BR9912997B1 - método para cozimento contìnuo de material de fibra lignocelulósico. - Google Patents

método para cozimento contìnuo de material de fibra lignocelulósico.

Info

Publication number
BR9912997B1
BR9912997B1 BRPI9912997-3A BR9912997A BR9912997B1 BR 9912997 B1 BR9912997 B1 BR 9912997B1 BR 9912997 A BR9912997 A BR 9912997A BR 9912997 B1 BR9912997 B1 BR 9912997B1
Authority
BR
Brazil
Prior art keywords
fiber material
stage
liquid
cooking
continuous cooking
Prior art date
Application number
BRPI9912997-3A
Other languages
English (en)
Other versions
BR9912997A (pt
Inventor
Vidar Snekkenes
Krister Olsson
Lennart Gustavsson
Lindstroem Mikael
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26663374&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9912997(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of BR9912997A publication Critical patent/BR9912997A/pt
Publication of BR9912997B1 publication Critical patent/BR9912997B1/pt

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • 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
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)
BRPI9912997-3A 1998-08-24 1999-06-30 método para cozimento contìnuo de material de fibra lignocelulósico. BR9912997B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9802844A SE9802844D0 (sv) 1998-08-24 1998-08-24 Method for continuous cooking of lignocellulosic fibre material
US09/139,209 US6468390B1 (en) 1998-08-24 1998-08-24 Method for continuous cooking of lignocellulosic fiber material
PCT/SE1999/001186 WO2000011261A1 (en) 1998-08-24 1999-06-30 Method for precipitating hemicellulose onto fibres for improved yield and beatability

Publications (2)

Publication Number Publication Date
BR9912997A BR9912997A (pt) 2001-05-08
BR9912997B1 true BR9912997B1 (pt) 2009-08-11

Family

ID=26663374

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9912997-3A BR9912997B1 (pt) 1998-08-24 1999-06-30 método para cozimento contìnuo de material de fibra lignocelulósico.

Country Status (12)

Country Link
US (1) US6468390B1 (pt)
EP (1) EP1115943B1 (pt)
AT (1) ATE248945T1 (pt)
AU (1) AU5074499A (pt)
BR (1) BR9912997B1 (pt)
CA (1) CA2338363C (pt)
DE (1) DE69911039T2 (pt)
ES (1) ES2207263T3 (pt)
NZ (1) NZ509564A (pt)
PT (1) PT1115943E (pt)
SE (1) SE9802844D0 (pt)
WO (1) WO2000011261A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE520956C2 (sv) 2001-12-05 2003-09-16 Kvaerner Pulping Tech Kontinuerlig kokning med extra uppehållstid för avdragen vätska utanför kokaren
SE518993E (sv) * 2002-01-24 2013-04-23 Metso Paper Sweden Ab Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut
FI122841B (fi) * 2004-10-04 2012-07-31 Metso Paper Inc Menetelmä ja laitteisto selluloosamassan valmistamiseksi
SE529206C2 (sv) 2005-11-29 2007-05-29 Metso Fiber Karlstad Ab Förfarande och anordning vid kontinuerlig kokning av kemisk cellulosamassa
AT503611B1 (de) * 2006-05-10 2009-05-15 Chemiefaser Lenzing Ag Verfahren zur herstellung eines zellstoffes
US7828930B2 (en) * 2007-11-20 2010-11-09 International Paper Company Use of polysulfide in modified cooking
SE0702874L (sv) * 2007-12-20 2009-06-09 Metso Fiber Karlstad Ab Förfarande vid tillverkning av sulfatmassa där hemicellulosor återförs
EP2513372B1 (en) * 2009-12-15 2014-03-26 Södra Cell AB Pulping process
SE538452C2 (en) * 2014-11-07 2016-07-05 Valmet Oy Method for operating a two vessel digester system
CN114481656B (zh) 2015-06-11 2024-03-22 思科有限责任公司 用于从植物基和再生材料生产纸浆、能源和生物衍生物的方法和系统
SE1650664A1 (en) * 2016-05-17 2017-10-17 Valmet Oy Method for generation of clean steam in a continuous digester system
WO2019140245A1 (en) 2018-01-12 2019-07-18 Tyton Biosciences, Llc Methods for recycling cotton and polyester fibers from waste textiles
US20230374730A1 (en) * 2022-05-17 2023-11-23 Bracell Bahia Specialty Cellulose SA Apparatuses, methods and systems for yield increase in a kraft cooking plant
SE2350110A1 (en) * 2023-02-06 2024-06-18 Soedra Skogsaegarna Ekonomisk Foerening Method for production of chemical wood pulp with enhanced tensile strength

