BR9006957A - Processo para alvejamento com cloretos organicos reduzidos - Google Patents

Processo para alvejamento com cloretos organicos reduzidos

Info

Publication number
BR9006957A
BR9006957A BR909006957A BR9006957A BR9006957A BR 9006957 A BR9006957 A BR 9006957A BR 909006957 A BR909006957 A BR 909006957A BR 9006957 A BR9006957 A BR 9006957A BR 9006957 A BR9006957 A BR 9006957A
Authority
BR
Brazil
Prior art keywords
targeting
organic chlorides
reduced organic
chlorides
reduced
Prior art date
Application number
BR909006957A
Other languages
English (en)
Inventor
Shyam S Bhattacharjee
Doraine M Dewitt
Wilfrid Fookes Jr
William L Olsen
Original Assignee
Int Paper Co
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 Int Paper Co filed Critical Int Paper Co
Publication of BR9006957A publication Critical patent/BR9006957A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01032—Xylan endo-1,3-beta-xylosidase (3.2.1.32), i.e. endo-1-3-beta-xylanase
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14—Hydrolases (3)
    • C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
    • C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
    • C12N9/2477—Hemicellulases not provided in a preceding group
    • C12N9/248—Xylanases
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01008—Endo-1,4-beta-xylanase (3.2.1.8)
    • 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
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Paper (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BR909006957A 1989-10-18 1990-10-16 Processo para alvejamento com cloretos organicos reduzidos BR9006957A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42323989A 1989-10-18 1989-10-18
PCT/US1990/005933 WO1991005908A1 (en) 1989-10-18 1990-10-16 Method for bleaching with reduced organic chlorides

Publications (1)

Publication Number Publication Date
BR9006957A true BR9006957A (pt) 1991-10-08

Family

ID=23678154

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909006957A BR9006957A (pt) 1989-10-18 1990-10-16 Processo para alvejamento com cloretos organicos reduzidos

Country Status (9)

Country Link
EP (1) EP0457865A4 (pt)
JP (1) JPH04503695A (pt)
AU (1) AU624279B2 (pt)
BR (1) BR9006957A (pt)
CA (1) CA2044279A1 (pt)
NZ (1) NZ235679A (pt)
PT (1) PT95615A (pt)
RU (1) RU1838488C (pt)
WO (1) WO1991005908A1 (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK420289D0 (da) * 1989-08-25 1989-08-25 Novo Nordisk As Fremgangsmaade til behandling af lignocellulosepulp
SE465320B (sv) * 1990-01-10 1991-08-26 Korsnaes Ab Preparat som uppvisar enzymatisk delignifieringsaktivitet, saett att framstaella detsamma och tillaempningar daerav
US5837515A (en) * 1990-05-16 1998-11-17 Alko-Yhtiot Oy Enzyme preparations and methods for their production
DE4129739A1 (de) * 1990-09-11 1992-03-12 Sandoz Ag Chlorfreies bleichen von papierpulpe
FI90670C (sv) * 1991-05-02 1994-03-10 Metsae Serla Oy Behandling av alkalibehandlad massa för användning i pappersframställning
AT400153B (de) * 1991-05-02 1995-10-25 Voest Alpine Ind Anlagen Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien
CA2082185C (en) * 1991-11-26 2004-01-20 Alexander R. Pokora Protease catalyzed treatments of lignocellulose materials
JPH06116889A (ja) * 1992-09-30 1994-04-26 New Oji Paper Co Ltd 木材化学パルプの漂白法
JPH06220786A (ja) * 1993-01-25 1994-08-09 Hokuetsu Paper Mills Ltd パルプの漂白方法
US7816129B2 (en) 1994-07-29 2010-10-19 Ab Enzymes Gmbh Production and secretion of proteins of bacterial origin in filamentous fungi
US5935836A (en) * 1994-07-29 1999-08-10 Rohm Enzyme Finland Oy Actinomadura xylanase sequences and methods of use
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
US6635464B1 (en) 1995-12-18 2003-10-21 Rohm Enzyme Finland Oy Xylanases, genes encoding them, and uses thereof
WO1997022691A1 (en) * 1995-12-18 1997-06-26 Röhm Enzyme Finland OY Novel xylanases and uses thereof
US6228629B1 (en) 1995-12-18 2001-05-08 Röhn Enzyme Finland OY Xylanases, genes encoding them, and uses thereof
AU2002229430A1 (en) 2001-01-18 2002-07-30 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
AU2003208216A1 (en) 2002-03-06 2003-09-16 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp
CN1675365A (zh) 2002-06-14 2005-09-28 戴弗萨公司 木聚糖酶、编码木聚糖酶的核酸以及制备和应用它们的方法
CN100372996C (zh) * 2005-12-20 2008-03-05 新疆博湖苇业股份有限公司 改进的纸浆漂白工艺
USRE45660E1 (en) 2006-02-14 2015-09-01 Bp Corporation North America Inc. Xylanases, nucleic acids encoding them and methods for making and using them
CA2672102A1 (en) 2006-12-05 2008-06-12 Meneba B.V. Flour-based product, its preparation and use
WO2010093233A1 (en) * 2009-02-12 2010-08-19 Universiti Sains Malaysia A process for bioenzymatic deinking of paper

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI81395B (fi) * 1988-03-14 1990-06-29 Cultor Oy Foerfarande foer blekning av cellulosamassa.

Also Published As

Publication number Publication date
EP0457865A1 (en) 1991-11-27
EP0457865A4 (en) 1992-10-21
WO1991005908A1 (en) 1991-05-02
RU1838488C (ru) 1993-08-30
NZ235679A (en) 1993-01-27
JPH04503695A (ja) 1992-07-02
PT95615A (pt) 1991-09-13
AU624279B2 (en) 1992-06-04
AU6648690A (en) 1991-05-16
CA2044279A1 (en) 1991-04-19

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