DE69014937T2 - Verfahren zur Verminderung des Pechgehaltes im Papierholz. - Google Patents

Verfahren zur Verminderung des Pechgehaltes im Papierholz.

Info

Publication number
DE69014937T2
DE69014937T2 DE69014937T DE69014937T DE69014937T2 DE 69014937 T2 DE69014937 T2 DE 69014937T2 DE 69014937 T DE69014937 T DE 69014937T DE 69014937 T DE69014937 T DE 69014937T DE 69014937 T2 DE69014937 T2 DE 69014937T2
Authority
DE
Germany
Prior art keywords
reducing
paperwood
pitch content
wood
inoculum
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
DE69014937T
Other languages
English (en)
Other versions
DE69014937D1 (de
Inventor
Robert A Blanchette
Roberta Lee Farrell
Yitzak Hadar
Johnnie E Merritt
Robert A Snyder
Philip A Wendler
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.)
Clariant Finance BVI Ltd
Original Assignee
Sandoz AG
Sandoz Patent 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 Sandoz AG, Sandoz Patent GmbH filed Critical Sandoz AG
Publication of DE69014937D1 publication Critical patent/DE69014937D1/de
Application granted granted Critical
Publication of DE69014937T2 publication Critical patent/DE69014937T2/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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/14—Fungi; Culture media therefor
    • C12N1/145—Fungal isolates
    • 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00—Microorganisms ; Processes using microorganisms
    • C12R2001/645—Fungi ; Processes using fungi
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00—Microorganisms ; Processes using microorganisms
    • C12R2001/645—Fungi ; Processes using fungi
    • C12R2001/77—Fusarium

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Microbiology (AREA)
  • Organic Chemistry (AREA)
  • Biochemistry (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Mycology (AREA)
  • Biomedical Technology (AREA)
  • Virology (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Paper (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Control By Computers (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
DE69014937T 1989-02-13 1990-02-09 Verfahren zur Verminderung des Pechgehaltes im Papierholz. Expired - Fee Related DE69014937T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31081489A 1989-02-13 1989-02-13

Publications (2)

Publication Number Publication Date
DE69014937D1 DE69014937D1 (de) 1995-01-26
DE69014937T2 true DE69014937T2 (de) 1995-05-18

Family

ID=23204228

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69014937T Expired - Fee Related DE69014937T2 (de) 1989-02-13 1990-02-09 Verfahren zur Verminderung des Pechgehaltes im Papierholz.

Country Status (11)

Country Link
EP (1) EP0387187B1 (de)
JP (1) JP2587120B2 (de)
AT (1) ATE115662T1 (de)
AU (1) AU626423B2 (de)
CA (1) CA2009622C (de)
DE (1) DE69014937T2 (de)
ES (1) ES2066182T3 (de)
FI (1) FI100809B (de)
NO (1) NO178407C (de)
PT (1) PT93119B (de)
ZA (1) ZA901084B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY129967A (en) * 1990-07-31 2007-05-31 Clariant Finance Bvi Ltd New fungi for pitch reduction their production, their preparation and use
DE4319496A1 (de) * 1992-06-17 1994-04-07 Sandoz Ag Pilze zur Reduktion des Harzanteils und deren Gewinnung
US5705383A (en) * 1993-03-19 1998-01-06 Clariant Finance (Bvi) Limited Pitch and lignin degradation with white rot fungi
EP0689625B1 (de) * 1993-03-19 1998-01-07 Clariant Finance (BVI) Limited Harzabbau mittels weissfäulepilzen
US5472874A (en) * 1994-05-20 1995-12-05 Sandoz Ltd. Pitch degradation with white rot fungus
US5532164A (en) * 1994-05-20 1996-07-02 Sandoz Ltd. Biological control for wood products
BR9610761A (pt) * 1995-09-29 1999-07-13 Clariant Finance Bvi Ltd Método para aperfeiçoar a eficácia de processos químicos de polpação mediante pré-tratamento com fungos de decomposição brancos

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1189604A (en) * 1965-07-20 1970-04-29 Mo Och Domsjoe Ab A process for Removing Resin Constituents from Wood Chips
JPS4992301A (de) * 1972-12-13 1974-09-03
JPS58180692A (ja) * 1982-04-10 1983-10-22 高橋　勝昭 パルプ材の脱リグニン方法
NZ216726A (en) * 1985-07-15 1990-08-28 Repligen Corp Use of lignin-degrading enzymes from phanerochaete chrysosporium for treatment of wood pulp and e1 effluent
CH667673A5 (en) * 1988-01-22 1988-10-31 Eidgenoess Tech Hochschule Prodn. of fermentation broth with lignolytic activity - by growing fungi under nutrient limited conditions in stirred reactor and in presence of cell wall stabiliser
EP0373107B1 (de) * 1988-11-23 1994-03-23 Sandoz Ag Benutzung von Enzymen von Aureobasidium Pullulans für das Bleichen von Zellstoff
ZA904441B (en) * 1989-06-22 1991-03-27 Int Paper Co Enzymatic delignification of lignocellulosic material

Also Published As

Publication number Publication date
JP2587120B2 (ja) 1997-03-05
CA2009622A1 (en) 1990-08-13
EP0387187B1 (de) 1994-12-14
NO900666D0 (no) 1990-02-12
PT93119A (pt) 1990-08-31
NO178407C (no) 1996-03-20
EP0387187A3 (de) 1992-03-04
JPH02277894A (ja) 1990-11-14
AU5690790A (en) 1991-12-12
AU626423B2 (en) 1992-07-30
NO178407B (no) 1995-12-11
ZA901084B (en) 1991-10-30
PT93119B (pt) 1996-03-29
CA2009622C (en) 1999-11-30
ATE115662T1 (de) 1994-12-15
DE69014937D1 (de) 1995-01-26
FI900679A0 (fi) 1990-02-12
NO900666L (no) 1990-08-14
ES2066182T3 (es) 1995-03-01
FI100809B (fi) 1998-02-27
EP0387187A2 (de) 1990-09-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CLARIANT FINANCE (BVI) LTD., TORTOLA, VG

8328 Change in the person/name/address of the agent

Free format text: SPOTT WEINMILLER & PARTNER, 80336 MUENCHEN

8339 Ceased/non-payment of the annual fee