AU660966B2 - A method for reducing pitch trouble in mechanical pulp - Google Patents

A method for reducing pitch trouble in mechanical pulp Download PDF

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Publication number
AU660966B2
AU660966B2 AU14104/92A AU1410492A AU660966B2 AU 660966 B2 AU660966 B2 AU 660966B2 AU 14104/92 A AU14104/92 A AU 14104/92A AU 1410492 A AU1410492 A AU 1410492A AU 660966 B2 AU660966 B2 AU 660966B2
Authority
AU
Australia
Prior art keywords
pulp
activity
enzyme
enzyme treatment
units
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU14104/92A
Other languages
English (en)
Other versions
AU1410492A (en
Inventor
Christine Hagstrom-Nasi
Olli Jokinen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Genencor International Europe Oy
Original Assignee
Genencor International Europe 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 Genencor International Europe Oy filed Critical Genencor International Europe Oy
Publication of AU1410492A publication Critical patent/AU1410492A/en
Application granted granted Critical
Publication of AU660966B2 publication Critical patent/AU660966B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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)
AU14104/92A 1991-03-22 1992-03-19 A method for reducing pitch trouble in mechanical pulp Ceased AU660966B2 (en)

Applications Claiming Priority (3)

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
PCT/FI1992/000076 WO1992016687A1 (en) 1991-03-22 1992-03-19 A method for reducing pitch trouble in mechanical pulp

Publications (2)

Publication Number Publication Date
AU1410492A AU1410492A (en) 1992-10-21
AU660966B2 true AU660966B2 (en) 1995-07-13

Family

ID=8532172

Family Applications (1)

Application Number Title Priority Date Filing Date
AU14104/92A Ceased AU660966B2 (en) 1991-03-22 1992-03-19 A method for reducing pitch trouble in mechanical pulp

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
EP0686193B1 (en) * 1993-12-24 2010-08-11 DSM IP Assets B.V. Alkali-tolerant 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
US6268328B1 (en) 1998-12-18 2001-07-31 Genencor International, Inc. Variant EGIII-like cellulase compositions
US6579841B1 (en) 1998-12-18 2003-06-17 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923565A (en) * 1986-09-22 1990-05-08 La Cellulose Du Pin Method for treating a paper pulp with an enzyme solution
AU605215B2 (en) * 1986-10-24 1991-01-10 Hans-Peter Call Process for producing cellulose from lignin-containing raw materials
AU622738B2 (en) * 1988-12-13 1992-04-16 Nippon Paper Industries Co. Ltd. Method for avoiding pitch troubles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923565A (en) * 1986-09-22 1990-05-08 La Cellulose Du Pin Method for treating a paper pulp with an enzyme solution
AU605215B2 (en) * 1986-10-24 1991-01-10 Hans-Peter Call Process for producing cellulose from lignin-containing raw materials
AU622738B2 (en) * 1988-12-13 1992-04-16 Nippon Paper Industries Co. Ltd. Method for avoiding pitch troubles

Also Published As

Publication number Publication date
AU1410492A (en) 1992-10-21
JP2588465B2 (ja) 1997-03-05
CA2105159A1 (en) 1992-09-23
EP0576470B1 (en) 1996-05-15
DK0576470T3 (da) 1996-06-03
JPH06506021A (ja) 1994-07-07
FI93230B (fi) 1994-11-30
EP0576470A1 (en) 1994-01-05
DE69210811T2 (de) 1996-11-28
NZ241976A (en) 1994-02-25
ATE138130T1 (de) 1996-06-15
WO1992016687A1 (en) 1992-10-01
ES2086732T3 (es) 1996-07-01
FI911410A (fi) 1992-10-05
FI93230C (fi) 1995-03-10
DE69210811D1 (de) 1996-06-20
FI911410A0 (fi) 1991-03-22

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired