FI20030899L - Ksylanaasia käsittävät alkaliset uuttovaiheet - Google Patents
Ksylanaasia käsittävät alkaliset uuttovaiheet Download PDFInfo
- Publication number
- FI20030899L FI20030899L FI20030899A FI20030899A FI20030899L FI 20030899 L FI20030899 L FI 20030899L FI 20030899 A FI20030899 A FI 20030899A FI 20030899 A FI20030899 A FI 20030899A FI 20030899 L FI20030899 L FI 20030899L
- Authority
- FI
- Finland
- Prior art keywords
- xylanase
- extraction steps
- steps involving
- alkaline extraction
- alkaline
- Prior art date
Links
- 101710121765 Endo-1,4-beta-xylanase Proteins 0.000 title 1
- 238000000605 extraction Methods 0.000 title 1
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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25816300P | 2000-12-22 | 2000-12-22 | |
| PCT/CA2001/001837 WO2002052100A2 (en) | 2000-12-22 | 2001-12-19 | Alkaline extraction stages comprising xylanase |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI20030899A7 FI20030899A7 (fi) | 2003-08-20 |
| FI20030899L true FI20030899L (fi) | 2003-08-20 |
Family
ID=22979360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20030899A FI20030899L (fi) | 2000-12-22 | 2001-12-19 | Ksylanaasia käsittävät alkaliset uuttovaiheet |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7541175B1 (fi) |
| AU (1) | AU2002226210A1 (fi) |
| CA (1) | CA2432788C (fi) |
| FI (1) | FI20030899L (fi) |
| SE (1) | SE526052E8 (fi) |
| WO (1) | WO2002052100A2 (fi) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20030899L (fi) | 2000-12-22 | 2003-08-20 | Iogen Bio Products Corp | Ksylanaasia käsittävät alkaliset uuttovaiheet |
| WO2003074780A1 (en) * | 2002-03-06 | 2003-09-12 | Iogen Bio-Products Corporation | Xylanase treatment of chemical pulp |
| WO2003106654A2 (en) | 2002-06-14 | 2003-12-24 | Diversa Corporation | Xylanases, nucleic adics encoding them and methods for making and using them |
| CA2946924A1 (en) | 2006-02-14 | 2007-08-23 | Bp Corporation North America Inc. | Xylanases, nucleic acids encoding them and methods for making and using them |
| RU2464313C2 (ru) * | 2006-04-12 | 2012-10-20 | Нэйшенл Рисерч Каунсил Оф Кэнэда | Модифицированная ксиланаза |
| FI129086B (fi) * | 2012-09-14 | 2021-06-30 | Teknologian Tutkimuskeskus Vtt Oy | Menetelmä liukosellun valmistamiseksi |
| US10584442B2 (en) | 2014-11-17 | 2020-03-10 | Novozymes A/S | Enzymatic process combined with hot caustic extraction for the removal of hemicelluloses from paper-grade pulp |
| FI127996B (fi) * | 2016-07-01 | 2019-07-15 | Kemira Oyj | Prosessi sellun käsittelemiseksi |
| JP7135334B2 (ja) * | 2018-02-22 | 2022-09-13 | 株式会社豊田中央研究所 | キシラナーゼ及びその利用 |
| CN114402105B (zh) * | 2019-07-26 | 2024-01-30 | 诺维信公司 | 纸浆的酶处理 |
| CN117005231A (zh) * | 2023-09-07 | 2023-11-07 | 齐鲁工业大学(山东省科学院) | 一种生物酶复合预处理改善麦草氧碱浆性能的方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5179021A (en) * | 1989-02-10 | 1993-01-12 | Gil Inc. (Now Ici Canada Inc.) | Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment |
| FI86896B (fi) | 1989-05-04 | 1992-07-15 | Enso Gutzeit Oy | Foerfarande foer blekning av cellulosamassa. |
| FI89814C (fi) | 1990-02-02 | 1993-11-25 | Enso Gutzeit Oy | Foerfarande foer blekning av cellulosamassa |
| US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
| DE4129739A1 (de) | 1990-09-11 | 1992-03-12 | Sandoz Ag | Chlorfreies bleichen von papierpulpe |
| CA2058179C (en) | 1991-12-20 | 1999-02-09 | Roland Drolet | Basic electrophysiological conditioning system and method |
| US6007678A (en) | 1992-11-27 | 1999-12-28 | Eka Nobel Ab | Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof |
| BE1007651A3 (fr) | 1993-10-22 | 1995-09-05 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
| EP0686193B1 (en) | 1993-12-24 | 2010-08-11 | DSM IP Assets B.V. | Alkali-tolerant xylanases |
| US5437992A (en) | 1994-04-28 | 1995-08-01 | Genencor International, Inc. | Five thermostable xylanases from microtetraspora flexuosa for use in delignification and/or bleaching of pulp |
| US5620563A (en) | 1994-10-31 | 1997-04-15 | Pulp Paper Res Inst | Process for delignification and bleaching of chemical wood pulps with hydrogen peroxide and a dicyandiamide activator |
| JP3435946B2 (ja) * | 1994-12-21 | 2003-08-11 | 王子製紙株式会社 | 耐熱性キシラナーゼ |
| DE69631899T2 (de) | 1995-12-18 | 2004-11-04 | Aktiebolaget Enzymes Oy | Xylanasen, für diese kodierende gene und anwendungen derselben |
| US5759840A (en) * | 1996-09-09 | 1998-06-02 | National Research Council Of Canada | Modification of xylanase to improve thermophilicity, alkalophilicity and thermostability |
| FI20030899L (fi) | 2000-12-22 | 2003-08-20 | Iogen Bio Products Corp | Ksylanaasia käsittävät alkaliset uuttovaiheet |
| AU2002229430A1 (en) * | 2001-01-18 | 2002-07-30 | Iogen Bio-Products Corporation | Use of xylanase in pulp bleaching |
| WO2003074780A1 (en) * | 2002-03-06 | 2003-09-12 | Iogen Bio-Products Corporation | Xylanase treatment of chemical pulp |
-
2001
- 2001-12-19 FI FI20030899A patent/FI20030899L/fi not_active Application Discontinuation
- 2001-12-19 US US10/451,308 patent/US7541175B1/en not_active Expired - Fee Related
- 2001-12-19 CA CA002432788A patent/CA2432788C/en not_active Expired - Fee Related
- 2001-12-19 AU AU2002226210A patent/AU2002226210A1/en not_active Abandoned
- 2001-12-19 WO PCT/CA2001/001837 patent/WO2002052100A2/en not_active Ceased
-
2003
- 2003-06-19 SE SE0301773A patent/SE526052E8/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU2002226210A1 (en) | 2002-07-08 |
| FI20030899A7 (fi) | 2003-08-20 |
| SE526052E8 (sv) | 2015-10-20 |
| SE526052E (sv) | 2010-02-09 |
| WO2002052100A2 (en) | 2002-07-04 |
| SE526052C2 (sv) | 2005-06-21 |
| SE0301773D0 (sv) | 2003-06-19 |
| SE0301773L (sv) | 2003-08-22 |
| US7541175B1 (en) | 2009-06-02 |
| WO2002052100A3 (en) | 2003-06-12 |
| CA2432788C (en) | 2008-10-07 |
| CA2432788A1 (en) | 2002-07-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD | Application lapsed |