FI911410A - Process for reducing resin difficulties in mechanical pulp - Google Patents

Process for reducing resin difficulties in mechanical pulp Download PDF

Info

Publication number
FI911410A
FI911410A FI911410A FI911410A FI911410A FI 911410 A FI911410 A FI 911410A FI 911410 A FI911410 A FI 911410A FI 911410 A FI911410 A FI 911410A FI 911410 A FI911410 A FI 911410A
Authority
FI
Finland
Prior art keywords
mechanical pulp
reducing resin
pulp
difficulties
resin difficulties
Prior art date
Application number
FI911410A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI911410A0 (en
FI93230B (en
FI93230C (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
Publication of FI911410A0 publication Critical patent/FI911410A0/en
Priority to FI911410A priority Critical patent/FI93230C/en
Priority to NZ241976A priority patent/NZ241976A/en
Priority to AT92906287T priority patent/ATE138130T1/en
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 AU14104/92A priority patent/AU660966B2/en
Priority to ES92906287T priority patent/ES2086732T3/en
Priority to DK92906287.5T priority patent/DK0576470T3/en
Priority to JP4505526A priority patent/JP2588465B2/en
Priority to DE69210811T priority patent/DE69210811T2/en
Publication of FI911410A publication Critical patent/FI911410A/en
Publication of FI93230B publication Critical patent/FI93230B/en
Application granted granted Critical
Publication of FI93230C publication Critical patent/FI93230C/en

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)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Working-Up Tar And Pitch (AREA)

Abstract

The invention relates to a method for reducing the pitch trouble of mechanical pulp and/or papermaking pulp containing mechanical pulp by treating the pulp or white water with a cellulase/hemicellulase enzyme preparation.
FI911410A 1991-03-22 1991-03-22 Method for reducing resin difficulties in mechanical pulp FI93230C (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FI911410A FI93230C (en) 1991-03-22 1991-03-22 Method for reducing resin difficulties in mechanical pulp
NZ241976A NZ241976A (en) 1991-03-22 1992-03-16 Use of (hemi)cellulase enzymes for reducing pitch trouble in mechanical
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
AT92906287T ATE138130T1 (en) 1991-03-22 1992-03-19 METHOD FOR REDUCING RESIN PROBLEMS IN MECHANICAL WOOD PURPOSE
ES92906287T ES2086732T3 (en) 1991-03-22 1992-03-19 A METHOD TO REDUCE THE PROBLEM OF THE BREA IN THE MECHANICAL PASTA.
DK92906287.5T DK0576470T3 (en) 1991-03-22 1992-03-19 Process for reducing pitch problems in mechanical wood pulp
JP4505526A JP2588465B2 (en) 1991-03-22 1992-03-19 Method for reducing pitch disturbance in mechanical pulp
DE69210811T DE69210811T2 (en) 1991-03-22 1992-03-19 METHOD FOR REDUCING RESIN PROBLEMS IN MECHANICAL WOOD FABRIC

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI911410 1991-03-22
FI911410A FI93230C (en) 1991-03-22 1991-03-22 Method for reducing resin difficulties in mechanical pulp

Publications (4)

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

Family

ID=8532172

Family Applications (1)

Application Number Title Priority Date Filing Date
FI911410A FI93230C (en) 1991-03-22 1991-03-22 Method for reducing resin difficulties in mechanical pulp

Country Status (11)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995018219A1 (en) * 1993-12-24 1995-07-06 Gist-Brocades N.V. Alkali-tolerant xylanases
US5961735A (en) * 1995-06-21 1999-10-05 North Carolina State University Method of cleaning papermaking felts with enzymes
FI105833B (en) * 1998-07-13 2000-10-13 Valtion Teknillinen A method for concentrating process water LK substances
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 (en) * 2005-07-06 2008-10-01 Consejo Superior Investigaciones Cientificas ENZYME-MEDIATOR SYSTEM FOR THE CONTROL OF PITCH DEPOSITS IN THE MANUFACTURE OF PASTA AND PAPER.
JP6531604B2 (en) * 2015-10-06 2019-06-19 王子ホールディングス株式会社 Composition comprising wood fiber

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604198B1 (en) * 1986-09-22 1989-07-07 Du Pin Cellulose PROCESS FOR TREATING A PAPER PULP WITH AN ENZYMATIC SOLUTION.
DE3636208A1 (en) * 1986-10-24 1988-05-05 Call Hans Peter METHOD FOR DELIGNIFYING AND WHICH BLEACHING LIGNICELLULOSE-CONTAINING OR LIGNINAL MATERIAL OR LIGNIN BY ENZYMATIC TREATMENT
JPH02160997A (en) * 1988-12-13 1990-06-20 Jujo Paper Co Ltd Method for preventing trouble by pitch
FI85041C (en) * 1989-01-16 1992-02-25 Enso Gutzeit Oy FOERFARANDE FOER ATT BRINGA PAPPERSMASSA PAO EN PAPPERSMASKINS VIRA.
FI92414B (en) * 1989-11-27 1994-07-29 Enso Gutzeit Oy Process for mass production

Also Published As

Publication number Publication date
JPH06506021A (en) 1994-07-07
WO1992016687A1 (en) 1992-10-01
DE69210811T2 (en) 1996-11-28
EP0576470A1 (en) 1994-01-05
CA2105159A1 (en) 1992-09-23
NZ241976A (en) 1994-02-25
JP2588465B2 (en) 1997-03-05
AU660966B2 (en) 1995-07-13
EP0576470B1 (en) 1996-05-15
AU1410492A (en) 1992-10-21
DK0576470T3 (en) 1996-06-03
ES2086732T3 (en) 1996-07-01
FI911410A0 (en) 1991-03-22
FI93230B (en) 1994-11-30
FI93230C (en) 1995-03-10
ATE138130T1 (en) 1996-06-15
DE69210811D1 (en) 1996-06-20

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