ATE119593T1 - Verfahren zum enzymatischen bleichen von zellstoffen. - Google Patents

Verfahren zum enzymatischen bleichen von zellstoffen.

Info

Publication number
ATE119593T1
ATE119593T1 AT90125380T AT90125380T ATE119593T1 AT E119593 T1 ATE119593 T1 AT E119593T1 AT 90125380 T AT90125380 T AT 90125380T AT 90125380 T AT90125380 T AT 90125380T AT E119593 T1 ATE119593 T1 AT E119593T1
Authority
AT
Austria
Prior art keywords
addition
bleaching
pulp
enzymatic bleaching
reaction
Prior art date
Application number
AT90125380T
Other languages
English (en)
Inventor
Hans-Peter Dr Call
Original Assignee
Lignozym Gmbh
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 Lignozym Gmbh filed Critical Lignozym Gmbh
Application granted granted Critical
Publication of ATE119593T1 publication Critical patent/ATE119593T1/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
    • 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)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Detergent Compositions (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
AT90125380T 1990-03-20 1990-12-22 Verfahren zum enzymatischen bleichen von zellstoffen. ATE119593T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4008893A DE4008893A1 (de) 1990-03-20 1990-03-20 Verfahren zum enzymatischen bleichen von zellstoffen

Publications (1)

Publication Number Publication Date
ATE119593T1 true ATE119593T1 (de) 1995-03-15

Family

ID=6402620

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90125380T ATE119593T1 (de) 1990-03-20 1990-12-22 Verfahren zum enzymatischen bleichen von zellstoffen.

Country Status (13)

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

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
ES2122299T3 (es) * 1993-06-16 1998-12-16 Lignozym Gmbh Proceso para modificacion, degradacion o blanqueo de lignina, materiales que contienen lignina o carbon.
BE1007272A3 (fr) * 1993-07-15 1995-05-09 Solvay Procede pour le blanchiment d'une pate a papier.
EP0652321B1 (de) * 1993-11-04 1998-01-21 Morton International, Inc. Bleichen von chemischem Zellstoff
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
ATE224476T1 (de) 1998-04-16 2002-10-15 Pulp Paper Res Inst Verfahren zur zellstoff- und farbstoffoxidation mittels oxidase

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
US4687741A (en) * 1985-07-15 1987-08-18 Repligen Corporation Novel enzymes which catalyze the degradation and modification of lignin
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
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
DE59008655D1 (de) 1995-04-13
EP0447673B1 (de) 1995-03-08
FI924169A0 (fi) 1992-09-17
FI924169A (fi) 1992-09-17
CA2078345A1 (en) 1991-09-21
EP0447673A1 (de) 1991-09-25
AU641494B2 (en) 1993-09-23
DE4008893A1 (de) 1991-09-26
DK0447673T3 (da) 1995-07-24
JPH05505857A (ja) 1993-08-26
AU7543291A (en) 1991-10-21
ES2072965T3 (es) 1995-08-01
NO923601D0 (no) 1992-09-16
WO1991014823A1 (de) 1991-10-03
DE4008893C2 (de) 1992-09-03
NO923601L (no) 1992-09-16
HU9202982D0 (en) 1993-01-28
HUT64119A (en) 1993-11-29
NO180388B (no) 1996-12-30
BR9106411A (pt) 1993-05-04
NO180388C (no) 1997-04-09

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