FI20105079A - Treatment of wood chips for the production of hot pulp - Google Patents

Treatment of wood chips for the production of hot pulp Download PDF

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Publication number
FI20105079A
FI20105079A FI20105079A FI20105079A FI20105079A FI 20105079 A FI20105079 A FI 20105079A FI 20105079 A FI20105079 A FI 20105079A FI 20105079 A FI20105079 A FI 20105079A FI 20105079 A FI20105079 A FI 20105079A
Authority
FI
Finland
Prior art keywords
treatment
production
wood chips
hot pulp
pulp
Prior art date
Application number
FI20105079A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20105079A0 (en
FI122169B (en
Inventor
Olli Maeentausta
Original Assignee
Mzymes 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 Mzymes Oy filed Critical Mzymes Oy
Priority to FI20105079A priority Critical patent/FI122169B/en
Publication of FI20105079A0 publication Critical patent/FI20105079A0/en
Priority to PCT/FI2011/050064 priority patent/WO2011092378A1/en
Publication of FI20105079A publication Critical patent/FI20105079A/en
Application granted granted Critical
Publication of FI122169B publication Critical patent/FI122169B/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • 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
FI20105079A 2010-01-29 2010-01-29 Treatment of wood chips for the production of hot pulp FI122169B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20105079A FI122169B (en) 2010-01-29 2010-01-29 Treatment of wood chips for the production of hot pulp
PCT/FI2011/050064 WO2011092378A1 (en) 2010-01-29 2011-01-27 Processing of wood chips for production of thermomechanical pulp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20105079 2010-01-29
FI20105079A FI122169B (en) 2010-01-29 2010-01-29 Treatment of wood chips for the production of hot pulp

Publications (3)

Publication Number Publication Date
FI20105079A0 FI20105079A0 (en) 2010-01-29
FI20105079A true FI20105079A (en) 2011-07-30
FI122169B FI122169B (en) 2011-09-30

Family

ID=41620915

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20105079A FI122169B (en) 2010-01-29 2010-01-29 Treatment of wood chips for the production of hot pulp

Country Status (2)

Country Link
FI (1) FI122169B (en)
WO (1) WO2011092378A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE525872C2 (en) * 2002-09-06 2005-05-17 Stora Enso Ab Method of producing mechanical pulp with reduced energy consumption
FI20031818A (en) * 2003-12-11 2005-06-12 Valtion Teknillinen Manufacture of mechanical pulp
US20070062654A1 (en) * 2005-09-16 2007-03-22 Enzymatic Deinking Technologies, Llc Treatment of wood chips using enzymes
CN101130936A (en) * 2007-09-05 2008-02-27 山东轻工业学院 Method for reducing energy consumption during wet refining of mechanical pulp

Also Published As

Publication number Publication date
WO2011092378A1 (en) 2011-08-04
FI20105079A0 (en) 2010-01-29
FI122169B (en) 2011-09-30

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