CA2044100A1 - Biobleaching process - Google Patents

Biobleaching process

Info

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
Application number
CA002044100A
Other languages
English (en)
French (fr)
Inventor
Janice Hamilton
David John Senior
John R. Du Manoir
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Architectural Coatings Canada Inc
Original Assignee
ICI Canada Inc
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 ICI Canada Inc filed Critical ICI Canada Inc
Priority to CA002044100A priority Critical patent/CA2044100A1/en
Priority to PCT/CA1992/000236 priority patent/WO1992021813A1/en
Priority to AU18089/92A priority patent/AU1808992A/en
Priority to MX9202702A priority patent/MX9202702A/es
Priority to PT100569A priority patent/PT100569A/pt
Priority to CN92105644A priority patent/CN1069539A/zh
Priority to ZA924152A priority patent/ZA924152B/xx
Priority to TW081104447A priority patent/TW198083B/zh
Publication of CA2044100A1 publication Critical patent/CA2044100A1/en
Abandoned legal-status Critical Current

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)
CA002044100A 1991-06-07 1991-06-07 Biobleaching process Abandoned CA2044100A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA002044100A CA2044100A1 (en) 1991-06-07 1991-06-07 Biobleaching process
PCT/CA1992/000236 WO1992021813A1 (en) 1991-06-07 1992-06-05 Biobleaching process
AU18089/92A AU1808992A (en) 1991-06-07 1992-06-05 Biobleaching process
MX9202702A MX9202702A (es) 1991-06-07 1992-06-05 Proceso de bioblanqueo.
PT100569A PT100569A (pt) 1991-06-07 1992-06-05 Processo de biobranqueamento
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 (enrdf_load_stackoverflow) 1991-06-07 1992-06-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002044100A CA2044100A1 (en) 1991-06-07 1991-06-07 Biobleaching process

Publications (1)

Publication Number Publication Date
CA2044100A1 true CA2044100A1 (en) 1992-12-08

Family

ID=4147760

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002044100A Abandoned CA2044100A1 (en) 1991-06-07 1991-06-07 Biobleaching process

Country Status (8)

Country Link
CN (1) CN1069539A (enrdf_load_stackoverflow)
AU (1) AU1808992A (enrdf_load_stackoverflow)
CA (1) CA2044100A1 (enrdf_load_stackoverflow)
MX (1) MX9202702A (enrdf_load_stackoverflow)
PT (1) PT100569A (enrdf_load_stackoverflow)
TW (1) TW198083B (enrdf_load_stackoverflow)
WO (1) WO1992021813A1 (enrdf_load_stackoverflow)
ZA (1) ZA924152B (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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
CA2435279A1 (en) 2001-01-18 2002-07-25 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
AU2002336917B2 (en) * 2001-10-23 2007-08-23 Novozymes A/S Oxidizing enzymes in the manufacture of paper materials
WO2003074780A1 (en) * 2002-03-06 2003-09-12 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 (en) * 2004-10-27 2006-05-04 Novozymes North America, Inc. Enzymatic-assisted chlorine dioxide treatment
BRPI0520253B1 (pt) * 2005-05-04 2016-09-06 Novozymes As métodos para a deslignificação e/ou alvejamento de uma polpa, e para o tratamento de água de rejeito e/ou lama
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
TW198083B (enrdf_load_stackoverflow) 1993-01-11
WO1992021813A1 (en) 1992-12-10
MX9202702A (es) 1992-12-01
PT100569A (pt) 1994-02-28
CN1069539A (zh) 1993-03-03
ZA924152B (en) 1993-02-24
AU1808992A (en) 1992-12-10

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Legal Events

Date Code Title Description
FZDE Dead