PCT/DK1990/000220 patent/WO1991002839A1/en active IP Right Grant
- 1990-08-24 JP JP2512595A patent/JPH05500087A/ja active Pending
-
1992
- 1992-02-24 FI FI920798A patent/FI920798A0/fi not_active Application Discontinuation
- 1992-02-24 NO NO920734A patent/NO175948C/no unknown
Also Published As
Publication number | Publication date |
---|---|
PT95094A (pt) | 1991-04-18 |
NO175948C (no) | 1995-01-04 |
FI920798A0 (fi) | 1992-02-24 |
ATE98713T1 (de) | 1994-01-15 |
WO1991002839A1 (en) | 1991-03-07 |
NO920734D0 (no) | 1992-02-24 |
CA2065244A1 (en) | 1991-02-26 |
DK420289D0 (da) | 1989-08-25 |
NO920734L (no) | 1992-02-24 |
AU6358490A (en) | 1991-04-03 |
ES2047950T3 (es) | 1994-03-01 |
AU635070B2 (en) | 1993-03-11 |
PT95094B (pt) | 1997-05-28 |
DK0489104T3 (da) | 1994-04-18 |
JPH05500087A (ja) | 1993-01-14 |
NZ235039A (en) | 1991-12-23 |
EP0489104A1 (en) | 1992-06-10 |
DE69005308D1 (de) | 1994-01-27 |
DE69005308T2 (de) | 1994-04-28 |
EP0489104B1 (en) | 1993-12-15 |
NO175948B (no) | 1994-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law | ||
B15K | Others concerning applications: alteration of classification |
Ipc: D21C 5/00 (2006.01), C12P 19/14 (2006.0 |