PT3571347T - Processo de branqueamento de uma pasta de papel - Google Patents

Processo de branqueamento de uma pasta de papel

Info

Publication number
PT3571347T
PT3571347T PT187030630T PT18703063T PT3571347T PT 3571347 T PT3571347 T PT 3571347T PT 187030630 T PT187030630 T PT 187030630T PT 18703063 T PT18703063 T PT 18703063T PT 3571347 T PT3571347 T PT 3571347T
Authority
PT
Portugal
Prior art keywords
paper pulp
bleaching paper
bleaching
pulp
paper
Prior art date
Application number
PT187030630T
Other languages
English (en)
Original Assignee
Centre Technique De Lindustrie Des Papiers Cartons Et Celluloses
Inst Polytechnique Grenoble
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 Centre Technique De Lindustrie Des Papiers Cartons Et Celluloses, Inst Polytechnique Grenoble filed Critical Centre Technique De Lindustrie Des Papiers Cartons Et Celluloses
Publication of PT3571347T publication Critical patent/PT3571347T/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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C9/1042—Use of chelating agents
    • 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)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
PT187030630T 2017-01-23 2018-01-18 Processo de branqueamento de uma pasta de papel PT3571347T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1750512A FR3062138B1 (fr) 2017-01-23 2017-01-23 Procede de blanchiment d'une pate a papier

Publications (1)

Publication Number Publication Date
PT3571347T true PT3571347T (pt) 2020-12-11

Family

ID=58401871

Family Applications (1)

Application Number Title Priority Date Filing Date
PT187030630T PT3571347T (pt) 2017-01-23 2018-01-18 Processo de branqueamento de uma pasta de papel

Country Status (15)

Country Link
US (1) US11384480B2 (pt)
EP (1) EP3571347B1 (pt)
JP (1) JP2020514564A (pt)
KR (1) KR102531578B1 (pt)
CN (1) CN110177909A (pt)
AR (1) AR110905A1 (pt)
BR (1) BR112019014480B1 (pt)
CA (1) CA3049171A1 (pt)
CL (1) CL2019001865A1 (pt)
FR (1) FR3062138B1 (pt)
PT (1) PT3571347T (pt)
RU (1) RU2747664C2 (pt)
UY (1) UY37578A (pt)
WO (1) WO2018134525A1 (pt)
ZA (1) ZA201904595B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114277599A (zh) * 2021-12-17 2022-04-05 广西大学 一种低温中性二氧化氯漂白方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884752A (en) * 1973-09-17 1975-05-20 Int Paper Co Single vessel wood pulp bleaching with chlorine dioxide followed by sodium hypochlorite or alkaline extraction
FR2589494B1 (fr) * 1985-10-30 1988-07-29 Atochem Procede de blanchiment de pates papetieres chimiques
EP0496782B1 (en) * 1989-10-19 1996-03-20 North Carolina State University High efficiency chlorine dioxide pulp bleaching process
US5268075A (en) 1989-10-19 1993-12-07 North Carolina State University High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process
EP0496827A1 (en) * 1989-10-19 1992-08-05 North Carolina State University Chlorine dioxide pulp bleaching process using sequential chlorine addition
SE9000340L (sv) * 1990-01-31 1991-08-01 Eka Nobel Ab Foerfarande vid blekning av lignocellulosahaltigt material
NZ237019A (en) * 1990-02-19 1992-11-25 Amcor Ltd Bleaching paper pulp by initially treating with oxygen and/or hydrogen peroxide and subsequently treating with a bleaching agent without intervening washing steps
JPH04126885A (ja) * 1990-09-14 1992-04-27 Akio Onda 化学パルプの製造方法
SE502706E (sv) * 1994-04-05 1999-09-27 Mo Och Domsjoe Ab Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg
FR2747407B1 (fr) * 1996-04-12 1998-05-07 Atochem Elf Sa Procede de delignification et de blanchiment de pates a papier chimiques
CA2189724A1 (en) * 1996-07-08 1998-01-09 Suezone Chow Method of pulping
BR9711743A (pt) * 1996-09-11 1999-08-24 Solvay Interox Processo de deslignifica-Æo e de branqueamento de pasta de papel qu¡mica
DE102010001001A1 (de) * 2010-01-19 2011-07-21 Evonik Degussa GmbH, 45128 Verfahren zur Delignifizierung und Bleiche von Zellstoff
CN103382671B (zh) 2013-07-29 2015-06-17 四川理工学院 一种高聚合度竹浆粕的清洁制浆技术
JP6194818B2 (ja) * 2014-02-28 2017-09-13 王子ホールディングス株式会社 ケミカルパルプの製造方法、及びそのパルプを含む紙または板紙
SE538752C2 (en) * 2014-11-21 2016-11-08 Innventia Ab Process for the production of a treated pulp, treated pulp, and textile fibers produced from the treated pulp
CN105200837A (zh) 2015-09-24 2015-12-30 广西大学 一种碱预处理辅助竹浆ecf漂白减少aox生成的方法

Also Published As

Publication number Publication date
RU2019121768A (ru) 2021-01-11
CA3049171A1 (en) 2018-07-26
CN110177909A (zh) 2019-08-27
UY37578A (es) 2018-08-31
FR3062138B1 (fr) 2019-06-07
WO2018134525A1 (fr) 2018-07-26
BR112019014480A2 (pt) 2020-02-11
KR20190104340A (ko) 2019-09-09
EP3571347B1 (fr) 2020-10-28
RU2747664C2 (ru) 2021-05-11
CL2019001865A1 (es) 2019-11-22
BR112019014480B1 (pt) 2023-02-23
US20190345672A1 (en) 2019-11-14
RU2019121768A3 (pt) 2021-03-24
JP2020514564A (ja) 2020-05-21
ZA201904595B (en) 2020-02-26
AR110905A1 (es) 2019-05-15
FR3062138A1 (fr) 2018-07-27
KR102531578B1 (ko) 2023-05-12
EP3571347A1 (fr) 2019-11-27
US11384480B2 (en) 2022-07-12

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