DE59008655D1 - Verfahren zum enzymatischen Bleichen von Zellstoffen. - Google Patents

Verfahren zum enzymatischen Bleichen von Zellstoffen.

Info

Publication number
DE59008655D1
DE59008655D1 DE59008655T DE59008655T DE59008655D1 DE 59008655 D1 DE59008655 D1 DE 59008655D1 DE 59008655 T DE59008655 T DE 59008655T DE 59008655 T DE59008655 T DE 59008655T DE 59008655 D1 DE59008655 D1 DE 59008655D1
Authority
DE
Germany
Prior art keywords
addition
cellulose
bleaching
enzymatic bleaching
reaction
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE59008655T
Other languages
English (en)
Inventor
Hans-Peter Dr Call
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lignozym GmbH
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 DE59008655D1 publication Critical patent/DE59008655D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE59008655T 1990-03-20 1990-12-22 Verfahren zum enzymatischen Bleichen von Zellstoffen. Expired - Fee Related DE59008655D1 (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
DE59008655D1 true DE59008655D1 (de) 1995-04-13

Family

ID=6402620

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4008893A Granted DE4008893A1 (de) 1990-03-20 1990-03-20 Verfahren zum enzymatischen bleichen von zellstoffen
DE59008655T Expired - Fee Related DE59008655D1 (de) 1990-03-20 1990-12-22 Verfahren zum enzymatischen Bleichen von Zellstoffen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4008893A Granted DE4008893A1 (de) 1990-03-20 1990-03-20 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) FI924169A0 (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
CN1127523A (zh) * 1993-06-16 1996-07-24 汉斯-彼得·考尔 多组分漂白系统
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
DE69726320T2 (de) * 1997-08-14 2004-10-21 Takashi Watanabe Chemisches verfahren zur depolymerisation von lignin
ID26087A (id) * 1998-04-16 2000-11-23 Pulp And Paper Res Institusi O Proses oksidasi untuk oksidasi bubur kayu dan bahan celup

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
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
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
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
FI924169A (fi) 1992-09-17
HUT64119A (en) 1993-11-29
BR9106411A (pt) 1993-05-04
NO180388B (no) 1996-12-30
FI924169A0 (fi) 1992-09-17
DE4008893C2 (de) 1992-09-03
JPH05505857A (ja) 1993-08-26
DE4008893A1 (de) 1991-09-26
AU7543291A (en) 1991-10-21
DK0447673T3 (da) 1995-07-24
CA2078345A1 (en) 1991-09-21
AU641494B2 (en) 1993-09-23
EP0447673B1 (de) 1995-03-08
EP0447673A1 (de) 1991-09-25
NO923601L (no) 1992-09-16
NO923601D0 (no) 1992-09-16
ATE119593T1 (de) 1995-03-15
NO180388C (no) 1997-04-09
ES2072965T3 (es) 1995-08-01
HU9202982D0 (en) 1993-01-28
WO1991014823A1 (de) 1991-10-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee