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FI115221B - Avlägsnande av kåda från flis - Google Patents

Avlägsnande av kåda från flis Download PDF

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Publication number
FI115221B
FI115221B FI20022115A FI20022115A FI115221B FI 115221 B FI115221 B FI 115221B FI 20022115 A FI20022115 A FI 20022115A FI 20022115 A FI20022115 A FI 20022115A FI 115221 B FI115221 B FI 115221B
Authority
FI
Finland
Prior art keywords
chips
wood
strain
nitrogen
fresh
Prior art date
Application number
FI20022115A
Other languages
English (en)
Finnish (fi)
Other versions
FI20022115A (sv
FI20022115A0 (sv
Inventor
Anna Kalliola
Taisto Tienvieri
Assi Weber
Marjaana Moring
Annele Hatakka
Aila Mettaelae
Pia Pessala
Pekka Reponen
Original Assignee
Upm Kymmene Corp
Stora Enso Oyj
M Real Oyj
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 Upm Kymmene Corp, Stora Enso Oyj, M Real Oyj filed Critical Upm Kymmene Corp
Priority to FI20022115A priority Critical patent/FI115221B/sv
Publication of FI20022115A0 publication Critical patent/FI20022115A0/sv
Priority to PCT/FI2003/000917 priority patent/WO2004050985A1/en
Priority to AU2003283464A priority patent/AU2003283464A1/en
Publication of FI20022115A publication Critical patent/FI20022115A/sv
Application granted granted Critical
Publication of FI115221B publication Critical patent/FI115221B/sv

Links

Classifications

    • 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
    • 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
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • 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
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Mycology (AREA)
  • Microbiology (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Virology (AREA)
  • Botany (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Claims (11)

1. Förfarande för att reducera mängden träextraktionsmedel i träflis, kännetecknat av att 5. flisen tillförs kväve i en mängd av atminstone 0,07 g N/kg farsk flis (farsk vikt) och förhällandena i flisen görs lämpliga för de mikroorganismers tillväxt som naturligt förekommer i träflisen, - flisbehandlingen fullföljes frän 4 dagar tili 8 veckor. 10
2. Förfarande i enlighet med patentkrav 1, kännetecknat av att flisen ympas medelst en mikroorganismkultur, som förmär reducera mängden träextraktionsmedel i flisen.
3. Förfarande i enlighet med patentkrav 2, kännetecknat av att flisen ympas 15 medelst en mikroorganismkultur eller -ympning, som innehäller mikroorganismer av stammen DSM 15309.
4. Förfarande i enlighet med patentkrav 1, kännetecknat av att flisen inte tillförs en mikroorganismkultur eller -ymp. 20
: 5. Förfarande i enlighet med nägot av de föregäende patentkraven, kännetecknat ' av att flisens fukthalt, temperatur och lufitning görs lämpliga för mikroorganismemas tillväxt. 25
6. Förfarande i enlighet med nägot av de föregäende patentkraven, kännetecknat av flisens temperatur eftersträvas att under behandlingen upprätthällas vid 5-40 °C, . företrädesvis vid 10 - 40 °C, lämpligast vid 20 - 30 °C. * 1
• ‘ 7. Förfarande i enlighet med nägot av de föregäende patentkraven, kännetecknat ’ · · · ’ 30 av att flisbehandlingen fullföljes frän en vecka tili fyra veckor, företrädesvis frän en vecka . tili tvä veckor. ) i t
8. Förfarande i enlighet med nägot av de föregäende patentkraven, kännetecknat av att flisens fukthalt hälls mellan ca 40 och 80 %, företrädesvis mellan 50 och 70 %. 115221
9. Förfarande i enlighet med nägot av de föregäendc patentkraven, kännetecknat av att förutom kväve tillförs flisen en lämplig kolkalla, säsom stärkelse. 5
10. Förfarande i enlighet med nägot av de föregäende patentkraven, kännetecknat av att kvävet tillförs i form av ammonium, säsom ammoniumsulfat, ammoniumnitrat eller ammoniumklorid.
11. Mikroorganismkultur eller -ymp, kännetecknad av att den innehäller mikro-10 organismer av stammen DSM 15309. 1
FI20022115A 2002-11-29 2002-11-29 Avlägsnande av kåda från flis FI115221B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20022115A FI115221B (sv) 2002-11-29 2002-11-29 Avlägsnande av kåda från flis
PCT/FI2003/000917 WO2004050985A1 (en) 2002-11-29 2003-12-01 Removal of pitch from wood chips
AU2003283464A AU2003283464A1 (en) 2002-11-29 2003-12-01 Removal of pitch from wood chips

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20022115A FI115221B (sv) 2002-11-29 2002-11-29 Avlägsnande av kåda från flis
FI20022115 2002-11-29

Publications (3)

Publication Number Publication Date
FI20022115A0 FI20022115A0 (sv) 2002-11-29
FI20022115A FI20022115A (sv) 2004-05-30
FI115221B true FI115221B (sv) 2005-03-31

Family

ID=8565010

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20022115A FI115221B (sv) 2002-11-29 2002-11-29 Avlägsnande av kåda från flis

Country Status (3)

Country Link
AU (1) AU2003283464A1 (sv)
FI (1) FI115221B (sv)
WO (1) WO2004050985A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007065112A2 (en) * 2005-11-29 2007-06-07 Prisum Coatings Canada, Inc. Fire-resistant ground cover and fire-resistant coatings for biomass, wood and organic mulches

Family Cites Families (5)

* 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
MY129967A (en) * 1990-07-31 2007-05-31 Clariant Finance Bvi Ltd New fungi for pitch reduction their production, their preparation and use
EP0689625B1 (en) * 1993-03-19 1998-01-07 Clariant Finance (BVI) Limited Pitch degradation with white rot fungi
US5472874A (en) * 1994-05-20 1995-12-05 Sandoz Ltd. Pitch degradation with white rot fungus
US5711945A (en) * 1995-05-11 1998-01-27 Regents Of The University Of Minnesota Pitch degradation with Pseudomonas fluorescens

Also Published As

Publication number Publication date
AU2003283464A1 (en) 2004-06-23
FI20022115A (sv) 2004-05-30
AU2003283464A8 (en) 2004-06-23
FI20022115A0 (sv) 2002-11-29
WO2004050985A1 (en) 2004-06-17

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