AT400153B - METHOD FOR BLEACHING MATERIALS CONTAINING XYLAN AND LIGNOCELLULOSE - Google Patents

METHOD FOR BLEACHING MATERIALS CONTAINING XYLAN AND LIGNOCELLULOSE

Info

Publication number
AT400153B
AT400153B AT0091791A AT91791A AT400153B AT 400153 B AT400153 B AT 400153B AT 0091791 A AT0091791 A AT 0091791A 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
AT0091791A
Other languages
German (de)
Other versions
ATA91791A (en
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 AT0091791A priority Critical patent/AT400153B/en
Priority to EP92890102A priority patent/EP0512978A1/en
Priority to FI921961A priority patent/FI921961A7/en
Priority to CA002067880A priority patent/CA2067880A1/en
Publication of ATA91791A publication Critical patent/ATA91791A/en
Application granted granted Critical
Publication of AT400153B publication Critical patent/AT400153B/en

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)
AT0091791A 1991-05-02 1991-05-02 METHOD FOR BLEACHING MATERIALS CONTAINING XYLAN AND LIGNOCELLULOSE AT400153B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT0091791A AT400153B (en) 1991-05-02 1991-05-02 METHOD FOR BLEACHING MATERIALS CONTAINING XYLAN AND LIGNOCELLULOSE
EP92890102A EP0512978A1 (en) 1991-05-02 1992-04-28 Process for bleaching xylan and lignocellulose containing materials
FI921961A FI921961A7 (en) 1991-05-02 1992-04-30 Method for bleaching xylan- and lignocellulosic materials
CA002067880A 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
AT0091791A AT400153B (en) 1991-05-02 1991-05-02 METHOD FOR BLEACHING MATERIALS CONTAINING XYLAN AND LIGNOCELLULOSE

Publications (2)

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

Family

ID=3502802

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0091791A AT400153B (en) 1991-05-02 1991-05-02 METHOD FOR BLEACHING MATERIALS CONTAINING XYLAN AND LIGNOCELLULOSE

Country Status (4)

Country Link
EP (1) EP0512978A1 (en)
AT (1) AT400153B (en)
CA (1) CA2067880A1 (en)
FI (1) FI921961A7 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FI93232C (en) * 1993-03-03 1995-03-10 Ahlstroem Oy Process for bleaching pulp with chlorine-free chemicals
BE1007272A3 (en) * 1993-07-15 1995-05-09 Solvay Method of a pulp bleach.
FI935187A7 (en) * 1993-11-22 1995-05-23 Valtion Teknillinen Tutkimuskeskus Method for producing bleached cellulose pulp
RU2372429C1 (en) * 2008-05-19 2009-11-10 Учреждение Российской академии наук "Институт химии растворов РАН" Method of fermentation and peroxide bleaching of flax-containing fabrics
CN109320744B (en) * 2018-09-26 2021-08-13 山东恒联新材料股份有限公司 Regenerated cellulose membrane bleaching process

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636208A1 (en) * 1986-10-24 1988-05-05 Call Hans Peter METHOD FOR DELIGNIFYING AND WHICH BLEACHING LIGNICELLULOSE-CONTAINING OR LIGNINAL MATERIAL OR LIGNIN BY ENZYMATIC TREATMENT
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 (en) * 1978-04-04 1981-10-21 Myrens Verksted As PROCEDURE FOR BLACKING OXYGEN-EQUIVALIZED CELLULOSE-containing OZONE
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 (en) * 1986-10-24 1988-05-05 Call Hans Peter METHOD FOR DELIGNIFYING AND WHICH BLEACHING LIGNICELLULOSE-CONTAINING OR LIGNINAL MATERIAL OR LIGNIN BY ENZYMATIC TREATMENT
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
FI921961L (en) 1992-11-03
FI921961A0 (en) 1992-04-30
FI921961A7 (en) 1992-11-03
CA2067880A1 (en) 1992-11-03
EP0512978A1 (en) 1992-11-11
ATA91791A (en) 1995-02-15

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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