CA2078345A1 - Procede de blanchiment enzymatique des celluloses - Google Patents

Procede de blanchiment enzymatique des celluloses

Info

Publication number
CA2078345A1
CA2078345A1 CA002078345A CA2078345A CA2078345A1 CA 2078345 A1 CA2078345 A1 CA 2078345A1 CA 002078345 A CA002078345 A CA 002078345A CA 2078345 A CA2078345 A CA 2078345A CA 2078345 A1 CA2078345 A1 CA 2078345A1
Authority
CA
Canada
Prior art keywords
process according
aqueous solution
added
bleaching
solution containing
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.)
Abandoned
Application number
CA002078345A
Other languages
English (en)
Inventor
Hans-Peter 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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2078345A1 publication Critical patent/CA2078345A1/fr
Abandoned 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)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Detergent Compositions (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)
CA002078345A 1990-03-20 1991-03-19 Procede de blanchiment enzymatique des celluloses Abandoned CA2078345A1 (fr)

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
DEP4008893.6 1990-03-20

Publications (1)

Publication Number Publication Date
CA2078345A1 true CA2078345A1 (fr) 1991-09-21

Family

ID=6402620

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002078345A Abandoned CA2078345A1 (fr) 1990-03-20 1991-03-19 Procede de blanchiment enzymatique des celluloses

Country Status (13)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6660128B1 (en) 1998-04-16 2003-12-09 Pulp And Paper Research Institute Of Canada Oxidase process for pulp

Families Citing this family (8)

* 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 (fr) * 1993-02-25 2000-05-23 Michael G. Paice Methode de blanchiment sans chlore de la pate kraft
ATE169699T1 (de) * 1993-06-16 1998-08-15 Lignozym Gmbh Verfahren zur veränderung, abbau oder bleichen von lignin, ligninhaltigen materialien oder kohle
BE1007272A3 (fr) * 1993-07-15 1995-05-09 Solvay Procede pour le blanchiment d'une pate a papier.
EP0652321B1 (fr) * 1993-11-04 1998-01-21 Morton International, Inc. Blanchiment de pâte à papier chimique
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
EP1025305B1 (fr) * 1997-08-14 2003-11-19 Takashi Watanabe Procede chimique de depolymerisation de la lignine

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6660128B1 (en) 1998-04-16 2003-12-09 Pulp And Paper Research Institute Of Canada Oxidase process for pulp

Also Published As

Publication number Publication date
HU9202982D0 (en) 1993-01-28
BR9106411A (pt) 1993-05-04
JPH05505857A (ja) 1993-08-26
EP0447673A1 (fr) 1991-09-25
AU641494B2 (en) 1993-09-23
DE4008893A1 (de) 1991-09-26
FI924169A0 (fi) 1992-09-17
NO923601L (no) 1992-09-16
AU7543291A (en) 1991-10-21
HUT64119A (en) 1993-11-29
EP0447673B1 (fr) 1995-03-08
NO180388B (no) 1996-12-30
DE4008893C2 (fr) 1992-09-03
ES2072965T3 (es) 1995-08-01
DK0447673T3 (da) 1995-07-24
FI924169A (fi) 1992-09-17
ATE119593T1 (de) 1995-03-15
DE59008655D1 (de) 1995-04-13
NO923601D0 (no) 1992-09-16
WO1991014823A1 (fr) 1991-10-03
NO180388C (no) 1997-04-09

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Legal Events

Date Code Title Description
FZDE Discontinued