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FI895676L - Method for preparing pulp - Google Patents

Method for preparing pulp Download PDF

Info

Publication number
FI895676L
FI895676L FI895676A FI895676A FI895676L FI 895676 L FI895676 L FI 895676L FI 895676 A FI895676 A FI 895676A FI 895676 A FI895676 A FI 895676A FI 895676 L FI895676 L FI 895676L
Authority
FI
Finland
Prior art keywords
preparing pulp
pulp
preparing
Prior art date
Application number
FI895676A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI895676A0 (en
FI92414B (en
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
Priority to FI895676A priority Critical patent/FI92414B/en
Publication of FI895676A0 publication Critical patent/FI895676A0/en
Priority to EP19900850385 priority patent/EP0430915A1/en
Priority to CA002030836A priority patent/CA2030836A1/en
Priority to JP2321339A priority patent/JPH03174079A/en
Priority to NO90905134A priority patent/NO905134L/en
Publication of FI895676L publication Critical patent/FI895676L/en
Application granted granted Critical
Publication of FI92414B publication Critical patent/FI92414B/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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
FI895676A 1989-11-27 1989-11-27 Method for making pulp FI92414B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI895676A FI92414B (en) 1989-11-27 1989-11-27 Method for making pulp
EP19900850385 EP0430915A1 (en) 1989-11-27 1990-11-26 Procedure for the production pulp
CA002030836A CA2030836A1 (en) 1989-11-27 1990-11-26 Procedure for the production of pulp
JP2321339A JPH03174079A (en) 1989-11-27 1990-11-27 Molding of pulp
NO90905134A NO905134L (en) 1989-11-27 1990-11-27 PROCEDURE FOR MAKING MECHANICAL MASS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI895676A FI92414B (en) 1989-11-27 1989-11-27 Method for making pulp

Publications (3)

Publication Number Publication Date
FI895676A0 FI895676A0 (en) 1989-11-27
FI895676L true FI895676L (en) 1991-05-28
FI92414B FI92414B (en) 1994-07-29

Family

ID=8529431

Family Applications (1)

Application Number Title Priority Date Filing Date
FI895676A FI92414B (en) 1989-11-27 1989-11-27 Method for making pulp

Country Status (5)

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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04240287A (en) * 1991-01-21 1992-08-27 Kobe Steel Ltd How to bleach pulp
FI93230C (en) * 1991-03-22 1995-03-10 Genencor Int Europ Process for reducing resin difficulties in mechanical pulp
FI914780A0 (en) * 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 (en) * 1992-07-17 1997-02-10 Metsae Serla Oy New way to treat mechanical masses
FI92500C (en) * 1993-03-03 1994-11-25 Valtion Teknillinen Process for producing mechanical pulp
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 (en) * 2002-09-06 2005-05-17 Stora Enso Ab Method of producing mechanical pulp with reduced energy consumption
FI20031818L (en) * 2003-12-11 2005-06-12 Valtion Teknillinen Method for preparing mechanical pulp
WO2005106110A1 (en) * 2004-05-03 2005-11-10 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses Method for mechanical pulp production
AU2009353966A1 (en) * 2009-10-16 2012-05-31 Aracruz Celulose S.A. Process for producing differentiated cellulose fibers comprising an enzymatic treatment in association with an acid step
FR2965570B1 (en) * 2010-09-30 2012-11-02 Arjo Wiggins Fine Papers Ltd METHOD FOR THE ENZYMATIC REFINING OF A PAPER PULP COMPRISING CELLULOSIC FIBERS TO REDUCE THEIR LENGTH
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 (en) * 1984-01-10 1986-12-12 Centre Tech Ind Papier PROCESS FOR THE TREATMENT OF PAPER PULP WITH A FIBRILLATION ENZYMATIC SOLUTION AND PULPES THUS PROCESSED.
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
FI81394C (en) * 1988-07-22 1993-07-20 Genencor Int Europ Process for treating pulp with enzymes

Also Published As

Publication number Publication date
NO905134D0 (en) 1990-11-27
NO905134L (en) 1991-05-28
FI895676A0 (en) 1989-11-27
FI92414B (en) 1994-07-29
EP0430915A1 (en) 1991-06-05
CA2030836A1 (en) 1991-05-28
JPH03174079A (en) 1991-07-29

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Legal Events

Date Code Title Description
BB Publication of examined application
FC Application refused
FC Application refused

Owner name: ENSO-GUTZEIT OY