UY37578A - Método de blanqueo de una pasta de papel - Google Patents

Método de blanqueo de una pasta de papel

Info

Publication number
UY37578A
UY37578A UY0001037578A UY37578A UY37578A UY 37578 A UY37578 A UY 37578A UY 0001037578 A UY0001037578 A UY 0001037578A UY 37578 A UY37578 A UY 37578A UY 37578 A UY37578 A UY 37578A
Authority
UY
Uruguay
Prior art keywords
paper pulp
whitening
unbleached
keep
bleaching
Prior art date
Application number
UY0001037578A
Other languages
English (en)
Inventor
Mortha Gérard
Jennifer Marcon
Nathalie Marlin
Burnet Auphélia
Petit-Conil Michel
Original Assignee
Centre Technique De L’Industrie Des Papiers Cartons Etcelluloses
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 L’Industrie Des Papiers Cartons Etcelluloses, Inst Polytechnique Grenoble filed Critical Centre Technique De L’Industrie Des Papiers Cartons Etcelluloses
Publication of UY37578A publication Critical patent/UY37578A/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
    • D21C9/1057—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
    • D21C9/1005—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
    • D21C9/12—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
    • D21C9/16—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)

Abstract

La presente invención se refiere un método de blanqueo de una pasta de papel no blanqueada o blanqueada previamente que comprende al menos las etapas sucesivas de preparación de una pasta de papel no blanqueada o previamente blanqueada que tiene un pH superior o igual a 8, poner en contacto la pasta de papel obtenida con dióxido de cloro, añadir al menos una base de Brønsted, añadir peróxido de hidrógeno, mantener la pasta de papel obtenida en una primera torre de blanqueo, y mantener la pasta de papel obtenida en una segunda torre de blanqueo.
UY0001037578A 2017-01-23 2018-01-22 Método de blanqueo de una pasta de papel UY37578A (es)

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
UY37578A true UY37578A (es) 2018-08-31

Family

ID=58401871

Family Applications (1)

Application Number Title Priority Date Filing Date
UY0001037578A UY37578A (es) 2017-01-23 2018-01-22 Método de blanqueo de una pasta de papel

Country Status (15)

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

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
DE69026105T2 (de) * 1989-10-19 1996-09-26 Univ North Carolina Hochleistendes verfahren zum bleichen von zellstoff mit chlordioxyd
US5268075A (en) * 1989-10-19 1993-12-07 North Carolina State University High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process
WO1991005910A1 (en) * 1989-10-19 1991-05-02 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
EP0925401B1 (fr) * 1996-09-11 2002-01-16 SOLVAY INTEROX (Société Anonyme) Procede de blanchiment de pate a papier
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
JP2020514564A (ja) 2020-05-21
EP3571347B1 (fr) 2020-10-28
ZA201904595B (en) 2020-02-26
EP3571347A1 (fr) 2019-11-27
KR102531578B1 (ko) 2023-05-12
FR3062138B1 (fr) 2019-06-07
KR20190104340A (ko) 2019-09-09
RU2747664C2 (ru) 2021-05-11
AR110905A1 (es) 2019-05-15
PT3571347T (pt) 2020-12-11
CN110177909A (zh) 2019-08-27
RU2019121768A (ru) 2021-01-11
WO2018134525A1 (fr) 2018-07-26
CL2019001865A1 (es) 2019-11-22
BR112019014480B1 (pt) 2023-02-23
US11384480B2 (en) 2022-07-12
CA3049171A1 (en) 2018-07-26
US20190345672A1 (en) 2019-11-14
RU2019121768A3 (es) 2021-03-24
BR112019014480A2 (pt) 2020-02-11
FR3062138A1 (fr) 2018-07-27

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Legal Events

Date Code Title Description
109 Application deemed to be withdrawn

Effective date: 20240506