CA2044100A1 - Procede de bioblanchiment - Google Patents
Procede de bioblanchimentInfo
- Publication number
- CA2044100A1 CA2044100A1 CA002044100A CA2044100A CA2044100A1 CA 2044100 A1 CA2044100 A1 CA 2044100A1 CA 002044100 A CA002044100 A CA 002044100A CA 2044100 A CA2044100 A CA 2044100A CA 2044100 A1 CA2044100 A1 CA 2044100A1
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- chlorine
- xylanase
- chlorine dioxide
- chlorination
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
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
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
-
- 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)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002044100A CA2044100A1 (fr) | 1991-06-07 | 1991-06-07 | Procede de bioblanchiment |
PCT/CA1992/000236 WO1992021813A1 (fr) | 1991-06-07 | 1992-06-05 | Procede de blanchiment biologique |
PT100569A PT100569A (pt) | 1991-06-07 | 1992-06-05 | Processo de biobranqueamento |
AU18089/92A AU1808992A (en) | 1991-06-07 | 1992-06-05 | Biobleaching process |
MX9202702A MX9202702A (es) | 1991-06-07 | 1992-06-05 | Proceso de bioblanqueo. |
CN92105644A CN1069539A (zh) | 1991-06-07 | 1992-06-06 | 生物漂白法 |
ZA924152A ZA924152B (en) | 1991-06-07 | 1992-06-08 | Biobleaching process |
TW081104447A TW198083B (fr) | 1991-06-07 | 1992-06-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002044100A CA2044100A1 (fr) | 1991-06-07 | 1991-06-07 | Procede de bioblanchiment |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2044100A1 true CA2044100A1 (fr) | 1992-12-08 |
Family
ID=4147760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002044100A Abandoned CA2044100A1 (fr) | 1991-06-07 | 1991-06-07 | Procede de bioblanchiment |
Country Status (8)
Country | Link |
---|---|
CN (1) | CN1069539A (fr) |
AU (1) | AU1808992A (fr) |
CA (1) | CA2044100A1 (fr) |
MX (1) | MX9202702A (fr) |
PT (1) | PT100569A (fr) |
TW (1) | TW198083B (fr) |
WO (1) | WO1992021813A1 (fr) |
ZA (1) | ZA924152B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1053242C (zh) * | 1995-12-11 | 2000-06-07 | 山东大学 | 利用木聚糖酶改善草浆性能的工艺 |
AU2002229430A1 (en) | 2001-01-18 | 2002-07-30 | Iogen Bio-Products Corporation | Use of xylanase in pulp bleaching |
JP2005506472A (ja) * | 2001-10-23 | 2005-03-03 | ノボザイムス アクティーゼルスカブ | 紙材料の製造における酸化酵素 |
US7368036B2 (en) | 2002-03-06 | 2008-05-06 | Iogen Bio-Products Corporation | Xylanase treatment of chemical pulp |
US7018510B2 (en) * | 2002-03-21 | 2006-03-28 | Council Of Scientific And Industrial Research | Process for bio-bleaching of Kraft pulp using bacterial consortia |
WO2006047713A2 (fr) * | 2004-10-27 | 2006-05-04 | Novozymes North America, Inc. | Traitement au dioxyde de chlorure assiste par enzymes |
CN102392380A (zh) * | 2005-05-04 | 2012-03-28 | 诺维信北美公司 | 二氧化氯处理组合物和方法 |
US8497097B2 (en) * | 2010-08-11 | 2013-07-30 | Georgia Tech Research Corporation | Chlorine dioxide treatment of biomass feedstock |
CN102182094B (zh) * | 2011-04-12 | 2012-03-14 | 山东轻工业学院 | 一种沙柳硫酸盐浆漂白工艺 |
CN104088185B (zh) * | 2014-06-11 | 2016-06-22 | 华南理工大学 | 一种纸浆的生物质基酶预处理漂白方法 |
CN104695265A (zh) * | 2015-03-26 | 2015-06-10 | 广西大学 | 一种利用木聚糖酶辅助纸浆二氧化氯漂白减少aox生成的方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2416297A1 (fr) * | 1978-01-31 | 1979-08-31 | Europeen Cellulose | Procede anti-polluant de blanchiment de pate a papier |
US5179021A (en) * | 1989-02-10 | 1993-01-12 | Gil Inc. (Now Ici Canada Inc.) | Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment |
FI90888B (fi) * | 1989-02-14 | 1993-12-31 | Enso Gutzeit Oy | Menetelmä selluloosamassan valkaisemiseksi |
-
1991
- 1991-06-07 CA CA002044100A patent/CA2044100A1/fr not_active Abandoned
-
1992
- 1992-06-05 PT PT100569A patent/PT100569A/pt not_active Application Discontinuation
- 1992-06-05 WO PCT/CA1992/000236 patent/WO1992021813A1/fr active Application Filing
- 1992-06-05 MX MX9202702A patent/MX9202702A/es unknown
- 1992-06-05 AU AU18089/92A patent/AU1808992A/en not_active Abandoned
- 1992-06-06 CN CN92105644A patent/CN1069539A/zh active Pending
- 1992-06-08 TW TW081104447A patent/TW198083B/zh active
- 1992-06-08 ZA ZA924152A patent/ZA924152B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
PT100569A (pt) | 1994-02-28 |
MX9202702A (es) | 1992-12-01 |
TW198083B (fr) | 1993-01-11 |
CN1069539A (zh) | 1993-03-03 |
AU1808992A (en) | 1992-12-10 |
WO1992021813A1 (fr) | 1992-12-10 |
ZA924152B (en) | 1993-02-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5179021A (en) | Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment | |
Bajpai | Application of enzymes in the pulp and paper industry | |
EP0473545B1 (fr) | Endoxylanases thermostables | |
Buchert et al. | Application of xylanases in the pulp and paper industry | |
US7368036B2 (en) | Xylanase treatment of chemical pulp | |
US5691193A (en) | Non-chlorine bleaching of kraft pulp | |
Bajpai et al. | Biobleaching of kraft pulp | |
EP0489104B1 (fr) | Procede de traitement de pate de lignocellulose | |
AU624279B2 (en) | Method for bleaching with reduced organic chlorides | |
Jurasek et al. | Biological treatments of pulps | |
CA2044100A1 (fr) | Procede de bioblanchiment | |
US7320741B2 (en) | Method of xylanase treatment in a chlorine dioxide bleaching sequence | |
CA2079000C (fr) | Methode d'utilisation d'enzymes pour la transformation et le blanchiment de la pate a papier, et appareil connexe | |
Jeffries | Enzymatic treatments of pulps | |
US7541175B1 (en) | Alkaline extraction stages comprising xylanase | |
JPH02210085A (ja) | パルプ漂白へのアウレオバシジウム プルランスの使用 | |
Zhao et al. | Alkaline peroxide mechanical pulping of wheat straw with enzyme treatment | |
US5785811A (en) | Process for treating lignocellulosic material with soybean peroxidase in the presence of peroxide | |
JPH03104993A (ja) | 酵素による木材パルプの漂白 | |
Bajpai | Topical paper | |
CA2120949A1 (fr) | Methode de traitement enzymatique de matieres lignocellulosiques, notamment de pulpe de cellulose | |
CA2349429A1 (fr) | Methode amelioree de blanchiment de la pate a l'aide d'enzymes oxydantes | |
CA2130906A1 (fr) | Methode pour le traitement enzymatique de la pate chimique avant le blanchiment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Dead |