FI911410A0 - Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi - Google Patents

Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi

Info

Publication number
FI911410A0
FI911410A0 FI911410A FI911410A FI911410A0 FI 911410 A0 FI911410 A0 FI 911410A0 FI 911410 A FI911410 A FI 911410A FI 911410 A FI911410 A FI 911410A FI 911410 A0 FI911410 A0 FI 911410A0
Authority
FI
Finland
Prior art keywords
mechanical pulp
reducing resin
pulp
difficulties
resin difficulties
Prior art date
Application number
FI911410A
Other languages
English (en)
Swedish (sv)
Other versions
FI93230B (fi
FI911410A (fi
FI93230C (fi
Inventor
Olli Jokinen
Christine Hagstroem-Naesi
Original Assignee
Cultor Oy
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 Cultor Oy filed Critical Cultor Oy
Publication of FI911410A0 publication Critical patent/FI911410A0/fi
Priority to FI911410A priority Critical patent/FI93230C/fi
Priority to NZ241976A priority patent/NZ241976A/en
Priority to AU14104/92A priority patent/AU660966B2/en
Priority to AT92906287T priority patent/ATE138130T1/de
Priority to JP4505526A priority patent/JP2588465B2/ja
Priority to DE69210811T priority patent/DE69210811T2/de
Priority to ES92906287T priority patent/ES2086732T3/es
Priority to PCT/FI1992/000076 priority patent/WO1992016687A1/en
Priority to CA002105159A priority patent/CA2105159A1/en
Priority to EP92906287A priority patent/EP0576470B1/en
Priority to DK92906287.5T priority patent/DK0576470T3/da
Publication of FI911410A publication Critical patent/FI911410A/fi
Publication of FI93230B publication Critical patent/FI93230B/fi
Application granted granted Critical
Publication of FI93230C publication Critical patent/FI93230C/fi

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)
FI911410A 1991-03-22 1991-03-22 Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi FI93230C (fi)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FI911410A FI93230C (fi) 1991-03-22 1991-03-22 Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi
NZ241976A NZ241976A (en) 1991-03-22 1992-03-16 Use of (hemi)cellulase enzymes for reducing pitch trouble in mechanical
ES92906287T ES2086732T3 (es) 1991-03-22 1992-03-19 Un metodo para reducir el problema de la brea en la pasta mecanica.
AT92906287T ATE138130T1 (de) 1991-03-22 1992-03-19 Verfahren zur verminderung der harzprobleme im mechanischen holzstoff
JP4505526A JP2588465B2 (ja) 1991-03-22 1992-03-19 メカニカルパルプにおけるピッチ障害を低減させる方法
DE69210811T DE69210811T2 (de) 1991-03-22 1992-03-19 Verfahren zur verminderung der harzprobleme im mechanischen holzstoff
AU14104/92A AU660966B2 (en) 1991-03-22 1992-03-19 A method for reducing pitch trouble in mechanical pulp
PCT/FI1992/000076 WO1992016687A1 (en) 1991-03-22 1992-03-19 A method for reducing pitch trouble in mechanical pulp
CA002105159A CA2105159A1 (en) 1991-03-22 1992-03-19 A method for reducing pitch trouble in mechanical pulp
EP92906287A EP0576470B1 (en) 1991-03-22 1992-03-19 A method for reducing pitch trouble in mechanical pulp
DK92906287.5T DK0576470T3 (da) 1991-03-22 1992-03-19 Fremgangsmåde til reduktion af begproblemer i mekanisk træmasse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI911410 1991-03-22
FI911410A FI93230C (fi) 1991-03-22 1991-03-22 Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi

Publications (4)

Publication Number Publication Date
FI911410A0 true FI911410A0 (fi) 1991-03-22
FI911410A FI911410A (fi) 1992-10-05
FI93230B FI93230B (fi) 1994-11-30
FI93230C FI93230C (fi) 1995-03-10

Family

ID=8532172

Family Applications (1)

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

Country Status (11)

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

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
ATE138130T1 (de) 1996-06-15
AU1410492A (en) 1992-10-21
JP2588465B2 (ja) 1997-03-05
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

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Legal Events

Date Code Title Description
BB Publication of examined application
MA Patent expired