AT400153B - Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien - Google Patents

Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien

Info

Publication number
AT400153B
AT400153B AT91791A AT91791A AT400153B AT 400153 B AT400153 B AT 400153B AT 91791 A AT91791 A AT 91791A AT 91791 A AT91791 A AT 91791A AT 400153 B AT400153 B AT 400153B
Authority
AT
Austria
Prior art keywords
lignocellulose
materials containing
containing xylan
bleaching materials
bleaching
Prior art date
Application number
AT91791A
Other languages
German (de)
English (en)
Other versions
ATA91791A (de
Inventor
Michael Dr Sinner
Karl Dr Schwarzl
Johann Dipl Ing Kapplmueller
Original Assignee
Voest Alpine Ind Anlagen
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 Voest Alpine Ind Anlagen filed Critical Voest Alpine Ind Anlagen
Priority to AT91791A priority Critical patent/AT400153B/de
Priority to EP92890102A priority patent/EP0512978A1/de
Priority to FI921961A priority patent/FI921961A/fi
Priority to CA 2067880 priority patent/CA2067880A1/en
Publication of ATA91791A publication Critical patent/ATA91791A/de
Application granted granted Critical
Publication of AT400153B publication Critical patent/AT400153B/de

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
    • D21C9/1057—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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
AT91791A 1991-05-02 1991-05-02 Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien AT400153B (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT91791A AT400153B (de) 1991-05-02 1991-05-02 Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien
EP92890102A EP0512978A1 (de) 1991-05-02 1992-04-28 Verfahren zum Bleichen von xylan- und lignocellulosehältigen Materialien
FI921961A FI921961A (fi) 1991-05-02 1992-04-30 Foerfarande foer blekning av xylan- och lignocellulosahaltiga material
CA 2067880 CA2067880A1 (en) 1991-05-02 1992-05-01 Method of bleaching xylan and lignocellulose-containing materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT91791A AT400153B (de) 1991-05-02 1991-05-02 Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien

Publications (2)

Publication Number Publication Date
ATA91791A ATA91791A (de) 1995-02-15
AT400153B true AT400153B (de) 1995-10-25

Family

ID=3502802

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91791A AT400153B (de) 1991-05-02 1991-05-02 Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien

Country Status (4)

Country Link
EP (1) EP0512978A1 (fi)
AT (1) AT400153B (fi)
CA (1) CA2067880A1 (fi)
FI (1) FI921961A (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI93232C (fi) * 1993-03-03 1995-03-10 Ahlstroem Oy Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
US6010594A (en) * 1993-03-03 2000-01-04 Ahlstrom Machinery Corporation Method of bleaching pulp with chlorine-free chemicals wherein a complexing agent is added immediately after an ozone bleach stage
BE1007272A3 (fr) * 1993-07-15 1995-05-09 Solvay Procede pour le blanchiment d'une pate a papier.
FI935187A (fi) * 1993-11-22 1995-05-23 Valtion Teknillinen Menetelmä valkaistun selluloosamassan valmistamiseksi
CN109320744B (zh) * 2018-09-26 2021-08-13 山东恒联新材料股份有限公司 一种再生纤维素膜漂白工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636208A1 (de) * 1986-10-24 1988-05-05 Call Hans Peter Verfahren zur delignifizierung und bleichung von lignicellulosehaltigem bzw. ligninhaltigem material bzw. lignin durch enzymatische behandlung
EP0373107A2 (en) * 1988-11-23 1990-06-13 Sandoz Ag Use of enzymes of Aureobasidium pullulans in pulp bleaching
EP0386888A2 (en) * 1989-02-10 1990-09-12 ICI Canada Inc. Oxygen delignification and enzyme treatment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636208A1 (de) * 1986-10-24 1988-05-05 Call Hans Peter Verfahren zur delignifizierung und bleichung von lignicellulosehaltigem bzw. ligninhaltigem material bzw. lignin durch enzymatische behandlung
EP0373107A2 (en) * 1988-11-23 1990-06-13 Sandoz Ag Use of enzymes of Aureobasidium pullulans in pulp bleaching
EP0386888A2 (en) * 1989-02-10 1990-09-12 ICI Canada Inc. Oxygen delignification and enzyme treatment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS 92, 165 513G *

Also Published As

Publication number Publication date
ATA91791A (de) 1995-02-15
FI921961A0 (fi) 1992-04-30
CA2067880A1 (en) 1992-11-03
FI921961A (fi) 1992-11-03
EP0512978A1 (de) 1992-11-11

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties
ELJ Ceased due to non-payment of the annual fee