[go: up one dir, main page]

CL2008001788A1 - Procedimiento de blanqueo de pulpa lignocelulosica que comprende llevar a coccion material lignocelulosico, sosa y antraquinona para formar pulpa, contactar con alcaliy oxigeno, contactar con acido, contactar con clo2 o clo2 y o3, contactar alcali y h2o2, contactar con clo2 para obtener un brillo mayor a 89. - Google Patents

Procedimiento de blanqueo de pulpa lignocelulosica que comprende llevar a coccion material lignocelulosico, sosa y antraquinona para formar pulpa, contactar con alcaliy oxigeno, contactar con acido, contactar con clo2 o clo2 y o3, contactar alcali y h2o2, contactar con clo2 para obtener un brillo mayor a 89.

Info

Publication number
CL2008001788A1
CL2008001788A1 CL2008001788A CL2008001788A CL2008001788A1 CL 2008001788 A1 CL2008001788 A1 CL 2008001788A1 CL 2008001788 A CL2008001788 A CL 2008001788A CL 2008001788 A CL2008001788 A CL 2008001788A CL 2008001788 A1 CL2008001788 A1 CL 2008001788A1
Authority
CL
Chile
Prior art keywords
contact
clo2
alkali
pulp
lignocellulosic
Prior art date
Application number
CL2008001788A
Other languages
English (en)
Inventor
Shin Namhee
Stromberg Bertil
O'leary Pam
Original Assignee
Andritz Inc
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 Andritz Inc filed Critical Andritz Inc
Publication of CL2008001788A1 publication Critical patent/CL2008001788A1/es

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
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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
    • D21C3/222—Use of compounds accelerating the 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
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Abstract

Procedimiento de blanqueo de pulpa lignocelulósica que comprende llevar a cocción material lignocelulósico, sosa y antraquinona para formar pulpa, llevar a 1a etapa de contacto con alcali con oxígeno, llevar a 2a etapa de contacto con ácido y al menos a 3a etapa de contacto con dióxido de cloro o dióxido de cloro y o3.
CL2008001788A 2007-06-18 2008-06-17 Procedimiento de blanqueo de pulpa lignocelulosica que comprende llevar a coccion material lignocelulosico, sosa y antraquinona para formar pulpa, contactar con alcaliy oxigeno, contactar con acido, contactar con clo2 o clo2 y o3, contactar alcali y h2o2, contactar con clo2 para obtener un brillo mayor a 89. CL2008001788A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94458907P 2007-06-18 2007-06-18
US12/133,649 US8262856B2 (en) 2007-06-18 2008-06-05 Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone

Publications (1)

Publication Number Publication Date
CL2008001788A1 true CL2008001788A1 (es) 2009-03-13

Family

ID=39760678

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2008001788A CL2008001788A1 (es) 2007-06-18 2008-06-17 Procedimiento de blanqueo de pulpa lignocelulosica que comprende llevar a coccion material lignocelulosico, sosa y antraquinona para formar pulpa, contactar con alcaliy oxigeno, contactar con acido, contactar con clo2 o clo2 y o3, contactar alcali y h2o2, contactar con clo2 para obtener un brillo mayor a 89.

Country Status (10)

