ES2115719T3 - Procedimiento para la deslignizacion de una pasta papelera quimica. - Google Patents

Procedimiento para la deslignizacion de una pasta papelera quimica.

Info

Publication number
ES2115719T3
ES2115719T3 ES93201887T ES93201887T ES2115719T3 ES 2115719 T3 ES2115719 T3 ES 2115719T3 ES 93201887 T ES93201887 T ES 93201887T ES 93201887 T ES93201887 T ES 93201887T ES 2115719 T3 ES2115719 T3 ES 2115719T3
Authority
ES
Spain
Prior art keywords
procedure
paper pulp
delignization
chemical paper
peroxiacide
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
ES93201887T
Other languages
English (en)
Inventor
Johan Devenyns
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3886355&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2115719(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SOLVAY INTEROX, Solvay Interox SA filed Critical SOLVAY INTEROX
Application granted granted Critical
Publication of ES2115719T3 publication Critical patent/ES2115719T3/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
    • 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

Abstract

PROCEDIMIENTO PARA MEJORAR LA SELECTIVIDAD DE LA DESLIGNIFICACION DE UNA PASTA DE PAPEL QUIMICA POR MEDIO DE UN PEROXIACIDO CONFORME SE TRATA LA PASTA NO CURADA, PROVENIENTE DE LA OPERACION DE COCCION MEDIANTE UNA SOLUCION ACUOSA DE ESTE PEROXIACIDO ORGANICO, EN PRESENCIA DE, AL MENOS, UN ESTABILIZANTE SELECCIONADO ENTRE LOS ACIDOS FOSFONICOS Y SUS SALES.
ES93201887T 1992-07-06 1993-06-29 Procedimiento para la deslignizacion de una pasta papelera quimica. Expired - Lifetime ES2115719T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9200627A BE1006057A3 (fr) 1992-07-06 1992-07-06 Procede pour la delignification d'une pate a papier chimique.

Publications (1)

Publication Number Publication Date
ES2115719T3 true ES2115719T3 (es) 1998-07-01

Family

ID=3886355

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93201887T Expired - Lifetime ES2115719T3 (es) 1992-07-06 1993-06-29 Procedimiento para la deslignizacion de una pasta papelera quimica.

Country Status (15)

