NO921737D0 - Behandling av masse for papirfremstilling - Google Patents

Behandling av masse for papirfremstilling

Info

Publication number
NO921737D0
NO921737D0 NO921737A NO921737A NO921737D0 NO 921737 D0 NO921737 D0 NO 921737D0 NO 921737 A NO921737 A NO 921737A NO 921737 A NO921737 A NO 921737A NO 921737 D0 NO921737 D0 NO 921737D0
Authority
NO
Norway
Prior art keywords
bleached
paper
pulp
alkaline treated
pectins
Prior art date
Application number
NO921737A
Other languages
English (en)
Other versions
NO179842B (no
NO179842C (no
NO921737L (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 true NO921737D0 (no) 1992-04-30
NO921737L 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 (6)

* 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
ATE371052T1 (de) 1996-12-04 2007-09-15 Novozymes North America Inc Alkalisches enzymatisches abkochen von baumwolltextilien
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
DE69212529D1 (de) 1996-09-05
DE69212529T2 (de) 1996-11-28
EP0512790B1 (en) 1996-07-31
FI912136A (fi) 1992-11-03
FI90670B (sv) 1993-11-30
FI912136A0 (fi) 1991-05-02
NO179842B (no) 1996-09-16
NO179842C (no) 1996-12-27
ES2092636T3 (es) 1996-12-01
ATE140985T1 (de) 1996-08-15
FI90670C (sv) 1994-03-10
NO921737L (no) 1992-11-03
EP0512790A1 (en) 1992-11-11
US5487812A (en) 1996-01-30

Similar Documents

Publication Publication Date Title
NO180495C (no) Fremgangsmåte ved delignifisering og bleking av kjemisk oppsluttet lignocelluloseholdig materiale
BR8907314A (pt) Processo para branquear polpa de celulose e enzima usada no mesmo
DK0693589T3 (da) Limningsfremgangsmåde og vandig limningsdespersion
NO921737D0 (no) Behandling av masse for papirfremstilling
DE3672577D1 (de) Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten.
FI934036A (fi) Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
BR9204097A (pt) Processo para obtener melhorada,seletividade de deslignificacao de polpa durante a deslignificacao com oxigenio,de elevada consistencia
FI906076A (fi) Menetelmä kemiallisten selluloosamassojen valkaisemiseksi valkaistujen absorboivien massojen valmistamiseksi
SE504340E (sv) Förfarande för delignifiering/blekning av lignininnehållande cellulosamassa
NO20005046L (no) Behandling av filtrater fra peroksidbleking av tremasse
RU94036007A (ru) Способ делигнификации лигноцеллюлозного материала
ES2101830T3 (es) Proceso de reduccion a pasta en la fabricacion de papel.
NO176060C (no) Fremgangsmåte ved bleking av masse av celluloseholdig fibermateriale
DE59402342D1 (de) Verbessertes Verfahren zur Bleiche von Holzstoffen
FI974145A (fi) Menetelmä selluloosamassojen suotautuvuuden parantamiseksi
ZA924021B (en) Process for the bleaching and delignification of chemical paper pulps and application of this process to the bleaching and delignification of kraft pulps and of asam pulps
SE9701711D0 (sv) Sätt vid beredning av cellulosamassa, cellulosamassa för användning i absorptionsprodukter samt absorptionsprodukt
FI104339B1 (fi) Parannettu paperinvalmistusmenetelmä
DE59704964D1 (de) Verfahren zur Herstellung von gebleichten Spezialzellstoffen
SE9603630L (sv) Blekning av pappersmassa varvid en avskild vätskefas oxideras för inaktivering av komplexbundna metalljoner
SE9703348D0 (sv) Method of treating wod fibers and a paper product containing such wood fibers
KR950006140A (ko) 비 목질계 식물 섬유로부터 제지용 펄프의 제조방법
RO103604B1 (ro) PROCEDEU DE COMBATERE A MICROORGANISMELOR îN PROCESUL DE FABRICARE A HîRTIEI
NO303074B1 (no) FremgangsmÕte ved ozonbleking av masse
RU95118583A (ru) Бумажная масса для изготовления газетной бумаги

Legal Events

Date Code Title Description
MK1K Patent expired