FI924169A0 - Foerfarande foer enzymatisk blekning av cellulosa. - Google Patents

Foerfarande foer enzymatisk blekning av cellulosa.

Info

Publication number
FI924169A0
FI924169A0 FI924169A FI924169A FI924169A0 FI 924169 A0 FI924169 A0 FI 924169A0 FI 924169 A FI924169 A FI 924169A FI 924169 A FI924169 A FI 924169A FI 924169 A0 FI924169 A0 FI 924169A0
Authority
FI
Finland
Prior art keywords
enzymatisk
blekning
cellulosa
addition
foerfarande foer
Prior art date
Application number
FI924169A
Other languages
English (en)
Other versions
FI924169A (fi
Inventor
Hans-Peter Call
Original Assignee
Call Hans Peter
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 Call Hans Peter filed Critical Call Hans Peter
Publication of FI924169A0 publication Critical patent/FI924169A0/fi
Publication of FI924169A publication Critical patent/FI924169A/fi

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
    • 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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • 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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • D21C9/1089—Bleaching ; Apparatus therefor with reducing compounds with dithionites
    • 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
    • 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
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Detergent Compositions (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)
FI924169A 1990-03-20 1992-09-17 Foerfarande foer enzymatisk blekning av cellulosa FI924169A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4008893A DE4008893A1 (de) 1990-03-20 1990-03-20 Verfahren zum enzymatischen bleichen von zellstoffen
PCT/EP1991/000540 WO1991014823A1 (de) 1990-03-20 1991-03-19 Verfahren zum enzymatischen bleichen von zellstoffen

Publications (2)

Publication Number Publication Date
FI924169A0 true FI924169A0 (fi) 1992-09-17
FI924169A FI924169A (fi) 1992-09-17

Family

ID=6402620

Family Applications (1)

Application Number Title Priority Date Filing Date
FI924169A FI924169A (fi) 1990-03-20 1992-09-17 Foerfarande foer enzymatisk blekning av cellulosa

Country Status (13)

Country Link
EP (1) EP0447673B1 (fi)
JP (1) JPH05505857A (fi)
AT (1) ATE119593T1 (fi)
AU (1) AU641494B2 (fi)
BR (1) BR9106411A (fi)
CA (1) CA2078345A1 (fi)
DE (2) DE4008893A1 (fi)
DK (1) DK0447673T3 (fi)
ES (1) ES2072965T3 (fi)
FI (1) FI924169A (fi)
HU (1) HUT64119A (fi)
NO (1) NO180388C (fi)
WO (1) WO1991014823A1 (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4137761A1 (de) * 1991-05-17 1992-11-19 Call Hans Peter Verfahren zur delignifizierung von lignocellulosehaltigem material, bleiche und behandlung von abwaessern mittels laccasen mit erweiteter wirksamkeit
FI914780A0 (fi) * 1991-10-10 1991-10-10 Valtion Teknillinen Foerfarande foer entsymatisk behandling av lignocellulosahaltiga material, i synnerhet cellulosamassor.
CA2115881C (en) * 1993-02-25 2000-05-23 Michael G. Paice Non-chlorine bleaching of kraft pulp
CA2182182A1 (en) * 1993-06-16 1994-12-22 Hans-Peter Call Process for modifying, breaking down or bleaching ligin, materials containing ligin or like substances
BE1007272A3 (fr) * 1993-07-15 1995-05-09 Solvay Procede pour le blanchiment d'une pate a papier.
EP0652321B1 (en) * 1993-11-04 1998-01-21 Morton International, Inc. Chemical pulp bleaching
DE19820947B4 (de) * 1997-05-12 2005-12-01 Call, Krimhild Enzymatisches Bleichsystem mit neuen enzymwirkungsverstärkenden Verbindungen zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien oder Verändern oder Abbau von Kohle sowie Verfahren unter Verwendung des Bleichsystems
ATE254688T1 (de) * 1997-08-14 2003-12-15 Takashi Watanabe Chemisches verfahren zur depolymerisation von lignin
WO1999054545A1 (en) * 1998-04-16 1999-10-28 Pulp And Paper Research Institute Of Canada Oxidase process for pulp and dye oxidation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3110117C2 (de) * 1981-03-16 1983-09-29 Adolf 5340 St. Gilgen Basler Herstellung von Cellulose aus Holz oder anderen lignocellulosehaltigen Pflanzen durch mikrobiellen Abbau der Lignocellulose
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
US4687741A (en) * 1985-07-15 1987-08-18 Repligen Corporation Novel enzymes which catalyze the degradation and modification of lignin
US4692413A (en) * 1985-07-15 1987-09-08 Repligen Corporation Use of rLDM™ 1-6 and other ligninolytic enzymes for the decolorization of E1 effluent
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

Also Published As

Publication number Publication date
HU9202982D0 (en) 1993-01-28
NO180388C (no) 1997-04-09
NO923601D0 (no) 1992-09-16
ES2072965T3 (es) 1995-08-01
EP0447673A1 (de) 1991-09-25
ATE119593T1 (de) 1995-03-15
DK0447673T3 (da) 1995-07-24
DE4008893A1 (de) 1991-09-26
AU641494B2 (en) 1993-09-23
AU7543291A (en) 1991-10-21
BR9106411A (pt) 1993-05-04
DE59008655D1 (de) 1995-04-13
NO923601L (no) 1992-09-16
EP0447673B1 (de) 1995-03-08
HUT64119A (en) 1993-11-29
NO180388B (no) 1996-12-30
JPH05505857A (ja) 1993-08-26
CA2078345A1 (en) 1991-09-21
FI924169A (fi) 1992-09-17
WO1991014823A1 (de) 1991-10-03
DE4008893C2 (fi) 1992-09-03

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Legal Events

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Owner name: LIGNOZYM

FD Application lapsed