DE4129739A1 - Chlorfreies bleichen von papierpulpe - Google Patents

Chlorfreies bleichen von papierpulpe

Info

Publication number
DE4129739A1
DE4129739A1 DE4129739A DE4129739A DE4129739A1 DE 4129739 A1 DE4129739 A1 DE 4129739A1 DE 4129739 A DE4129739 A DE 4129739A DE 4129739 A DE4129739 A DE 4129739A DE 4129739 A1 DE4129739 A1 DE 4129739A1
Authority
DE
Germany
Prior art keywords
pulp
treatment
oxygen
extraction
stages
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.)
Withdrawn
Application number
DE4129739A
Other languages
German (de)
English (en)
Inventor
Roberta L Farrell
Paul Skerker
Hou-Min Chang
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.)
Clariant Finance BVI Ltd
Original Assignee
Sandoz AG
Sandoz Patent GmbH
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, Sandoz Patent GmbH filed Critical Sandoz AG
Publication of DE4129739A1 publication Critical patent/DE4129739A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005Treatment of cellulose-containing material with microorganisms or enzymes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/12Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14Bleaching ; 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)
DE4129739A 1990-09-11 1991-09-06 Chlorfreies bleichen von papierpulpe Withdrawn DE4129739A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE4129739A1 true DE4129739A1 (de) 1992-03-12

Family

ID=24322372

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4129739A Withdrawn DE4129739A1 (de) 1990-09-11 1991-09-06 Chlorfreies bleichen von papierpulpe

Country Status (7)

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

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 (fi) * 1993-11-22 1995-05-23 Valtion Teknillinen Menetelmä valkaistun selluloosamassan valmistamiseksi
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 (fr) * 1997-06-10 2003-07-09 Danisco Sweeteners Oy Procédé pour la production de xylose cristallin
US7541175B1 (en) 2000-12-22 2009-06-02 Iogen Energy Corporation Alkaline extraction stages comprising xylanase
CA2435279A1 (fr) 2001-01-18 2002-07-25 Iogen Bio-Products Corporation Procedes permettant un traitement de blanchiment a l'aide de xylanases
CA2436765A1 (fr) * 2001-12-03 2003-06-12 Iogen Bio-Products Corporation Etape de blanchiment comprenant l'utilisation de xylanase en association avec du peroxyde d'hydrogene, des peracides ou une combinaison de ces derniers
US7368036B2 (en) 2002-03-06 2008-05-06 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp
WO2009138090A2 (fr) * 2008-05-14 2009-11-19 Rådet For Agroindustri Procédé pour la fabrication de matière végétale hydrolysée
US9057156B2 (en) 2010-12-22 2015-06-16 Skzo 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
ATE20680T1 (de) * 1982-04-30 1986-07-15 Ici Plc Delignifizierung von lignocellulosematerial.
FI81395B (fi) * 1988-03-14 1990-06-29 Cultor Oy Foerfarande foer blekning av cellulosamassa.
EP0373107B1 (fr) * 1988-11-23 1994-03-23 Sandoz Ag Utilisation d'enzymes de Auréobasidium pullulans pour le blanchiment de pâte
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
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
GB9119218D0 (en) 1991-10-23
GB2248075B (en) 1994-06-29
FR2666597B1 (fr) 1996-10-31
GB2248075A (en) 1992-03-25
IT1249694B (it) 1995-03-09
FR2666597A1 (fr) 1992-03-13
SE9102589L (sv) 1992-03-12
CA2050986A1 (fr) 1992-03-12
JPH04245988A (ja) 1992-09-02
ITRM910670A0 (it) 1991-09-10
ITRM910670A1 (it) 1993-03-10
SE9102589D0 (sv) 1991-09-09

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: CLARIANT FINANCE (BVI) LTD., TORTOLA, VG

8128 New person/name/address of the agent

Representative=s name: SPOTT WEINMILLER & PARTNER, 80336 MUENCHEN

8110 Request for examination paragraph 44
8130 Withdrawal