BR112014024776A8 - Método de branqueamento de polpa - Google Patents

Método de branqueamento de polpa

Info

Publication number
BR112014024776A8
BR112014024776A8 BR112014024776A BR112014024776A BR112014024776A8 BR 112014024776 A8 BR112014024776 A8 BR 112014024776A8 BR 112014024776 A BR112014024776 A BR 112014024776A BR 112014024776 A BR112014024776 A BR 112014024776A BR 112014024776 A8 BR112014024776 A8 BR 112014024776A8
Authority
BR
Brazil
Prior art keywords
bleaching
pulp bleaching
pulp
bleaching method
stage
Prior art date
Application number
BR112014024776A
Other languages
English (en)
Other versions
BR112014024776A2 (pt
BR112014024776B1 (pt
Inventor
Andreas Lindberg
Anna-Stiina Jääskeläinen
Tapani Vuorinen
Original Assignee
Andritz Oy
Metsae Fibre Oy
Stora Enso Oyj
Upm Kymmene Corp
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 Oy, Metsae Fibre Oy, Stora Enso Oyj, Upm Kymmene Corp filed Critical Andritz Oy
Publication of BR112014024776A2 publication Critical patent/BR112014024776A2/pt
Publication of BR112014024776A8 publication Critical patent/BR112014024776A8/pt
Publication of BR112014024776B1 publication Critical patent/BR112014024776B1/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
    • 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
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • 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
    • 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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07—Nitrogen-containing compounds
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/32—Bleaching agents
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums
    • 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
    • D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
    • D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • External Artificial Organs (AREA)

Abstract

método de branqueamento de polpa. a presente invenção está correlacionada a um método para branqueamento de polpa. no referido método, pelo menos um composto de amina terciária é introduzido dentro de um estágio do processo de branqueamento. esse estágio do processo é um estágio que compreende misturar a polpa com um composto de cloro, o qual é capaz de promover o branqueamento.
BR112014024776-5A 2012-04-03 2013-04-03 Método de branqueamento de polpa BR112014024776B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20125378 2012-04-03
FI20125378A FI123926B (en) 2012-04-03 2012-04-03 Pulp bleaching procedure
PCT/FI2013/050360 WO2013150184A1 (en) 2012-04-03 2013-04-03 A method for bleaching pulp

Publications (3)

Publication Number Publication Date
BR112014024776A2 BR112014024776A2 (pt) 2017-08-22
BR112014024776A8 true BR112014024776A8 (pt) 2021-10-13
BR112014024776B1 BR112014024776B1 (pt) 2022-03-15

Family

ID=48184231

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014024776-5A BR112014024776B1 (pt) 2012-04-03 2013-04-03 Método de branqueamento de polpa

Country Status (13)

Country Link
US (1) US9540767B2 (pt)
EP (1) EP2834407B1 (pt)
CN (1) CN104471146B (pt)
AR (1) AR090571A1 (pt)
BR (1) BR112014024776B1 (pt)
CA (1) CA2869351C (pt)
CL (1) CL2014002645A1 (pt)
ES (1) ES2600730T3 (pt)
FI (1) FI123926B (pt)
PL (1) PL2834407T3 (pt)
PT (1) PT2834407T (pt)
UY (1) UY34724A (pt)
WO (1) WO2013150184A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI123926B (en) 2012-04-03 2013-12-13 Upm Kymmene Corp Pulp bleaching procedure
WO2015138335A1 (en) * 2014-03-12 2015-09-17 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
CA2901915A1 (en) 2013-03-15 2014-09-18 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
WO2016075370A1 (en) 2014-11-11 2016-05-19 Betulium Oy Cationic parenchymal cellulose
FI128736B (en) * 2018-03-09 2020-11-13 Valmet Automation Oy Method and measuring device for measuring the suspension

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298428A (en) * 1980-08-07 1981-11-03 Nalco Chemical Company Use of additives in pulp bleaching processes to preserve pulp strength
US4594184A (en) 1985-05-23 1986-06-10 The Procter & Gamble Company Chlorine bleach compatible liquid detergent compositions
US4740212A (en) * 1985-11-25 1988-04-26 Quantum Technologies, Inc. Process and composition for bleaching cellulosic material with hypochlorous acid
ATE200290T1 (de) 1994-07-04 2001-04-15 Kyowa Hakko Kogyo Kk Verfahren zur herstellung von indolocarbazol- derivaten
FI102301B (fi) 1994-10-13 1998-11-13 Andritz Oy Menetelmä selluloosamassojen käsittelemiseksi
US6706143B1 (en) 1996-03-19 2004-03-16 International Paper Company Minimizing chlorinated organics in pulp bleaching processes
FI105214B (fi) 1997-11-13 2000-06-30 Kemira Chemicals Oy Tehostettu kemiallisen massan valkaisumenetelmä
US7351764B2 (en) * 2004-03-31 2008-04-01 Nalco Company Methods to enhance brightness of pulp and optimize use of bleaching chemicals
CN1811055A (zh) * 2006-02-28 2006-08-02 华南理工大学 一种大麻芯杆漂白化学纸浆的生产方法
FI123102B (fi) 2006-03-31 2012-11-15 Laennen Tutkimus Western Res Inc Oy Kemiallisen massan valkaisumenetelmä
CN101476255A (zh) * 2008-12-19 2009-07-08 华南理工大学 碱法草浆次氯酸盐与过氧化氢两段漂白工艺
FI125707B (fi) 2011-06-09 2016-01-15 Upm Kymmene Corp Menetelmä selluloosan katalyyttiseen hapetukseen ja menetelmä selluloosatuotteen valmistamiseksi
FI123926B (en) 2012-04-03 2013-12-13 Upm Kymmene Corp Pulp bleaching procedure
US9970157B2 (en) * 2013-08-09 2018-05-15 Novozymes A/S Reducing content of hexenuronic acids in cellulosic pulp

Also Published As

Publication number Publication date
FI20125378A (fi) 2013-10-04
PT2834407T (pt) 2016-09-21
PL2834407T3 (pl) 2017-08-31
EP2834407A1 (en) 2015-02-11
CA2869351A1 (en) 2013-10-10
AR090571A1 (es) 2014-11-19
BR112014024776A2 (pt) 2017-08-22
WO2013150184A1 (en) 2013-10-10
BR112014024776B1 (pt) 2022-03-15
EP2834407B1 (en) 2016-06-15
CA2869351C (en) 2020-01-07
CN104471146A (zh) 2015-03-25
ES2600730T3 (es) 2017-02-10
UY34724A (es) 2013-10-31
CL2014002645A1 (es) 2016-02-12
US20150152600A1 (en) 2015-06-04
CN104471146B (zh) 2016-08-31
US9540767B2 (en) 2017-01-10
FI123926B (en) 2013-12-13

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
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: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/04/2013, OBSERVADAS AS CONDICOES LEGAIS.