NO905134L - Fremgangsmaate til fremstilling av mekanisk masse. - Google Patents

Fremgangsmaate til fremstilling av mekanisk masse.

Info

Publication number
NO905134L
NO905134L NO90905134A NO905134A NO905134L NO 905134 L NO905134 L NO 905134L NO 90905134 A NO90905134 A NO 90905134A NO 905134 A NO905134 A NO 905134A NO 905134 L NO905134 L NO 905134L
Authority
NO
Norway
Prior art keywords
procedure
making mechanical
mechanical mass
mass
making
Prior art date
Application number
NO90905134A
Other languages
English (en)
Other versions
NO905134D0 (no
Inventor
Marja Vaheri
Nina Salama
Kimmo Ruohoniemi
Original Assignee
Enso Gutzeit 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 Enso Gutzeit Oy filed Critical Enso Gutzeit Oy
Publication of NO905134D0 publication Critical patent/NO905134D0/no
Publication of NO905134L publication Critical patent/NO905134L/no

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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
NO90905134A 1989-11-27 1990-11-27 Fremgangsmaate til fremstilling av mekanisk masse. NO905134L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI895676A FI92414B (fi) 1989-11-27 1989-11-27 Menetelmä massan valmistamiseksi

Publications (2)

Publication Number Publication Date
NO905134D0 NO905134D0 (no) 1990-11-27
NO905134L true NO905134L (no) 1991-05-28

Family

ID=8529431

Family Applications (1)

Application Number Title Priority Date Filing Date
NO90905134A NO905134L (no) 1989-11-27 1990-11-27 Fremgangsmaate til fremstilling av mekanisk masse.

Country Status (5)

Country Link
EP (1) EP0430915A1 (no)
JP (1) JPH03174079A (no)
CA (1) CA2030836A1 (no)
FI (1) FI92414B (no)
NO (1) NO905134L (no)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04240287A (ja) * 1991-01-21 1992-08-27 Kobe Steel Ltd パルプの漂白方法
FI93230C (fi) * 1991-03-22 1995-03-10 Genencor Int Europ Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi
FI914780A0 (fi) * 1991-10-10 1991-10-10 Valtion Teknillinen Foerfarande foer entsymatisk behandling av lignocellulosahaltiga material, i synnerhet cellulosamassor.
CA2082185C (en) * 1991-11-26 2004-01-20 Alexander R. Pokora Protease catalyzed treatments of lignocellulose materials
FI97733C (fi) * 1992-07-17 1997-02-10 Metsae Serla Oy Mekaanisten massojen uusi käsittelytapa
FI92500C (fi) * 1993-03-03 1994-11-25 Valtion Teknillinen Menetelmä mekaanisen massan valmistamiseksi
US5725732A (en) * 1994-11-18 1998-03-10 P. H. Glatfelter Company Process for treating hardwood pulp with an enzyme mixture to reduce vessel element picking
US5770012A (en) * 1994-11-18 1998-06-23 P. H. Glatfelter Co. Process for treating paper machine stock containing bleached hardwood pulp with an enzyme mixture to reduce vessel element picking
WO1997040194A1 (en) * 1996-04-25 1997-10-30 Union Camp Corporation Improved method for biological pretreatment of wood chips
US6939437B1 (en) 1999-11-19 2005-09-06 Buckman Laboratories International, Inc. Paper making processes using enzyme and polymer combinations
SE525872C2 (sv) * 2002-09-06 2005-05-17 Stora Enso Ab Metod att tillverka mekanisk massa med reducerad energikonsumtion
FI20031818A (fi) * 2003-12-11 2005-06-12 Valtion Teknillinen Menetelmä mekaanisen massan valmistamiseksi
CN1997791B (zh) * 2004-05-03 2011-01-26 纸、纸板和纤维素工业技术中心 机械纸浆的制备方法
CA2777801C (en) 2009-10-16 2017-05-02 Aracruz Celulose S.A. Differentiated cellulosic fibres from an enzymatic treatment having an acid step
FR2965570B1 (fr) * 2010-09-30 2012-11-02 Arjo Wiggins Fine Papers Ltd Procede de raffinage en milieu enzymatique d'une pate papetiere comportant des fibres cellulosiques afin de reduire leur longueur
US9145640B2 (en) 2013-01-31 2015-09-29 University Of New Brunswick Enzymatic treatment of wood chips
US9127401B2 (en) 2013-01-31 2015-09-08 University Of New Brunswick Wood pulp treatment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2557894B1 (fr) * 1984-01-10 1986-12-12 Centre Tech Ind Papier Procede de traitement de pates papetieres par une solution enzymatique favorisant la fibrillation et pates ainsi traitees.
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
FI81394C (fi) * 1988-07-22 1993-07-20 Genencor Int Europ Foerfarande foer behandling av massa med enzymer

Also Published As

Publication number Publication date
FI895676A (fi) 1991-05-28
FI92414B (fi) 1994-07-29
FI895676A0 (fi) 1989-11-27
CA2030836A1 (en) 1991-05-28
NO905134D0 (no) 1990-11-27
JPH03174079A (ja) 1991-07-29
EP0430915A1 (en) 1991-06-05

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