ATE138130T1 - Verfahren zur verminderung der harzprobleme im mechanischen holzstoff - Google Patents

Verfahren zur verminderung der harzprobleme im mechanischen holzstoff

Info

Publication number
ATE138130T1
ATE138130T1 AT92906287T AT92906287T ATE138130T1 AT E138130 T1 ATE138130 T1 AT E138130T1 AT 92906287 T AT92906287 T AT 92906287T AT 92906287 T AT92906287 T AT 92906287T AT E138130 T1 ATE138130 T1 AT E138130T1
Authority
AT
Austria
Prior art keywords
mechanical wood
reducing resin
pulp
resin problems
wood purpose
Prior art date
Application number
AT92906287T
Other languages
German (de)
English (en)
Inventor
Olli Jokinen
Christine Hagstroem-Naesi
Original Assignee
Genencor Int Europ
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 Genencor Int Europ filed Critical Genencor Int Europ
Application granted granted Critical
Publication of ATE138130T1 publication Critical patent/ATE138130T1/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
    • 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
    • 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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Working-Up Tar And Pitch (AREA)
AT92906287T 1991-03-22 1992-03-19 Verfahren zur verminderung der harzprobleme im mechanischen holzstoff ATE138130T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI911410A FI93230C (fi) 1991-03-22 1991-03-22 Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi

Publications (1)

Publication Number Publication Date
ATE138130T1 true ATE138130T1 (de) 1996-06-15

Family

ID=8532172

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92906287T ATE138130T1 (de) 1991-03-22 1992-03-19 Verfahren zur verminderung der harzprobleme im mechanischen holzstoff

Country Status (11)

Country Link
EP (1) EP0576470B1 (es)
JP (1) JP2588465B2 (es)
AT (1) ATE138130T1 (es)
AU (1) AU660966B2 (es)
CA (1) CA2105159A1 (es)
DE (1) DE69210811T2 (es)
DK (1) DK0576470T3 (es)
ES (1) ES2086732T3 (es)
FI (1) FI93230C (es)
NZ (1) NZ241976A (es)
WO (1) WO1992016687A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6140095A (en) * 1993-12-24 2000-10-31 Dsm N.V. Alkalitolerant xylanases
US5961735A (en) * 1995-06-21 1999-10-05 North Carolina State University Method of cleaning papermaking felts with enzymes
FI105833B (fi) 1998-07-13 2000-10-13 Valtion Teknillinen Menetelmä prosessivesien LK-aineiden konsentroimiseksi
US6579841B1 (en) 1998-12-18 2003-06-17 Genencor International, Inc. Variant EGIII-like cellulase compositions
US6268328B1 (en) 1998-12-18 2001-07-31 Genencor International, Inc. Variant EGIII-like cellulase compositions
US7977051B2 (en) 1999-04-10 2011-07-12 Danisco Us Inc. EGIII-like enzymes, DNA encoding such enzymes and methods for producing such enzymes
ES2282020B1 (es) * 2005-07-06 2008-10-01 Consejo Superior Investigaciones Cientificas Sistema enzima-mediador para el control de los depositos de pitch en la fabricacion de pasta y papel.
JP6531604B2 (ja) * 2015-10-06 2019-06-19 王子ホールディングス株式会社 木質繊維を含む組成物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604198B1 (fr) * 1986-09-22 1989-07-07 Du Pin Cellulose Procede de traitement d'une pate papetiere par une solution enzymatique.
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
FI85041C (fi) * 1989-01-16 1992-02-25 Enso Gutzeit Oy Foerfarande foer att bringa pappersmassa pao en pappersmaskins vira.
FI92414B (fi) * 1989-11-27 1994-07-29 Enso Gutzeit Oy Menetelmä massan valmistamiseksi

Also Published As

Publication number Publication date
EP0576470B1 (en) 1996-05-15
WO1992016687A1 (en) 1992-10-01
ES2086732T3 (es) 1996-07-01
NZ241976A (en) 1994-02-25
EP0576470A1 (en) 1994-01-05
FI93230B (fi) 1994-11-30
FI911410A (fi) 1992-10-05
AU660966B2 (en) 1995-07-13
DE69210811T2 (de) 1996-11-28
AU1410492A (en) 1992-10-21
JP2588465B2 (ja) 1997-03-05
FI911410A0 (fi) 1991-03-22
CA2105159A1 (en) 1992-09-23
JPH06506021A (ja) 1994-07-07
FI93230C (fi) 1995-03-10
DE69210811D1 (de) 1996-06-20
DK0576470T3 (da) 1996-06-03

Similar Documents

Publication Publication Date Title
DE3782602D1 (de) Verfahren zur behandlung einer papierpulpe mit einer enzymatischen loesung.
DE3784515D1 (de) Verfahren zur herstellung von zellstoff aus ligninhaltigen rohstoffen.
ATE138130T1 (de) Verfahren zur verminderung der harzprobleme im mechanischen holzstoff
FI951247A0 (fi) Menetelmä jäteveden puhdistamiseksi ja epäpuhtauksien talteenottamiseksi siitä
ES8605067A1 (es) Un metodo de fabricar papel
ATE114004T1 (de) Ein verfahren zur stoffaufbereitung unter verwendung von cellulase.
FI945695A0 (fi) Menetelmä sellukuitujen valmistamiseksi, joiden fibrilloitumistaipumus on vähentynyt
SE9201441L (sv) Foerfarande foer anvaendning av enzymer vid framstaellning och blekning av pappersmassa samt anordning foer anvaendning av densamma
ATA92690A (de) Verfahren zur herstellung einer loesung von cellulose in n-methylmorpholin-n-oxid und wasser
FI943719A (fi) Puumassan sekoituslaitteen sisältävä happidelignifikaatiomenetelmä
NZ235754A (en) Bleaching wood pulp with chlorine dioxide first at ph of 5 to 10 then at ph of 1.9 to 4.2
DE3676782D1 (de) Kraft-kaschierkarton und verfahren zur herstellung von kraft-kaschierkarton aus gebleichtem oder ungebleichtem kraftfaserstoff, tmp-faserstoff, scmp- oder sulfit-faserstoff.
DE68909231D1 (de) Verfahren zur herstellung der mechanischen oder chemiemechanischen papierpulpe.
NO911340L (no) Fremgangsmaate for behandling av returvann ment for fortynning av en papirmasse.
FI961930A0 (fi) Menetelmä ja laitteisto alkalisen sellunvalmistuspMenetelmä ja laitteisto alkalisen sellunvalmistusprosessin tehostamiseksi rosessin tehostamiseksi
ATE245685T1 (de) Verfahren zur entsäuerung von bedrucktem, cellulosehaltigem material
FI941615A (fi) Menetelmä lignoselluloosapitoisten materiaalien, etenkin selluloosamassojen entsymaattiseksi käsittelemiseksi
DE3674866D1 (de) Verfahren zur delignifizierung von zellulosematerialien.
BR9102464A (pt) Aperfeicoamento em processo de deslignificacao com oxigenio de polpa lignocelulosica
ATE33998T1 (de) Verfahren zur delignifizierung von sulfatzellstoffen.
ATE207153T1 (de) Verfahren zur herstellung von gebleichten spezialzellstoffen
FI970398A (fi) Menetelmä paperin valmistamiseksi
KR840003469A (ko) 도자기 표면에 생무늬 현출방법
IT1287652B1 (it) Carta e affini con piume di volatili
BR9003954A (pt) Processo de pre-branqueamento ou deslignificacao com oxigenio de polpa kraft

Legal Events

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