SE9202592D0 - Foerfarande foer massablekning - Google Patents

Foerfarande foer massablekning

Info

Publication number
SE9202592D0
SE9202592D0 SE9202592A SE9202592A SE9202592D0 SE 9202592 D0 SE9202592 D0 SE 9202592D0 SE 9202592 A SE9202592 A SE 9202592A SE 9202592 A SE9202592 A SE 9202592A SE 9202592 D0 SE9202592 D0 SE 9202592D0
Authority
SE
Sweden
Prior art keywords
procedures
mass preparation
pulp
treatment
chemical
Prior art date
Application number
SE9202592A
Other languages
English (en)
Other versions
SE9202592L (sv
Inventor
T Nishida
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of SE9202592D0 publication Critical patent/SE9202592D0/sv
Publication of SE9202592L publication Critical patent/SE9202592L/sv
Priority to FI950758A priority Critical patent/FI107562B/sv

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
    • D21C9/1026Other features in bleaching processes
    • D21C9/1036Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
SE9202592A 1991-01-21 1992-08-31 Foerfarande foer massablekning SE9202592L (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI950758A FI107562B (sv) 1992-08-31 1995-02-20 Skruv-mutter-förband

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3078159A JPH04240287A (ja) 1991-01-21 1991-01-21 パルプの漂白方法
PCT/JP1992/000027 WO1992013131A1 (fr) 1991-01-21 1992-01-16 Procede de blanchiment de pate a papier

Publications (2)

Publication Number Publication Date
SE9202592D0 true SE9202592D0 (sv) 1992-09-09
SE9202592L SE9202592L (sv) 1992-09-09

Family

ID=13654143

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9202592A SE9202592L (sv) 1991-01-21 1992-08-31 Foerfarande foer massablekning

Country Status (6)

Country Link
JP (1) JPH04240287A (sv)
AU (1) AU647891B2 (sv)
CA (1) CA2076679A1 (sv)
FI (1) FI923798A0 (sv)
SE (1) SE9202592L (sv)
WO (1) WO1992013131A1 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5468402A (en) * 1977-11-09 1979-06-01 Kogyo Gijutsuin Property modification of biochemical pulp
US4690895A (en) * 1985-07-15 1987-09-01 Repligen Corporation Use of rLDM™ 1-6 and other ligninolytic enzymes in the bleaching of kraft pulp
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
ZA894239B (en) * 1988-06-08 1990-03-28 Int Paper Co Enzymatic delignification of lignocellulosic material
JPH02118191A (ja) * 1988-10-26 1990-05-02 Jujo Paper Co Ltd 製紙用機械パルプの製造方法及び紙の製造方法
CA2003503A1 (en) * 1988-11-23 1990-05-23 Roberta Lee Farrell Use of aureobasidium pullulans in pulp bleaching
NO894623L (no) * 1988-11-23 1990-05-25 Sandoz Ag Biologisk fremgangsmaate for bleking av pulp.
US5179021A (en) * 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
JPH02259180A (ja) * 1989-03-29 1990-10-19 Kobe Steel Ltd 微生物処理によるパルプの製造方法
FI86896B (fi) * 1989-05-04 1992-07-15 Enso Gutzeit Oy Foerfarande foer blekning av cellulosamassa.
ZA904441B (en) * 1989-06-22 1991-03-27 Int Paper Co Enzymatic delignification of lignocellulosic material
FI92414B (sv) * 1989-11-27 1994-07-29 Enso Gutzeit Oy Förfarande för tillverkning av massa
JPH03220388A (ja) * 1990-01-19 1991-09-27 Kobe Steel Ltd パルプの製造法
JPH03269188A (ja) * 1990-03-16 1991-11-29 Oji Paper Co Ltd アルカリパルプの漂白方法

Also Published As

Publication number Publication date
JPH04240287A (ja) 1992-08-27
FI923798A (fi) 1992-08-24
CA2076679A1 (en) 1992-07-22
SE9202592L (sv) 1992-09-09
WO1992013131A1 (fr) 1992-08-06
AU647891B2 (en) 1994-03-31
AU1168892A (en) 1992-08-27
FI923798A0 (fi) 1992-08-24

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