WO1992021813A1 - Biobleaching process - Google Patents
Biobleaching process Download PDFInfo
- Publication number
- WO1992021813A1 WO1992021813A1 PCT/CA1992/000236 CA9200236W WO9221813A1 WO 1992021813 A1 WO1992021813 A1 WO 1992021813A1 CA 9200236 W CA9200236 W CA 9200236W WO 9221813 A1 WO9221813 A1 WO 9221813A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chlorine
- pulp
- xylanase
- chlorine dioxide
- chlorination
- 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
- 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)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002044100A CA2044100A1 (en) | 1991-06-07 | 1991-06-07 | Biobleaching process |
CA2,044,100 | 1991-06-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992021813A1 true WO1992021813A1 (en) | 1992-12-10 |
Family
ID=4147760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA1992/000236 WO1992021813A1 (en) | 1991-06-07 | 1992-06-05 | Biobleaching process |
Country Status (8)
Country | Link |
---|---|
CN (1) | CN1069539A (es) |
AU (1) | AU1808992A (es) |
CA (1) | CA2044100A1 (es) |
MX (1) | MX9202702A (es) |
PT (1) | PT100569A (es) |
TW (1) | TW198083B (es) |
WO (1) | WO1992021813A1 (es) |
ZA (1) | ZA924152B (es) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003074780A1 (en) * | 2002-03-06 | 2003-09-12 | Iogen Bio-Products Corporation | Xylanase treatment of chemical pulp |
WO2006047713A2 (en) * | 2004-10-27 | 2006-05-04 | Novozymes North America, Inc. | Enzymatic-assisted chlorine dioxide treatment |
US7320741B2 (en) | 2001-01-18 | 2008-01-22 | Iogen Bio-Products Corporation | Method of xylanase treatment in a chlorine dioxide bleaching sequence |
CN103180345A (zh) * | 2010-08-11 | 2013-06-26 | 佐治亚技术研究公司 | 生物质原料的二氧化氯处理 |
Families Citing this family (7)
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 |
CA2461447A1 (en) * | 2001-10-23 | 2003-05-01 | Novozymes A/S | Oxidizing enzymes in the manufacture of paper materials |
US7018510B2 (en) * | 2002-03-21 | 2006-03-28 | Council Of Scientific And Industrial Research | Process for bio-bleaching of Kraft pulp using bacterial consortia |
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 |
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 |
Citations (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 |
EP0383999A2 (en) * | 1989-02-14 | 1990-08-29 | Enso-Gutzeit Oy | Procedure for the bleaching of pulp |
EP0386888A2 (en) * | 1989-02-10 | 1990-09-12 | ICI Canada Inc. | Oxygen delignification and enzyme treatment |
-
1991
- 1991-06-07 CA CA002044100A patent/CA2044100A1/en not_active Abandoned
-
1992
- 1992-06-05 MX MX9202702A patent/MX9202702A/es unknown
- 1992-06-05 PT PT100569A patent/PT100569A/pt not_active Application Discontinuation
- 1992-06-05 AU AU18089/92A patent/AU1808992A/en not_active Abandoned
- 1992-06-05 WO PCT/CA1992/000236 patent/WO1992021813A1/en active Application Filing
- 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
Patent Citations (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 |
EP0386888A2 (en) * | 1989-02-10 | 1990-09-12 | ICI Canada Inc. | Oxygen delignification and enzyme treatment |
EP0383999A2 (en) * | 1989-02-14 | 1990-08-29 | Enso-Gutzeit Oy | Procedure for the bleaching of pulp |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7320741B2 (en) | 2001-01-18 | 2008-01-22 | Iogen Bio-Products Corporation | Method of xylanase treatment in a chlorine dioxide bleaching sequence |
WO2003074780A1 (en) * | 2002-03-06 | 2003-09-12 | Iogen Bio-Products Corporation | Xylanase treatment of chemical pulp |
CN100346030C (zh) * | 2002-03-06 | 2007-10-31 | 埃欧金生物制品公司 | 化学纸浆的木聚糖酶处理 |
US7368036B2 (en) | 2002-03-06 | 2008-05-06 | Iogen Bio-Products Corporation | Xylanase treatment of chemical pulp |
WO2006047713A2 (en) * | 2004-10-27 | 2006-05-04 | Novozymes North America, Inc. | Enzymatic-assisted chlorine dioxide treatment |
WO2006047713A3 (en) * | 2004-10-27 | 2006-08-10 | Novozymes North America Inc | Enzymatic-assisted chlorine dioxide treatment |
CN103180345A (zh) * | 2010-08-11 | 2013-06-26 | 佐治亚技术研究公司 | 生物质原料的二氧化氯处理 |
Also Published As
Publication number | Publication date |
---|---|
MX9202702A (es) | 1992-12-01 |
AU1808992A (en) | 1992-12-10 |
CA2044100A1 (en) | 1992-12-08 |
PT100569A (pt) | 1994-02-28 |
TW198083B (es) | 1993-01-11 |
CN1069539A (zh) | 1993-03-03 |
ZA924152B (en) | 1993-02-24 |
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