ATE138130T1 - METHOD FOR REDUCING RESIN PROBLEMS IN MECHANICAL WOOD PURPOSE - Google Patents

METHOD FOR REDUCING RESIN PROBLEMS IN MECHANICAL WOOD PURPOSE

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)
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/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.
AT92906287T 1991-03-22 1992-03-19 METHOD FOR REDUCING RESIN PROBLEMS IN MECHANICAL WOOD PURPOSE ATE138130T1 (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=8532172

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92906287T ATE138130T1 (en) 1991-03-22 1992-03-19 METHOD FOR REDUCING RESIN PROBLEMS IN MECHANICAL WOOD PURPOSE

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
DE69435308D1 (en) * 1993-12-24 2010-09-23 Dsm Ip Assets Bv ALKALITOLERANTE XYLANASE
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 Method of bringing pulp onto a paper machine's wire
FI92414B (en) * 1989-11-27 1994-07-29 Enso Gutzeit Oy Method for making pulp

Also Published As

Publication number Publication date
JP2588465B2 (en) 1997-03-05
FI911410L (en) 1992-10-05
DE69210811T2 (en) 1996-11-28
ES2086732T3 (en) 1996-07-01
NZ241976A (en) 1994-02-25
FI93230B (en) 1994-11-30
WO1992016687A1 (en) 1992-10-01
FI93230C (en) 1995-03-10
FI911410A0 (en) 1991-03-22
EP0576470A1 (en) 1994-01-05
EP0576470B1 (en) 1996-05-15
DK0576470T3 (en) 1996-06-03
JPH06506021A (en) 1994-07-07
AU660966B2 (en) 1995-07-13
AU1410492A (en) 1992-10-21
CA2105159A1 (en) 1992-09-23
DE69210811D1 (en) 1996-06-20

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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