Country Link
US (1) US5552018A (es)
EP (1) EP0578305B1 (es)
JP (1) JPH06166976A (es)
AR (1) AR247259A1 (es)
AT (1) ATE163697T1 (es)
AU (1) AU654624B2 (es)
BE (1) BE1006057A3 (es)
BR (1) BR9302765A (es)
CA (1) CA2099513A1 (es)
DE (1) DE69317169T2 (es)
ES (1) ES2115719T3 (es)
FI (1) FI933104A (es)
NZ (1) NZ248028A (es)
SI (1) SI9300363A (es)
SK (1) SK70393A3 (es)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ258273A (en) † 1992-11-27 1996-08-27 Eka Nobel Ab Bleaching lignocellulose pulp using a complexing agent followed by a peracid
BE1006881A3 (fr) * 1993-03-02 1995-01-17 Solvay Interox Procede pour la delignification d'une pate a papier chimique.
DE19516151A1 (de) 1995-05-03 1996-11-07 Sven Siegle Verfahren zur Herstellung einer Pulpe aus zellulosehaltigem Material, die Pulpe selbst und deren Verwendung
FR2747408B1 (fr) * 1996-04-12 1998-05-15 Air Liquide Procede pour la delignification et/ou le blanchiment d'une pate a papier
EP0801170A1 (fr) * 1996-04-12 1997-10-15 Chemoxal Sa Procédé pour la délignification et/ou le blanchiment d'une pâte à papier
FR2754550B1 (fr) * 1996-10-15 1998-11-06 Chemoxal Sa Procede pour la delignification et/ou le blanchiment d'une pate a papier
FR2747406B1 (fr) * 1996-04-12 1998-08-28 Air Liquide Procede de delignification a l'oxygene d'une pate a papier
US5939059A (en) * 1997-08-13 1999-08-17 Akzo Nobel Nv Hair conditioner and 2 in 1 conditioning shampoo
FI112958B (fi) * 1997-12-19 2004-02-13 Kemira Oyj Menetelmä kemiallisen massan valkaisemiseksi sekä valkaisuliuoksen käyttö
MY129053A (en) * 2001-06-06 2007-03-30 Thermphos Trading Gmbh Composition for inhibiting calcium salt scale
ATE492682T1 (de) * 2001-06-06 2011-01-15 Dequest Ag Verfahren und wässerige zusammensetzung zur herstellung von verbessertem zellstoff
MY138251A (en) * 2001-06-06 2009-05-29 Thermphos Trading Gmbh Method for inhibiting calcium salt scale
FI111745B (fi) * 2001-12-19 2003-09-15 Kemira Chemicals Oy Parannettu kartonginvalmistusmenetelmä
GB2391011A (en) * 2002-07-19 2004-01-28 Crosmill Ltd Bleaching cellulose suspensions
US20070131364A1 (en) * 2005-12-14 2007-06-14 University Of Maine Process for treating a cellulose-lignin pulp
US20100224336A1 (en) * 2005-12-14 2010-09-09 University Of Maine System Board Of Trustees Process of bleaching a wood pulp
CA2745466C (en) 2008-12-08 2013-04-09 Fpinnovations Increasing alkaline pulping yield for softwood with metal ions
US7910347B1 (en) 2009-12-07 2011-03-22 E. I. Du Pont De Nemours And Company Perhydrolase providing improved peracid stability
US7923233B1 (en) * 2009-12-07 2011-04-12 E. I. Du Pont De Nemours And Company Perhydrolase providing improved peracid stability
US7927854B1 (en) 2009-12-07 2011-04-19 E. I. Du Pont De Nemours And Company Perhydrolase providing improved peracid stability
US7932072B1 (en) 2009-12-07 2011-04-26 E. I. Du Pont De Nemours And Company Perhydrolase providing improved peracid stability
US7960528B1 (en) 2009-12-07 2011-06-14 E. I. Du Pont De Nemours And Company Perhydrolase providing improved peracid stability
WO2011119712A1 (en) 2010-03-26 2011-09-29 E.I. Dupont De Nemours And Company Perhydrolase providing improved specific activity
US8389254B2 (en) * 2010-03-26 2013-03-05 E.I. Du Pont De Nemours And Company Perhydrolase providing improved specific activity
US8389255B2 (en) * 2010-03-26 2013-03-05 E.I. De Pont De Nemours And Company Perhydrolase providing improved specific activity
WO2011119708A1 (en) 2010-03-26 2011-09-29 E.I. Dupont De Nemours And Company Perhydrolase providing improved specific activity
JP2013523914A (ja) 2010-03-26 2013-06-17 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー ポリアリーレンスルフィド含有ポリマー溶融物
US8586339B2 (en) 2010-03-26 2013-11-19 E. I. Du Pont De Nemours And Company Facilitated process for purification of proteins
JP6359831B2 (ja) 2010-12-20 2018-07-18 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーＥ．Ｉ．Ｄｕ Ｐｏｎｔ Ｄｅ Ｎｅｍｏｕｒｓ Ａｎｄ Ｃｏｍｐａｎｙ 口腔ケア製品において使用するための酵素的な過酸の発生
US8652455B2 (en) 2010-12-20 2014-02-18 E I Du Pont De Nemours And Company Targeted perhydrolases
WO2012087785A1 (en) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Perhydrolase variant providing improved specific activity
WO2012087788A1 (en) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Perhydrolase variant providing improved specific activity
WO2012087790A1 (en) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Perhydrolase variant providing improved specific activity
US8389259B2 (en) 2010-12-21 2013-03-05 E.I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
WO2012087786A1 (en) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Perhydrolase variant providing improved specific activity
WO2012087789A1 (en) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Perhydrolase variant providing improved specific activity
US8389257B2 (en) 2010-12-21 2013-03-05 E. I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
US8389256B2 (en) 2010-12-21 2013-03-05 E.I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
US8809030B2 (en) 2011-10-25 2014-08-19 E. I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
WO2013062885A1 (en) 2011-10-25 2013-05-02 E.I. Dupont De Nemours And Company Perhydrolase variant providing improved specific activity
US8557556B2 (en) 2011-10-25 2013-10-15 E. I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
US8735125B2 (en) 2011-10-25 2014-05-27 E. I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
US8501447B2 (en) 2011-10-25 2013-08-06 E. I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
US8962294B2 (en) 2011-10-25 2015-02-24 E. I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
US8956843B2 (en) 2011-10-25 2015-02-17 E. I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
US8546120B2 (en) 2011-10-25 2013-10-01 E. I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
US8486679B2 (en) 2011-10-25 2013-07-16 E. I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
WO2013096045A1 (en) 2011-12-19 2013-06-27 E. I. Du Pont De Nemours And Company Perhydrolase variants providing improved specific activity in the presence of surfactant
EP2831252B1 (en) 2012-03-30 2021-11-24 DuPont US Holding, LLC Enzymes useful for peracid production
WO2013148188A1 (en) 2012-03-30 2013-10-03 E. I. Du Pont De Nemours And Company Enzymes useful for peracid production
WO2013148185A1 (en) 2012-03-30 2013-10-03 E. I. Du Pont De Nemours And Company Enzymes useful for peracid production
US8865435B2 (en) 2012-03-30 2014-10-21 E. I. Du Pont De Nemours And Company Enzymes useful for peracid production
EP2831253B1 (en) 2012-03-30 2021-11-24 DuPont US Holding, LLC Enzymes useful for peracid production

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1014536A (fr) * 1940-04-01 1952-08-18 Du Pont Perfectionnements au blanchiment des pâtes de bois
DE3005947B1 (de) * 1980-02-16 1981-01-29 Degussa Verfahren zur Bleiche von Zellstoffen mittels organischer Persaeure
JPS5721591A (en) * 1980-07-11 1982-02-04 Mitsubishi Gas Chemical Co Peroxide bleaching of wood pulp
ATE97179T1 (de) * 1989-06-06 1993-11-15 Eka Nobel Ab 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

Also Published As

Publication number Publication date
SI9300363A (en) 1994-03-31
FI933104A (fi) 1994-01-07
BE1006057A3 (fr) 1994-05-03
CA2099513A1 (fr) 1994-01-07
BR9302765A (pt) 1994-02-08
AU4170693A (en) 1994-01-13
FI933104A0 (fi) 1993-07-06
US5552018A (en) 1996-09-03
DE69317169T2 (de) 1998-10-08
DE69317169D1 (de) 1998-04-09
EP0578305B1 (fr) 1998-03-04
NZ248028A (en) 1995-12-21
AR247259A1 (es) 1994-11-30
AU654624B2 (en) 1994-11-10
EP0578305A1 (fr) 1994-01-12
JPH06166976A (ja) 1994-06-14
ATE163697T1 (de) 1998-03-15
SK70393A3 (en) 1994-05-11

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