Country Link
US (1) US8262856B2 (es)
EP (1) EP2006441B1 (es)
JP (1) JP2008308812A (es)
AU (1) AU2008202566B2 (es)
BR (1) BRPI0803023A2 (es)
CA (1) CA2634978A1 (es)
CL (1) CL2008001788A1 (es)
ES (1) ES2393563T3 (es)
PT (1) PT2006441E (es)
RU (1) RU2479683C2 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE534885C2 (sv) * 2009-11-11 2012-01-31 Metso Paper Inc Förfarande för att producera en pappersmassa från lignocellulosamaterial innehållande minst 0,5% SiO2
US8795469B2 (en) * 2010-06-25 2014-08-05 Prairie Paper Ventures Inc. Method for preparing nonwood fiber paper
CN104391078B (zh) * 2014-09-23 2016-02-03 黄相贵 一种快速评价杨木烧碱蒽醌法制浆工艺的方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1073161A (en) 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process
US4127439A (en) 1977-01-28 1978-11-28 Crown Zellerbach Corporation Pretreatment of lignocellulose with anthraquinone prior to pulping
US4310383A (en) 1979-11-23 1982-01-12 Crown Zellerbach Corporation Continuous countercurrent pretreatment of lignocellulose with anthraquinone prior to pulping
US5179021A (en) * 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
US6010594A (en) 1993-03-03 2000-01-04 Ahlstrom Machinery Corporation Method of bleaching pulp with chlorine-free chemicals wherein a complexing agent is added immediately after an ozone bleach stage
US6153300A (en) 1994-04-18 2000-11-28 Ahlstrom Machinery, Inc. Bleaching cellulose pulp having cleanliness which varies significantly over time using at least two different bleaching stages and bleaching chemicals
FI102301B (fi) 1994-10-13 1998-11-13 Andritz Oy Menetelmä selluloosamassojen käsittelemiseksi
US6776876B1 (en) 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
CA2211223C (en) 1995-02-17 2002-04-30 Ahlstrom Machinery Oy Method of pretreating pulp to be bleached with peroxide
FR2731021B1 (fr) 1995-02-28 1997-05-16 Chemoxal Sa Procede et installation de fabrication de pate a papier utilisant les effluents de traitement basiques d'une installation de production de peroxyde d'hydrogene
US6248208B1 (en) * 1995-06-02 2001-06-19 Andritz-Ahlstrom Inc. Pretreatment of chips before cooking
JP3698178B2 (ja) * 1995-09-22 2005-09-21 三菱瓦斯化学株式会社 製紙用化学パルプの漂白方法
FI105701B (fi) 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan käsittelemiseksi
US6174409B1 (en) * 1997-09-19 2001-01-16 American Air Liquide Inc. Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process
US6241851B1 (en) 1998-03-03 2001-06-05 Andritz-Ahlstrom Inc. Treatment of cellulose material with additives while producing cellulose pulp
CA2627846C (en) * 1999-03-23 2011-01-04 Oji Paper Co., Ltd. Process for bleaching lignocellulose pulp
CA2318027C (en) 1999-09-13 2008-07-08 Andritz-Ahlstrom Inc. Treating pulp with yield or strength-enhancing additive
JP2001200486A (ja) * 1999-12-02 2001-07-27 Andritz Ahlstrom Inc 細砕セルロース繊維材のスラリーを処理する方法
JP4449173B2 (ja) * 2000-06-07 2010-04-14 三菱瓦斯化学株式会社 製紙用化学パルプの漂白方法
JP3735240B2 (ja) * 2000-07-04 2006-01-18 ファイルド株式会社 健康繊維製品
US6464827B1 (en) * 2000-11-28 2002-10-15 Praxair Technology, Inc. Method of digesting wood with an alkaline liquor by adding an acidic agent to precipitate dissociated lignin
JP2002266271A (ja) * 2001-03-15 2002-09-18 Oji Paper Co Ltd 退色性の改善された漂白パルプ
JP2002302888A (ja) * 2001-04-05 2002-10-18 Oji Paper Co Ltd 漂白パルプの製造方法
JP2004019073A (ja) * 2002-06-19 2004-01-22 Hiroshi Oi アルカリパルプの漂白方法
SE524896C2 (sv) 2003-03-07 2004-10-19 Kvaerner Pulping Tech Blekning av cellulosamassa med klordioxid i två faser med uppvärmning mellan faserna
JP2004339628A (ja) * 2003-05-14 2004-12-02 Oji Paper Co Ltd 漂白パルプの製造方法
SE526241C2 (sv) 2003-12-18 2005-08-02 Metso Paper Inc Förfarande för att surgöra lignocellulosahaltig massa före ozonblekning
CA2651483C (en) * 2006-05-19 2013-06-18 Raymond Francis Methods for carbonate pretreatment and pulping of cellulosic material

