ES2094465T3 - Procedimiento para el blanqueo de una pasta de papel quimica. - Google Patents

Procedimiento para el blanqueo de una pasta de papel quimica.

Info

Publication number
ES2094465T3
ES2094465T3 ES93201886T ES93201886T ES2094465T3 ES 2094465 T3 ES2094465 T3 ES 2094465T3 ES 93201886 T ES93201886 T ES 93201886T ES 93201886 T ES93201886 T ES 93201886T ES 2094465 T3 ES2094465 T3 ES 2094465T3
Authority
ES
Spain
Prior art keywords
whitening
procedure
pasta
paper pulp
chemical paper
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES93201886T
Other languages
English (en)
Inventor
Francois Desprez
Johan Devenyns
Nicholas A Troughton
Paul Essemaeker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SOLVAY INTEROX
Solvay Chimie SA
Original Assignee
SOLVAY INTEROX
Solvay Interox SA
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 SOLVAY INTEROX, Solvay Interox SA filed Critical SOLVAY INTEROX
Application granted granted Critical
Publication of ES2094465T3 publication Critical patent/ES2094465T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21C9/16—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 PARA EL BLANQUEAMIENTO DE UNA PASTA DE PAPEL QUIMICO HASTA OBTENER UNA BLANCURA DE, AL MENOS, 89 (POR) ISO, CONSISTENTE EN SOMETER LA PASTA A UNA SECUENCIA DE TRATAMIENTO EN VARIAS ETAPAS, QUE LLEVAN UNA ETAPA FINAL DE BLANQUEAMIENTO AL PEROXIDO DE HIDROGENO EN MEDIO ALCALINO, EFECTUADO EN PRESENCIA DE, AL MENOS, UN AGENTE ESTABILIZANTE Y CON UNA CONSISTENCIA EN PASTA DE, AL MENOS, 25% EN PESO DE MATERIA SECA, HABIENDO PURIFICADO, LAS ETAPAS PRECEDENTES A ESTA ETAPA FINAL, LA PASTA DE TAL MANERA QUE SU CONTENIDO EN MANGANESO NO EXCEDA DE 3 PPM EN PESO CON REFERENCIA A LA MATERIA SECA, Y QUE LA PASTA HAYA SIDO PREVIAMENTE DESLIGNIFICADA HASTA UN INDICE KAPPA QUE NO EXCEDA DE 5.
ES93201886T 1992-07-06 1993-06-29 Procedimiento para el blanqueo de una pasta de papel quimica. Expired - Lifetime ES2094465T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9200626A BE1006056A3 (fr) 1992-07-06 1992-07-06 Procede pour le blanchiment d'une pate a papier chimique.

Publications (1)

Publication Number Publication Date
ES2094465T3 true ES2094465T3 (es) 1997-01-16

Family

ID=3886354

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93201886T Expired - Lifetime ES2094465T3 (es) 1992-07-06 1993-06-29 Procedimiento para el blanqueo de una pasta de papel quimica.

Country Status (15)

