FI923798A - FOERFARANDE FOER BLEKNING AV MASSA - Google Patents

FOERFARANDE FOER BLEKNING AV MASSA Download PDF

Info

Publication number
FI923798A
FI923798A FI923798A FI923798A FI923798A FI 923798 A FI923798 A FI 923798A FI 923798 A FI923798 A FI 923798A FI 923798 A FI923798 A FI 923798A FI 923798 A FI923798 A FI 923798A
Authority
FI
Finland
Prior art keywords
massa
foerfarande foer
blekning
foer blekning
foerfarande
Prior art date
Application number
FI923798A
Other languages
Finnish (fi)
Other versions
FI923798A0 (en
Inventor
Tomoaki Nishida
Yoshinori Kashino
Yoshimasa Takahara
Kokki Sakai
Ryuichiro Kondo
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 FI923798A publication Critical patent/FI923798A/en
Publication of FI923798A0 publication Critical patent/FI923798A0/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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI923798A 1991-01-21 1992-08-24 FOERFARANDE FOER BLEKNING AV MASSA. FI923798A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7815991A JPH04240287A (en) 1991-01-21 1991-01-21 Bleaching of pulp
PCT/JP1992/000027 WO1992013131A1 (en) 1991-01-21 1992-01-16 Process for bleaching pulp

Publications (2)

Publication Number Publication Date
FI923798A true FI923798A (en) 1992-08-24
FI923798A0 FI923798A0 (en) 1992-08-24

Family

ID=13654143

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923798A FI923798A0 (en) 1991-01-21 1992-08-24 FOERFARANDE FOER BLEKNING AV MASSA.

Country Status (6)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3262646B2 (en) * 1993-07-09 2002-03-04 日本製紙株式会社 Pulp bleaching method
JPH0734396A (en) * 1993-07-15 1995-02-03 Nippon Paper Ind Co Ltd Base paper for laminated sheet

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 (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
ZA894239B (en) * 1988-06-08 1990-03-28 Int Paper Co Enzymatic delignification of lignocellulosic material
JPH02118191A (en) * 1988-10-26 1990-05-02 Jujo Paper Co Ltd Production of mechanical pulp for papermaking and production of paper
CA2003503A1 (en) * 1988-11-23 1990-05-23 Roberta Lee Farrell Use of aureobasidium pullulans in pulp bleaching
NO894623L (en) * 1988-11-23 1990-05-25 Sandoz Ag BIOLOGICAL PROCEDURE FOR PULP WHITENING.
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 (en) * 1989-03-29 1990-10-19 Kobe Steel Ltd Production of pulp by microbial treatment
FI86896B (en) * 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 (en) * 1989-11-27 1994-07-29 Enso Gutzeit Oy Process for mass production
JPH03220388A (en) * 1990-01-19 1991-09-27 Kobe Steel Ltd Production of pulp
JPH03269188A (en) * 1990-03-16 1991-11-29 Oji Paper Co Ltd Bleaching of alkali pulp

Also Published As

Publication number Publication date
SE9202592D0 (en) 1992-09-09
FI923798A0 (en) 1992-08-24
CA2076679A1 (en) 1992-07-22
SE9202592L (en) 1992-09-09
WO1992013131A1 (en) 1992-08-06
AU647891B2 (en) 1994-03-31
JPH04240287A (en) 1992-08-27
AU1168892A (en) 1992-08-27

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Legal Events

Date Code Title Description
FD Application lapsed