AR247259A1 - Procedimiento para el mejoramiento de la selectividad de la deslignificacion de pasta de papel quimica por medio de un peroxiacido organico - Google Patents

Procedimiento para el mejoramiento de la selectividad de la deslignificacion de pasta de papel quimica por medio de un peroxiacido organico

Info

Publication number
AR247259A1
AR247259A1 AR93325342A AR32534293A AR247259A1 AR 247259 A1 AR247259 A1 AR 247259A1 AR 93325342 A AR93325342 A AR 93325342A AR 32534293 A AR32534293 A AR 32534293A AR 247259 A1 AR247259 A1 AR 247259A1
Authority
AR
Argentina
Prior art keywords
delignification
chemical pulp
peroxiacide
organic
pulp
Prior art date
Application number
AR93325342A
Other languages
English (en)
Original Assignee
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=AR247259(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Solvay Interox Sa filed Critical Solvay Interox Sa
Application granted granted Critical
Publication of AR247259A1 publication Critical patent/AR247259A1/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
    • D21C9/16—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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Abstract

PROCEDIMIENTO PARA EL MEJORAMIENTO DE LA SELECTIVIDAD DE LA DESLIGNIFICACION DE UNA PASTA DE PAPEL QUIMICA POR MEDIO DE UN PEROXIACIDO ORGANICO SEGUN EL CUAL SE TRATA LA PASTA CRUDA PROVENIENTE DE LA OPERACION DE COCCION CON UNA SOLUCION ACUOSA DEL PEROXIACIDO ORGANICO EN PRESENCIA DE UN ESTABILIZANTE DEL PEROXACIDO, EL ESTABILIZANTE COMPRENDE UN COMPUESTO SELECCIONADO ENTRE LA CLASE DEACIDOS FOSFONICOS Y SUS SALES.
AR93325342A 1992-07-06 1993-07-05 Procedimiento para el mejoramiento de la selectividad de la deslignificacion de pasta de papel quimica por medio de un peroxiacido organico AR247259A1 (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
AR247259A1 true AR247259A1 (es) 1994-11-30

Family

ID=3886355

Family Applications (1)

Application Number Title Priority Date Filing Date
AR93325342A AR247259A1 (es) 1992-07-06 1993-07-05 Procedimiento para el mejoramiento de la selectividad de la deslignificacion de pasta de papel quimica por medio de un peroxiacido organico

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
DE69304342T3 (de) † 1992-11-27 2004-07-01 Eka Chemicals Ab Verfahren zum bleichen von lignocellulose-enthaltendem zellstoff
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
FR2754550B1 (fr) * 1996-10-15 1998-11-06 Chemoxal Sa Procede pour la delignification et/ou le blanchiment d'une pate a papier
FR2747408B1 (fr) * 1996-04-12 1998-05-15 Air Liquide 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
EP0801170A1 (fr) * 1996-04-12 1997-10-15 Chemoxal Sa Procédé pour la délignification et/ou le blanchiment d'une pâte à 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
MY138251A (en) * 2001-06-06 2009-05-29 Thermphos Trading Gmbh Method for inhibiting calcium salt scale
WO2002099184A2 (en) * 2001-06-06 2002-12-12 Solutia Inc. Method and aqueous composition for the production of improved pulp
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
US20100224336A1 (en) * 2005-12-14 2010-09-09 University Of Maine System Board Of Trustees Process of bleaching a wood pulp
US20070131364A1 (en) * 2005-12-14 2007-06-14 University Of Maine Process for treating a cellulose-lignin pulp
US8591702B2 (en) 2008-12-08 2013-11-26 Fpinnovations Increasing alkaline pulping yield for softwood with metal ions
US7923233B1 (en) 2009-12-07 2011-04-12 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
US7932072B1 (en) 2009-12-07 2011-04-26 E. I. Du Pont De Nemours And Company Perhydrolase providing improved peracid stability
US7910347B1 (en) 2009-12-07 2011-03-22 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
US8586339B2 (en) 2010-03-26 2013-11-19 E. I. Du Pont De Nemours And Company Facilitated process for purification of proteins
WO2011119710A1 (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
US8450091B2 (en) * 2010-03-26 2013-05-28 E. I. Du Pont De Nemours And Company Perhydrolase providing improved specific activity
WO2011119706A1 (en) 2010-03-26 2011-09-29 E.I. Dupont 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
WO2012087970A2 (en) 2010-12-20 2012-06-28 E. I. Du Pont De Nemours And Company Enzymatic peracid generation for use in oral care products
WO2012087966A2 (en) 2010-12-20 2012-06-28 E. I. Du Pont De Nemours And Company Targeted perhydrolases
US8394617B2 (en) 2010-12-21 2013-03-12 E.I. Du Pont 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
WO2012087790A1 (en) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Perhydrolase variant providing improved specific activity
US8399234B2 (en) 2010-12-21 2013-03-19 E.I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
WO2012087787A1 (en) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Perhydrolase variant providing improved specific activity
US8394616B2 (en) 2010-12-21 2013-03-12 E.I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
WO2012087785A1 (en) 2010-12-21 2012-06-28 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
US8956843B2 (en) 2011-10-25 2015-02-17 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
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
US8501447B2 (en) 2011-10-25 2013-08-06 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
US8809030B2 (en) 2011-10-25 2014-08-19 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
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
WO2013148188A1 (en) 2012-03-30 2013-10-03 E. I. Du Pont De Nemours And Company Enzymes useful for peracid production
WO2013148187A1 (en) 2012-03-30 2013-10-03 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
MX2014011643A (es) 2012-03-30 2014-10-24 Du Pont Enzimas utiles para la produccion de peracidos.
RU2636466C2 (ru) 2012-03-30 2017-11-23 Е.И.Дюпон Де Немур Энд Компани Получение перкислот и композиции с использованием фермента, обладающего пергидролитической активностью