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE222020C1 (pt) * 1968-08-06
SE317250B (pt) * 1964-03-17 1969-11-10 Stiftelsen Svensk Cellulosafor
FR1510761A (fr) * 1966-03-03 1968-01-19 Mo Och Domsjoe Ab Procédé pour l'accroissement du rendement de la préparation de pâtes à papier par voie alcaline
SE359331B (pt) * 1970-03-17 1973-08-27 Kamyr Ab
SE384544B (sv) * 1972-12-11 1976-05-10 Svenska Traeforskningsinst Sett vid alkalisk uppslutning av cellulosahaltigt material
SE500113C2 (sv) * 1992-07-09 1994-04-18 Kamyr Ab Sätt vid blekning av massa för omhändertagande av utlösta metaller
WO1995000698A1 (en) * 1993-06-25 1995-01-05 Kamyr, Inc. Hemicellulose recovery during kraft pulping
US5674359A (en) * 1995-02-08 1997-10-07 Ahlstrom Machinery Inc. Continuous cooking of cellulosic fibrous material with cold alkali impregnation

Also Published As

Publication number Publication date
WO2000011261A1 (en) 2000-03-02
ATE248945T1 (de) 2003-09-15
CA2338363C (en) 2007-12-04
DE69911039T2 (de) 2004-07-08
EP1115943A1 (en) 2001-07-18
CA2338363A1 (en) 2000-03-02
EP1115943B1 (en) 2003-09-03
PT1115943E (pt) 2004-01-30
SE9802844D0 (sv) 1998-08-24
DE69911039D1 (de) 2003-10-09
BR9912997A (pt) 2001-05-08
NZ509564A (en) 2003-05-30
US6468390B1 (en) 2002-10-22
ES2207263T3 (es) 2004-05-16
AU5074499A (en) 2000-03-14

Similar Documents

Publication Publication Date Title
BR9912997B1 (pt) método para cozimento contìnuo de material de fibra lignocelulósico.
PE56394A1 (es) Pasta de celulosa que tiene un potencial de suavidad mejorado y metodo para elaborar dicha pasta
ZA965108B (en) Process for preparing reduced odor and improved brightness individualized, polycarboxylic acid crosslinked fibers.
DE3662541D1 (en) Treatment of a fibrous sheet obtained by paper-making techniques in view of improving its dimensional stability, and application, particularly in the field of floor or wall coverings
SE0303512L (sv) Kokning av cellulosamaterial
SE0202629D0 (sv) A Method of producing mechanical pulp and the mechanical pulp thus produced
PT82192B (pt) Processo para a producao de um polpa de fibra branqueada quimico-mecanica e semi-quimica atraves de um processo de impregnacao de etapa unica
CA2082185A1 (en) Protease catalyzed treatments of lignocellulose materials
SE8800200D0 (sv) Sett for framstellning av mekanisk massa
BR9103446A (pt) Metodo e aparelho para o tratamento de material fibroso com um reagente gasoso,aparelho para o tratamento de material fibroso afofado com um reagente gasoso e aparelho para alvejar polpa de madeira com um reagente gasoso
DE69630803D1 (de) Sauerstoffdelignifizierung von lignocelluloschischem zellstoff in zwei stufen
FI945695A0 (fi) Menetelmä sellukuitujen valmistamiseksi, joiden fibrilloitumistaipumus on vähentynyt
ATE112595T1 (de) Verfahren zur herstellung von aufschlusslösungen mit hoher sulfidität für das kochen von sulfatpulpe.
FI891559A (fi) Foerfarande foer framstaellning av lignocellulosamaterialfibrer innehaollande produkter.
SE8802089D0 (sv) A method of preparing a pulp
PT1027505E (pt) Processo de producao de material de isolamento, material fibroso organico e processo de isolamento por projeccao para realizar um isolamento
DE69121332D1 (de) Verfahren zur herstellung von kraftpulpe
MY102502A (en) A process for the manufature of cellulose pulps
DK0576470T3 (da) Fremgangsmåde til reduktion af begproblemer i mekanisk træmasse
ATE165585T1 (de) Verfahren zu einer elektrochemischen behandlung von zellstoffablauge
SE8900497D0 (sv) Metallfiberarmerad board samt foerfarande foer dess framstaellning
SE9501572D0 (sv) Sätt vid impregnering i enkärls hydraulkokare
ATE196329T1 (de) Verfahren zur herstellung eines verfestigten faserverbundes
ATE245685T1 (de) Verfahren zur entsäuerung von bedrucktem, cellulosehaltigem material
AU6734881A (en) Producing cellulosic pulp by the thermomechanical pulping method

Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: METSO FIBER KARLSTAD AB (SE)

Free format text: ALTERADO DE: KVAERNER PULPING AB

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 22/09/2009, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved

Owner name: METSO PAPER SWEDEN AB (SE)

Free format text: TRANSFERIDO POR INCORPORACAO DE: METSO FIBER KARLSTAD AB

B25E Requested change of name of applicant rejected

Owner name: METSO PAPER SWEDEN AB (SE)

B25H Request for change of headquarter rejected

Owner name: METSO PAPER SWEDEN AB (SE)

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)