NO921737L - Behandling av masse for papirfremstilling - Google Patents

Behandling av masse for papirfremstilling

Info

Publication number
NO921737L
NO921737L NO92921737A NO921737A NO921737L NO 921737 L NO921737 L NO 921737L NO 92921737 A NO92921737 A NO 92921737A NO 921737 A NO921737 A NO 921737A NO 921737 L NO921737 L NO 921737L
Authority
NO
Norway
Prior art keywords
bleached
paper
pulp
alkaline treated
pectins
Prior art date
Application number
NO92921737A
Other languages
English (en)
Other versions
NO921737D0 (no
NO179842B (no
NO179842C (no
Inventor
Jeffrey W Thornton
Christer Eckerman
Rainer Ekman
Bjarne Holmbom
Original Assignee
Metsae Serla 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 Metsae Serla Oy filed Critical Metsae Serla Oy
Publication of NO921737D0 publication Critical patent/NO921737D0/no
Publication of NO921737L publication Critical patent/NO921737L/no
Publication of NO179842B publication Critical patent/NO179842B/no
Publication of NO179842C publication Critical patent/NO179842C/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
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
NO921737A 1991-05-02 1992-04-30 Fremgangsmåte for papirtilvirkning ved avvanning av masse NO179842C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI912136A FI90670C (sv) 1991-05-02 1991-05-02 Behandling av alkalibehandlad massa för användning i pappersframställning

Publications (4)

Publication Number Publication Date
NO921737D0 NO921737D0 (no) 1992-04-30
NO921737L true NO921737L (no) 1992-11-03
NO179842B NO179842B (no) 1996-09-16
NO179842C NO179842C (no) 1996-12-27

Family

ID=8532435

Family Applications (1)

Application Number Title Priority Date Filing Date
NO921737A NO179842C (no) 1991-05-02 1992-04-30 Fremgangsmåte for papirtilvirkning ved avvanning av masse

Country Status (7)

Country Link
US (1) US5487812A (no)
EP (1) EP0512790B1 (no)
AT (1) ATE140985T1 (no)
DE (1) DE69212529T2 (no)
ES (1) ES2092636T3 (no)
FI (1) FI90670C (no)
NO (1) NO179842C (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4067297A (en) * 1996-08-16 1998-03-06 International Paper Company Enzymatic freeness enhancement
BR9712489A (pt) * 1996-12-04 1999-10-19 Novo Nodisk Biochem North Amer Processo para limpeza úmida de material celulósico, e, material celulósico
SE525872C2 (sv) * 2002-09-06 2005-05-17 Stora Enso Ab Metod att tillverka mekanisk massa med reducerad energikonsumtion
US20050003516A1 (en) * 2003-04-16 2005-01-06 Novozymes A/S Enzymatic treatment of paper making
WO2012015452A1 (en) * 2009-11-11 2012-02-02 International Paper Company Effect of low dose xylanase on pulp in prebleach treatment process
US9856606B2 (en) * 2011-12-12 2018-01-02 Enzymatic Deinking Technologies, L.L.C. Enzymatic pre-treatment of market pulp to improve fiber drainage and physical properties
CN104233893B (zh) * 2014-09-03 2016-07-06 稼禾生物股份有限公司 一种清洁化高效纸浆清洗工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617383A (en) * 1983-11-22 1986-10-14 Helmic, Inc. Method for degumming and bleaching decorticated plant bast fiber
US4687745A (en) * 1985-07-15 1987-08-18 Repligen Corporation Use of rLDM™ 1-6 and other ligninolytic enzymes in the treatment of mechanical pulps
FR2588886B1 (fr) * 1985-10-18 1988-06-24 Comite Eco Agric Prod Chanvre Procede de traitement biochimique de plantes fibreuses liberiennes ou cellulosiques et assimilees
FR2604198B1 (fr) * 1986-09-22 1989-07-07 Du Pin Cellulose Procede de traitement d'une pate papetiere par une solution enzymatique.
US4964955A (en) * 1988-12-21 1990-10-23 Cyprus Mines Corporation Method of reducing pitch in pulping and papermaking operations
JPH02118191A (ja) * 1988-10-26 1990-05-02 Jujo Paper Co Ltd 製紙用機械パルプの製造方法及び紙の製造方法
FI85041C (fi) * 1989-01-16 1992-02-25 Enso Gutzeit Oy Foerfarande foer att bringa pappersmassa pao en pappersmaskins vira.
FI86896B (fi) * 1989-05-04 1992-07-15 Enso Gutzeit Oy Foerfarande foer blekning av cellulosamassa.
NZ235679A (en) * 1989-10-18 1993-01-27 Int Paper Co Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages
FI89814C (fi) * 1990-02-02 1993-11-25 Enso Gutzeit Oy Foerfarande foer blekning av cellulosamassa

Also Published As

Publication number Publication date
ATE140985T1 (de) 1996-08-15
ES2092636T3 (es) 1996-12-01
NO921737D0 (no) 1992-04-30
FI90670B (sv) 1993-11-30
EP0512790B1 (en) 1996-07-31
NO179842B (no) 1996-09-16
FI912136A0 (fi) 1991-05-02
DE69212529D1 (de) 1996-09-05
FI90670C (sv) 1994-03-10
FI912136L (fi) 1992-11-03
US5487812A (en) 1996-01-30
DE69212529T2 (de) 1996-11-28
EP0512790A1 (en) 1992-11-11
NO179842C (no) 1996-12-27

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