Country Link
US (1) US6221209B1 (es)
EP (1) EP0578304B1 (es)
JP (1) JPH06166981A (es)
AR (1) AR247258A1 (es)
AT (1) ATE143074T1 (es)
AU (1) AU654623B2 (es)
BE (1) BE1006056A3 (es)
BR (1) BR9302764A (es)
CA (1) CA2099827A1 (es)
DE (1) DE69304822T2 (es)
ES (1) ES2094465T3 (es)
FI (1) FI111170B (es)
NZ (1) NZ248029A (es)
SI (1) SI9300362A (es)
SK (1) SK70293A3 (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE500616C2 (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
US6605181B1 (en) 1993-10-01 2003-08-12 Kvaerner Pulping Aktiebolag Peroxide bleach sequence including an acidic bleach stage and including a wash stage
BE1007757A3 (fr) * 1993-11-10 1995-10-17 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
FR2719854B1 (fr) * 1994-05-11 1996-06-21 Atochem Elf Sa Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies.
FR2719853B1 (fr) * 1994-05-11 1996-06-21 Atochem Elf Sa Procédé de délignification et de blanchiment d'une pâte à papier chimique.
ZA955290B (en) * 1994-07-11 1996-12-27 Ingersoll Rand Co Peroxide bleaching process for cellulosic and lignocellulosic material
WO1996001921A1 (en) * 1994-07-11 1996-01-25 Beloit Technologies, Inc. High efficiency vessels for bleaching lignocellulosic, cellulosic and synthetic polymeric fibrous materials
US7001484B2 (en) 2000-05-04 2006-02-21 University Of New Brunswick Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent
US7351764B2 (en) * 2004-03-31 2008-04-01 Nalco Company Methods to enhance brightness of pulp and optimize use of bleaching chemicals
FR2912407B1 (fr) * 2007-02-14 2010-10-08 Arkema France Procede de fonctionnalisation des carbohydrates.
WO2008101952A1 (en) * 2007-02-21 2008-08-28 Solvay (Societe Anonyme) Process for the bleaching of paper pulp
BRPI0821031B1 (pt) * 2007-12-20 2018-05-15 Mitsubishi Gas Chemical Company, Inc. Processo para produção de polpa alvejada
EP2082991A1 (en) 2008-01-22 2009-07-29 Thermphos Trading GmbH Method of Water Treatment
EP2090646A1 (en) 2008-01-22 2009-08-19 Thermphos Trading GmbH Surface treatment composition containing phosphonic acid compounds
SE532370C2 (sv) * 2008-02-28 2009-12-29 Metso Paper Inc Metod för blekning av en massa
EP2128331A1 (en) 2008-05-26 2009-12-02 SOLVAY (Société Anonyme) Process for the bleaching of paper pulp
US8034759B2 (en) * 2008-10-31 2011-10-11 Ecolab Usa Inc. Enhanced stability peracid compositions
US8845860B2 (en) 2010-09-16 2014-09-30 Georgia-Pacific Consumer Products Lp High brightness pulps from lignin rich waste papers
MX366988B (es) 2012-01-12 2019-08-01 Gp Cellulose Gmbh Fibra kraft de baja viscosidad que tiene propiedades de amarillez reducida, y metodos para prepararla y usarla.
MX364847B (es) 2012-04-18 2019-05-08 Gp Cellulose Gmbh El uso de surfactante para tratar pulpa y mejorar la incorporacion de pulpa kraft en fibra para la produccion de viscosa y otros productos de fibra secundarios.
JP2022547977A (ja) * 2019-09-11 2022-11-16 ニコベンチャーズ トレーディング リミテッド タバコを白色化するための代替方法
US11937626B2 (en) 2020-09-04 2024-03-26 Nicoventures Trading Limited Method for whitening tobacco

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
GB8620222D0 (en) * 1986-08-20 1986-10-01 Abitibi Price Inc Peroxide bleaching
CA2005369A1 (en) * 1988-12-20 1990-06-20 Madhusudan D. Jayawant Process for improved alkaline oxidative delignification of cellulose pulp
US4946556A (en) * 1989-04-25 1990-08-07 Kamyr, Inc. Method of oxygen delignifying wood pulp with between stage washing
DE402335T1 (de) * 1989-06-06 1992-04-09 Eka Nobel Ab, Surte, Se Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.
US5246543A (en) * 1989-08-18 1993-09-21 Degussa Corporation Process for bleaching and delignification of lignocellulosic materials
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
AT395028B (de) * 1990-02-07 1992-08-25 Chemiefaser Lenzing Ag Verfahren zum chlorfreien bleichen von kunstfaserzellstoff
BR9205490A (pt) * 1991-01-03 1994-04-05 Union Camp Patent Holding Processos para a fabricacao de pasta branqueada tendo um britho GE final de pelo menos cerca de 75 e para a deslignificacao e branqueamento de uma pasta lignocelulosica
SE469842C (sv) * 1992-01-21 1995-09-22 Sunds Defibrator Ind Ab Blekning av kemisk massa med peroxid

Also Published As

Publication number Publication date
FI933103A0 (fi) 1993-07-06
US6221209B1 (en) 2001-04-24
AU654623B2 (en) 1994-11-10
AU4170593A (en) 1994-01-13
DE69304822T2 (de) 1997-04-10
ATE143074T1 (de) 1996-10-15
EP0578304B1 (fr) 1996-09-18
NZ248029A (en) 1995-10-26
JPH06166981A (ja) 1994-06-14
EP0578304A1 (fr) 1994-01-12
DE69304822D1 (de) 1996-10-24
BR9302764A (pt) 1994-02-08
CA2099827A1 (fr) 1994-01-07
FI933103A (fi) 1994-01-07
FI111170B (fi) 2003-06-13
BE1006056A3 (fr) 1994-05-03
AR247258A1 (es) 1994-11-30
SI9300362A (en) 1994-03-31
SK70293A3 (en) 1994-04-06

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