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
DE69004492T3 (de) * 1989-06-06 2001-11-15 Eka Nobel Ab, Bohus Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
US5246543A (en) * 1989-08-18 1993-09-21 Degussa Corporation Process for bleaching and delignification of lignocellulosic materials

Also Published As

Publication number Publication date
ATE163697T1 (de) 1998-03-15
DE69317169D1 (de) 1998-04-09
AU654624B2 (en) 1994-11-10
FI933104A (fi) 1994-01-07
SI9300363A (en) 1994-03-31
CA2099513A1 (fr) 1994-01-07
JPH06166976A (ja) 1994-06-14
EP0578305B1 (fr) 1998-03-04
BR9302765A (pt) 1994-02-08
SK70393A3 (en) 1994-05-11
NZ248028A (en) 1995-12-21
BE1006057A3 (fr) 1994-05-03
US5552018A (en) 1996-09-03
DE69317169T2 (de) 1998-10-08
FI933104A0 (fi) 1993-07-06
AU4170693A (en) 1994-01-13
ES2115719T3 (es) 1998-07-01
EP0578305A1 (fr) 1994-01-12

Similar Documents

Publication Publication Date Title
AR247259A1 (es) Procedimiento para el mejoramiento de la selectividad de la deslignificacion de pasta de papel quimica por medio de un peroxiacido organico
FR2544758B1 (fr) Recuperation des produits chimiques de la liqueur residuaire de pate a papier
MX168021B (es) Aparato para establecer trayectorias de comunicacion
MX9205244A (es) Micelas modificadas de caseina.
ATE16117T1 (de) Waeschebleichmittelprodukt mit geregelter freigabe des bleichmittels.
ES2086183T3 (es) Procedimiento para la deslignificacion de una pasta papelera quimica.
IT7924558A0 (it) Procedimento per la preparazione di un elettrodo catalitico, particolarmente per la produzione del cloro e di soda caustica.
FR2672315B1 (fr) Nouveau procede de raffinage de la pate a papier.
ES417853A1 (es) Sistema de batido transversal para la recoleccion de uva.
BE810468A (fr) Procede ameliore de blanchiment de la pate a papier
AR241586A1 (es) Procedimiento para la preparacion de sales de potasio a partir del licor agotado proveniente de la formacion de pasta de material lignocelulosicos.
ATA53288A (de) Walzenpresse fuer die behandlung bahnfoermigen gutes, wie z.b. papierbahnen
BE799690A (fr) Procede pour separer l'hydroxyacetone des produits de decomposition de l'hydroperoxyde de cumene,
IT1223330B (it) Processo per la sintesi di una n n dialchil idrossilammina
ES2079209T3 (es) Procedimiento para el blanqueo y deslignificacion de pastas papeleras quimicas.
FR2579639B1 (fr) Procede et appareil pour la recuperation de produits chimiques a partir de lessive epuisee de pate a papier
ES382434A1 (es) Procedimiento para preparar colorantes de tina.
ES416375A1 (es) Barra para lizos.
GB190317066A (en) Improvements relating to Toilet Paper
OA06169A (fr) Procédé anti-polluant de blanchiment de la pâte à papier.
SU7739A1 (ru) Гаечный ключ
ATE109842T1 (de) Verfahren zum wasserstoffperoxydbleichen von hochausbeute-zellstoffen.
ATE109529T1 (de) Verfahren zum wasserstoffperoxydbleichen von hochausbeutezellstoffen.
JPS5215817A (en) Germicide and fungicide for paper pulp industry
GB190206339A (en) An Improved Box for the Conveyance of Cut Flowers