ATE111540T1 - Hydrolyse von harz in zellstoff. - Google Patents

Hydrolyse von harz in zellstoff.

Info

Publication number
ATE111540T1
ATE111540T1 AT91918612T AT91918612T ATE111540T1 AT E111540 T1 ATE111540 T1 AT E111540T1 AT 91918612 T AT91918612 T AT 91918612T AT 91918612 T AT91918612 T AT 91918612T AT E111540 T1 ATE111540 T1 AT E111540T1
Authority
AT
Austria
Prior art keywords
pct
resin
pulp
sec
commonly used
Prior art date
Application number
AT91918612T
Other languages
English (en)
Inventor
Lars Saaby Pedersen
Original Assignee
Novo Nordisk As
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 Novo Nordisk As filed Critical Novo Nordisk As
Application granted granted Critical
Publication of ATE111540T1 publication Critical patent/ATE111540T1/de

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
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Saccharide Compounds (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Catalysts (AREA)
  • Inorganic Insulating Materials (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
AT91918612T 1990-10-17 1991-10-17 Hydrolyse von harz in zellstoff. ATE111540T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK249990A DK249990D0 (da) 1990-10-17 1990-10-17 Fremgangsmaade til enzymatisk pulpbehandling

Publications (1)

Publication Number Publication Date
ATE111540T1 true ATE111540T1 (de) 1994-09-15

Family

ID=8112825

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91918612T ATE111540T1 (de) 1990-10-17 1991-10-17 Hydrolyse von harz in zellstoff.

Country Status (12)

Country Link
US (1) US5338403A (de)
EP (1) EP0553196B1 (de)
JP (1) JPH06501062A (de)
AT (1) ATE111540T1 (de)
BR (1) BR9107002A (de)
CA (1) CA2094296A1 (de)
DE (1) DE69104056T2 (de)
DK (1) DK249990D0 (de)
FI (1) FI931748A0 (de)
NO (1) NO180387C (de)
NZ (1) NZ240241A (de)
WO (1) WO1992007138A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5709943A (en) * 1995-05-04 1998-01-20 Minnesota Mining And Manufacturing Company Biological adsorption supports
FI990501A (fi) * 1999-03-08 2000-09-09 Valtion Teknillinen Uusi entsymaattinen prosessi paperinvalmistuksen pihkaongelmien kontro lloimiseksi
AU2001254620A1 (en) 2000-04-28 2001-11-12 Novozymes A/S Lipolytic enzyme variant
ES2323947T3 (es) 2001-01-10 2009-07-28 Novozymes A/S Variante de enzima lipolitica.
US20030124710A1 (en) * 2001-10-23 2003-07-03 Novozymes A/S Oxidizing enzymes in the manufacture of paper materials
FI20065121L (fi) * 2006-02-17 2007-08-18 Valtion Teknillinen Menetelmä selluloosapohjaisten tekstiilimateriaalien esikäsittelemiseksi
EP2147149B1 (de) * 2007-05-16 2017-03-22 Buckman Laboratories International, Inc. Verfahren zur kontrolle organischer schadstoffe in fasern
US20100269989A1 (en) * 2009-04-28 2010-10-28 Enzymatic Deinking Technologies, L.L.C. Use of 1,3-selective lipases for pitch control in pulp and paper processes
US9663899B2 (en) * 2015-08-26 2017-05-30 Solenis Technologies, L.P. Method for making lignocellulosic paper and paper product

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486969A (en) * 1965-07-20 1969-12-30 Mo Och Domsjoe Ab Process for the treating of wood chips with fungi to enhance enzymatic hydrolysis of the resinous components
SE8405128L (sv) * 1984-10-15 1986-04-16 Kamyr Ab Behandling av hogutbytesmassa
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
JPH02160997A (ja) * 1988-12-13 1990-06-20 Jujo Paper Co Ltd ピッチトラブル防止法
NZ235983A (en) * 1989-11-08 1993-01-27 Novo Nordisk As Process for hydrolysis of resins in lignocellulosic pulp using enzymes simultaneously with peroxy bleaching; ctmp fluff-pulp and absorbent articles produced therefrom

Also Published As

Publication number Publication date
CA2094296A1 (en) 1992-04-18
US5338403A (en) 1994-08-16
JPH06501062A (ja) 1994-01-27
NO180387B (no) 1996-12-30
DK249990D0 (da) 1990-10-17
NO931218D0 (no) 1993-03-31
DE69104056T2 (de) 1995-02-02
NO931218L (no) 1993-04-13
FI931748A (fi) 1993-04-16
EP0553196B1 (de) 1994-09-14
BR9107002A (pt) 1993-09-08
DE69104056D1 (de) 1994-10-20
NZ240241A (en) 1994-04-27
WO1992007138A1 (en) 1992-04-30
EP0553196A1 (de) 1993-08-04
NO180387C (no) 1997-04-09
FI931748A0 (fi) 1993-04-16

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee