NO174167C - Process for the preparation of mechanical pulp, and the use of enzymes and / or chemicals in the production of mechanical pulp - Google Patents

Process for the preparation of mechanical pulp, and the use of enzymes and / or chemicals in the production of mechanical pulp

Info

Publication number
NO174167C
NO174167C NO905352A NO905352A NO174167C NO 174167 C NO174167 C NO 174167C NO 905352 A NO905352 A NO 905352A NO 905352 A NO905352 A NO 905352A NO 174167 C NO174167 C NO 174167C
Authority
NO
Norway
Prior art keywords
mechanical pulp
enzymes
chemicals
preparation
production
Prior art date
Application number
NO905352A
Other languages
Norwegian (no)
Other versions
NO905352L (en
NO174167B (en
NO905352D0 (en
Inventor
Marja Vaheri
Helena Ryynanen
Aino Kunnas
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 NO905352D0 publication Critical patent/NO905352D0/en
Publication of NO905352L publication Critical patent/NO905352L/en
Publication of NO174167B publication Critical patent/NO174167B/en
Publication of NO174167C publication Critical patent/NO174167C/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/08—Mechanical or thermomechanical pulp
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/006—Pulping cellulose-containing materials with compounds not otherwise provided for
    • 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
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
NO905352A 1989-12-12 1990-12-11 Process for the preparation of mechanical pulp, and the use of enzymes and / or chemicals in the production of mechanical pulp NO174167C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI895930A FI85389C (en) 1989-12-12 1989-12-12 Process for mass production

Publications (4)

Publication Number Publication Date
NO905352D0 NO905352D0 (en) 1990-12-11
NO905352L NO905352L (en) 1991-06-13
NO174167B NO174167B (en) 1993-12-13
NO174167C true NO174167C (en) 1994-03-23

Family

ID=8529501

Family Applications (1)

Application Number Title Priority Date Filing Date
NO905352A NO174167C (en) 1989-12-12 1990-12-11 Process for the preparation of mechanical pulp, and the use of enzymes and / or chemicals in the production of mechanical pulp

Country Status (5)

Country Link
EP (1) EP0433258A1 (en)
JP (1) JPH03260188A (en)
CA (1) CA2031972A1 (en)
FI (1) FI85389C (en)
NO (1) NO174167C (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2082185C (en) * 1991-11-26 2004-01-20 Alexander R. Pokora Protease catalyzed treatments of lignocellulose materials
DK64092D0 (en) * 1992-05-18 1992-05-18 Novo Nordisk As
US5480801A (en) * 1993-09-17 1996-01-02 Novo Nordisk A/S Purified PH neutral Rhizoctonia laccases and nucleic acids encoding same
ES2158951T3 (en) * 1994-07-26 2001-09-16 Novozymes As PROCESS TO PREPARE A PRODUCT BASED ON LIGNOCELLULOSE AND PRODUCT OBTAINABLE BY MEANS OF THIS PROCESS.
BR9611393A (en) * 1995-11-08 1999-07-13 Novo Nordisk As Lignocellulose-based products and process for the manufacture thereof
EP0879318B1 (en) 1996-02-08 2002-01-23 Novozymes A/S Process for increasing the negative charge on a lignocellulosic material and a modified lignocellulosic material with increased charge density
BR0015768B1 (en) * 1999-11-19 2009-08-11 paper or cardboard making method and paper making apparatus.
US6939437B1 (en) 1999-11-19 2005-09-06 Buckman Laboratories International, Inc. Paper making processes using enzyme and polymer combinations
AU779711B2 (en) * 2000-02-09 2005-02-10 Akzo Nobel N.V. Pulping process
FI20012375A0 (en) * 2001-12-03 2001-12-03 Dynea Chemicals Oy Process for making pressed layer structures
FI20031904A (en) * 2003-12-23 2005-06-24 Kemira Oyj Process for modifying a lignocellulosic product
US8317975B2 (en) 2004-04-20 2012-11-27 The Research Foundation Of The State University Of New York Product and processes from an integrated forest biorefinery
CN101171386B (en) 2005-05-04 2011-11-16 诺维信北美公司 Chlorine dioxide treatment composition and method
DE102008020642A1 (en) * 2008-04-24 2009-10-29 Kronotec Ag Process for the production of wood-based materials and wood-based materials
EP4127313A1 (en) 2020-03-26 2023-02-08 MetGen Oy Method for making moisture-resistant paper

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ216726A (en) * 1985-07-15 1990-08-28 Repligen Corp Use of lignin-degrading enzymes from phanerochaete chrysosporium for treatment of wood pulp and e1 effluent
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

Also Published As

Publication number Publication date
JPH03260188A (en) 1991-11-20
NO905352L (en) 1991-06-13
FI85389C (en) 1992-04-10
EP0433258A1 (en) 1991-06-19
FI895930A (en) 1991-06-13
CA2031972A1 (en) 1991-06-13
NO174167B (en) 1993-12-13
FI895930A0 (en) 1989-12-12
NO905352D0 (en) 1990-12-11
FI85389B (en) 1991-12-31

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