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ES2067719T3 - BLEACHING OF WOODEN PAPER PASTA WITH ENZYMES. - Google Patents

BLEACHING OF WOODEN PAPER PASTA WITH ENZYMES.

Info

Publication number
ES2067719T3
ES2067719T3 ES90810681T ES90810681T ES2067719T3 ES 2067719 T3 ES2067719 T3 ES 2067719T3 ES 90810681 T ES90810681 T ES 90810681T ES 90810681 T ES90810681 T ES 90810681T ES 2067719 T3 ES2067719 T3 ES 2067719T3
Authority
ES
Spain
Prior art keywords
pasta
bleaching
enzymes
wooden paper
wooden
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 - Lifetime
Application number
ES90810681T
Other languages
Spanish (es)
Inventor
Beat Gysin
Theophile Griessmann
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.)
Sandoz AG
Original Assignee
Sandoz AG
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
Priority claimed from GB898920595A external-priority patent/GB8920595D0/en
Priority claimed from GB898920596A external-priority patent/GB8920596D0/en
Application filed by Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of ES2067719T3 publication Critical patent/ES2067719T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21C9/147—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
    • 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

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)
  • Enzymes And Modification Thereof (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

PASTA DE MADERA QUE PUEDE DESLIGNIFICARSE ENZIMATICAMENTE CON MUY BUENOS RESULTADOS CUANDO SE TRATA CON UNA PEROXIDASA DE LIGNINA CON AUSENCIA DE UN PEROXIDO, Y CUANDO LA ENZIMA SE MODIFICA QUIMICAMENTE EN PRIMER LUGAR, DE FORMA QUE NO SE ABSORBA EN LA PASTA DE MADERA.WOOD PASTE THAT CAN BE ENZYMATICALLY DE-LIGNIFIED WITH VERY GOOD RESULTS WHEN IT IS TREATED WITH A LIGNINE PEROXIDASE WITH THE ABSENCE OF A PEROXIDE, AND WHEN THE ENZYME CHEMICALLY MODIFIES IN THE FIRST PLACE, SO THAT IT IS NOT ABSORBED IN THE PASTA.

ES90810681T 1989-09-12 1990-09-10 BLEACHING OF WOODEN PAPER PASTA WITH ENZYMES. Expired - Lifetime ES2067719T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898920595A GB8920595D0 (en) 1989-09-12 1989-09-12 Improvements in or relating to organic compounds
GB898920596A GB8920596D0 (en) 1989-09-12 1989-09-12 Improvements in or relating to organic compounds

Publications (1)

Publication Number Publication Date
ES2067719T3 true ES2067719T3 (en) 1995-04-01

Family

ID=26295910

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90810681T Expired - Lifetime ES2067719T3 (en) 1989-09-12 1990-09-10 BLEACHING OF WOODEN PAPER PASTA WITH ENZYMES.

Country Status (10)

Country Link
EP (1) EP0418201B1 (en)
JP (1) JPH03104993A (en)
AU (1) AU646403B2 (en)
BR (1) BR9004525A (en)
CA (1) CA2025079A1 (en)
DE (1) DE69015294T2 (en)
ES (1) ES2067719T3 (en)
FI (1) FI904456A0 (en)
NO (1) NO178201C (en)
PT (1) PT95273A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0691290A (en) * 1991-10-11 1994-04-05 Kobe Steel Ltd Method for treating waste water from pulp bleaching
JP2525704B2 (en) * 1992-03-16 1996-08-21 日本製紙株式会社 Manufacturing method of laminated base paper
US5498534A (en) * 1992-03-25 1996-03-12 The United States Of America As Represented By The Secretary Of Agriculture Method of removing color from wood pulp using xylanase from streptomyces roseiscleroticus NRRL B-11019
US5369024A (en) * 1992-03-25 1994-11-29 The United States Of America As Represented By The Secretary Of Agriculture Xylanase from streptomyces roseiscleroticus NRRL-11019 for removing color from kraft wood pulps
FI970158A (en) * 1997-01-14 1998-07-15 Neste Oy New fiberboard adhesive
US6372464B1 (en) * 2000-06-19 2002-04-16 Novozymes Biotech, Inc. Polypeptides having peroxidase activity and nucleic acids encoding same
CN105082302A (en) * 2015-03-31 2015-11-25 西南林业大学 Manufacturing method of high-strength chipboard
CN113957737A (en) * 2021-11-10 2022-01-21 安徽鑫光新材料科技股份有限公司 Pollution-free pulping process by straw biological method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH0671424B2 (en) * 1986-03-18 1994-09-14 新王子製紙株式会社 Lignin degrading enzyme and method for producing the same
KR880701776A (en) * 1986-09-12 1988-11-05 예안 클라메르 한스 두돌프 하우스 Improvement methods in or associated with organic compounds
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
US4830708A (en) * 1987-11-30 1989-05-16 Pulp And Paper Research Institute Of Canada Direct biological bleaching of hardwood kraft pulp with the fungus Coriolus versicolor
ZA894239B (en) * 1988-06-08 1990-03-28 Int Paper Co Enzymatic delignification of lignocellulosic material

Also Published As

Publication number Publication date
EP0418201A3 (en) 1992-09-23
NO903924L (en) 1991-03-13
AU646403B2 (en) 1994-02-24
CA2025079A1 (en) 1991-03-13
AU6232390A (en) 1991-03-21
EP0418201B1 (en) 1994-12-21
NO903924D0 (en) 1990-09-10
NO178201B (en) 1995-10-30
NO178201C (en) 1996-02-07
BR9004525A (en) 1991-09-10
DE69015294T2 (en) 1995-05-18
PT95273A (en) 1991-05-22
EP0418201A2 (en) 1991-03-20
JPH03104993A (en) 1991-05-01
FI904456A0 (en) 1990-09-10
DE69015294D1 (en) 1995-02-02

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