SE9102589D0 - Chlorine-free process for bleaching pulp - Google Patents

Chlorine-free process for bleaching pulp

Info

Publication number
SE9102589D0
SE9102589D0 SE9102589A SE9102589A SE9102589D0 SE 9102589 D0 SE9102589 D0 SE 9102589D0 SE 9102589 A SE9102589 A SE 9102589A SE 9102589 A SE9102589 A SE 9102589A SE 9102589 D0 SE9102589 D0 SE 9102589D0
Authority
SE
Sweden
Prior art keywords
chlorine
pulp
extracted
free process
treated
Prior art date
Application number
SE9102589A
Other languages
English (en)
Other versions
SE9102589L (sv
Inventor
R L Farrell
Original Assignee
Sandoz Ag
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 Sandoz Ag filed Critical Sandoz Ag
Publication of SE9102589D0 publication Critical patent/SE9102589D0/sv
Publication of SE9102589L publication Critical patent/SE9102589L/sv

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
    • 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
    • D21C9/12—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)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
SE9102589A 1990-09-11 1991-09-09 Klorfritt foerfarande foer blekning av pappersmassa SE9102589L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58074390A 1990-09-11 1990-09-11

Publications (2)

Publication Number Publication Date
SE9102589D0 true SE9102589D0 (sv) 1991-09-09
SE9102589L SE9102589L (sv) 1992-03-12

Family

ID=24322372

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9102589A SE9102589L (sv) 1990-09-11 1991-09-09 Klorfritt foerfarande foer blekning av pappersmassa

Country Status (7)

Country Link
JP (1) JPH04245988A (sv)
CA (1) CA2050986A1 (sv)
DE (1) DE4129739A1 (sv)
FR (1) FR2666597B1 (sv)
GB (1) GB2248075B (sv)
IT (1) IT1249694B (sv)
SE (1) SE9102589L (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06116889A (ja) * 1992-09-30 1994-04-26 New Oji Paper Co Ltd 木材化学パルプの漂白法
JP3262646B2 (ja) * 1993-07-09 2002-03-04 日本製紙株式会社 パルプの漂白方法
JPH0734396A (ja) * 1993-07-15 1995-02-03 Nippon Paper Ind Co Ltd 積層板用原紙
JP3244887B2 (ja) * 1993-10-21 2002-01-07 三菱製紙株式会社 食品容器用の紙
FI935187A (sv) * 1993-11-22 1995-05-23 Valtion Teknillinen Foerfarande foer framstaellning av blekt cellulosamassa
JP3610686B2 (ja) * 1996-07-31 2005-01-19 王子製紙株式会社 印刷用塗被紙の製造方法
EP1325961A1 (en) * 1997-06-10 2003-07-09 Danisco Sweeteners Oy A process for the production of crystalline xylose
AU2002226210A1 (en) 2000-12-22 2002-07-08 Iogen Bio-Products Corporation Alkaline extraction stages comprising xylanase
CA2435279A1 (en) 2001-01-18 2002-07-25 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
AU2002351904A1 (en) * 2001-12-03 2003-06-17 Iogen Bio-Products Corporation Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
WO2003074780A1 (en) * 2002-03-06 2003-09-12 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp
WO2009138090A2 (en) * 2008-05-14 2009-11-19 Rådet For Agroindustri A process for the production of hydrolysed plant material
WO2012084842A1 (en) 2010-12-22 2012-06-28 Akzo Nobel Chemicals International B.V. Process for improving chlorine dioxide bleaching of pulp
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3364419D1 (en) * 1982-04-30 1986-08-14 Ici Plc Delignification of lignocellulosic material
FI81395B (fi) * 1988-03-14 1990-06-29 Cultor Oy Foerfarande foer blekning av cellulosamassa.
EP0373107B1 (en) * 1988-11-23 1994-03-23 Sandoz Ag Use of enzymes of Aureobasidium pullulans in pulp bleaching
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 (sv) * 1989-02-14 1993-12-31 Enso Gutzeit Oy Förfarande för blekning av cellulosamassa
FI86896B (fi) * 1989-05-04 1992-07-15 Enso Gutzeit Oy Foerfarande foer blekning av cellulosamassa.
DK420289D0 (da) * 1989-08-25 1989-08-25 Novo Nordisk As Fremgangsmaade til behandling af lignocellulosepulp
NZ235679A (en) * 1989-10-18 1993-01-27 Int Paper Co Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages

Also Published As

Publication number Publication date
GB2248075B (en) 1994-06-29
DE4129739A1 (de) 1992-03-12
JPH04245988A (ja) 1992-09-02
FR2666597A1 (fr) 1992-03-13
SE9102589L (sv) 1992-03-12
IT1249694B (it) 1995-03-09
GB9119218D0 (en) 1991-10-23
GB2248075A (en) 1992-03-25
FR2666597B1 (fr) 1996-10-31
ITRM910670A0 (it) 1991-09-10
ITRM910670A1 (it) 1993-03-10
CA2050986A1 (en) 1992-03-12

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