Also Published As

Publication number Publication date
EP2006441B1 (en) 2012-08-22
EP2006441A1 (en) 2008-12-24
CA2634978A1 (en) 2008-12-18
BRPI0803023A2 (pt) 2009-05-12
US8262856B2 (en) 2012-09-11
ES2393563T3 (es) 2012-12-26
AU2008202566A1 (en) 2009-01-08
US20090032208A1 (en) 2009-02-05
AU2008202566B2 (en) 2011-11-03
PT2006441E (pt) 2012-09-07
RU2008124885A (ru) 2009-12-27
RU2479683C2 (ru) 2013-04-20
JP2008308812A (ja) 2008-12-25

Similar Documents

Publication Publication Date Title
WO2007143182A3 (en) Improved process for manufacturing pulp, paper and paperboard products
CL2015003181A1 (es) Método para fabricar una fibra kraft que comprende digerir y deslignificar con oxigeno una pasta de celulosa de madera blanda a un numero kappa de entre 6 y 14, blanquear la pulpa usando un proceso de blanqueo de múltiples etapas y oxidarla durante al menos una etapa de dicho proceso de blanqueo de múltiples etapas, con peróxido y un catalizador bajo condiciones ácidas (divisional nº 3005-11)
MX2014002364A (es) Procesos de fabricacion de pulpa.
WO2009048525A3 (en) Selectivity improvement in oxygen delignification and bleaching of lignocellulose pulp using singlet oxygen
MX2013001813A (es) Pastas papeleras de alto brillo a partir de papeles residuales ricos en lignina
UY33190A (es) Proceso para la deslignificación y el blanqueado de la pulpa química
WO2009088635A3 (en) Enzymatic treatment of pulp for lyocell manufacture
BR112015027003A2 (pt) método de proporcionar suprimento de fabricação de trama de fibra com carga, e papel ou papelão
SE0402037D0 (sv) Xylanase treatment of chemical pulp
WO2008058003A3 (en) Method and composition for improving fiber quality and process efficiency in mechanical pulping
WO2010124312A3 (de) Verfahren zur herstellung von zuckern aus lignocellulosehaltiger biomasse, umfassend einen schritt der alkoholisch-alkalinen delignifikation in anwesenheit von h2o2
CL2008001788A1 (es) Procedimiento de blanqueo de pulpa lignocelulosica que comprende llevar a coccion material lignocelulosico, sosa y antraquinona para formar pulpa, contactar con alcaliy oxigeno, contactar con acido, contactar con clo2 o clo2 y o3, contactar alcali y h2o2, contactar con clo2 para obtener un brillo mayor a 89.
AR061065A1 (es) Metodos para pretratamiento con carbonato y elaboracion de pulpa de material celulosico
RU2013156863A (ru) Крафт-волокно древесины хвойных пород с улучшенной белизной и яркостью и способы его производства и применения
WO2008076267A3 (en) A process in a (d) stage bleaching of softwood pulps in a presence of mg(oh)2
BR0306912A (pt) Composição de branqueamento, e, processo para o branqueamento de uma mancha
DE60302540D1 (de) Verwendung von Holz mit niedrigem spezifischem Gewicht zur Herstellung von Lyozellprodukten
WO2008076268A3 (en) A process in a (d) stage bleaching of hardwood pulps in a presence of mg(oh)2
AR054686A1 (es) Tratamiento de bajo ph de pulpa en una secuencia de blanqueo para producir pulpa que tiene un bajo g.p. y un bajo numero de cobre para utilizr en la manufactura de lyocell
CN105040501A (zh) 一种芦苇浆的全无氯漂白方法
FI20041208L (fi) Menetelmä ja järjestely selluloosamassan happidelignifioimiseksi
Islam et al. Beneficial effects of fungal treatment before pulping and bleaching of Acacia mangium and Eucalyptus camaldulensis
Singh et al. Environmentally friendly totally chlorine free bleaching of wheat straw pulp using novel cellulase-poor xylanases of wild strains of Coprinellus disseminatus
GB684742A (en) Method of bleaching chemical pulp
MX2015012715A (es) Celulosa modificada, con tratamiento de superficie, de fibra kraft quimica, y metodos para elaborarla y para usarla.