SK70393A3 - Method of delignification of chemical paper stock - Google Patents

Method of delignification of chemical paper stock Download PDF

Info

Publication number
SK70393A3
SK70393A3 SK703-93A SK70393A SK70393A3 SK 70393 A3 SK70393 A3 SK 70393A3 SK 70393 A SK70393 A SK 70393A SK 70393 A3 SK70393 A3 SK 70393A3
Authority
SK
Slovakia
Prior art keywords
pulp
peroxyacid
acid
delignification
treatment
Prior art date
Application number
SK703-93A
Other languages
English (en)
Slovak (sk)
Inventor
Johan Devenyns
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=SK70393(A3) "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
Publication of SK70393A3 publication Critical patent/SK70393A3/sk

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)
SK703-93A 1992-07-06 1993-07-02 Method of delignification of chemical paper stock SK70393A3 (en)

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
SK70393A3 true SK70393A3 (en) 1994-05-11

Family

ID=3886355

Family Applications (1)

Application Number Title Priority Date Filing Date
SK703-93A SK70393A3 (en) 1992-07-06 1993-07-02 Method of delignification of chemical paper stock

Country Status (15)

Country Link
US (1) US5552018A (fr)
EP (1) EP0578305B1 (fr)
JP (1) JPH06166976A (fr)
AR (1) AR247259A1 (fr)
AT (1) ATE163697T1 (fr)
AU (1) AU654624B2 (fr)
BE (1) BE1006057A3 (fr)
BR (1) BR9302765A (fr)
CA (1) CA2099513A1 (fr)
DE (1) DE69317169T2 (fr)
ES (1) ES2115719T3 (fr)
FI (1) FI933104A7 (fr)
NZ (1) NZ248028A (fr)
SI (1) SI9300363A (fr)
SK (1) SK70393A3 (fr)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL309190A1 (en) † 1992-11-27 1995-09-18 Eka Nobel Ab Method of bleaching a lignocellulose containing pulp
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
EP0801170A1 (fr) * 1996-04-12 1997-10-15 Chemoxal Sa Procédé pour la délignification et/ou le blanchiment d'une pâte à papier
FR2747406B1 (fr) * 1996-04-12 1998-08-28 Air Liquide Procede de delignification a l'oxygene 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
FR2754550B1 (fr) * 1996-10-15 1998-11-06 Chemoxal Sa Procede pour la delignification et/ou le blanchiment 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
MY138251A (en) * 2001-06-06 2009-05-29 Thermphos Trading Gmbh Method for inhibiting calcium salt scale
MY129053A (en) * 2001-06-06 2007-03-30 Thermphos Trading Gmbh Composition for inhibiting calcium salt scale
PT1392914E (pt) * 2001-06-06 2011-02-03 Dequest Ag Método para a produção de pasta melhorada
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
CA2745466C (fr) 2008-12-08 2013-04-09 Fpinnovations Rendement de mise en pate alcaline accru pour bois de resineux avec des ions metalliques
US7960528B1 (en) * 2009-12-07 2011-06-14 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
US7910347B1 (en) 2009-12-07 2011-03-22 E. I. Du Pont De Nemours And Company Perhydrolase providing improved peracid stability
WO2011119708A1 (fr) 2010-03-26 2011-09-29 E.I. Dupont De Nemours And Company Perhydrolase permettant d'obtenir une activité spécifique améliorée
WO2011119712A1 (fr) 2010-03-26 2011-09-29 E.I. Dupont De Nemours And Company Perhydrolase permettant d'obtenir une activité spécifique améliorée
WO2011119710A1 (fr) 2010-03-26 2011-09-29 E.I. Dupont De Nemours And Company Perhydrolase permettant d'obtenir une activité spécifique améliorée
WO2011119714A1 (fr) 2010-03-26 2011-09-29 E.I. Dupont De Nemours And Company Perhydrolase permettant d'obtenir une activité spécifique améliorée
EP2553092B1 (fr) 2010-03-26 2014-04-23 E.I. Du Pont De Nemours And Company Procédé simplifié de purification des protéines
WO2011119706A1 (fr) 2010-03-26 2011-09-29 E.I. Dupont De Nemours And Company Perhydrolase permettant d'obtenir une activité spécifique améliorée
WO2012087966A2 (fr) 2010-12-20 2012-06-28 E. I. Du Pont De Nemours And Company Perhydrolases ciblées
BR112013015459B8 (pt) 2010-12-20 2018-06-12 Du Pont método, produto de cuidado oral e composição de geração de perácido
WO2012087785A1 (fr) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Variant de perhydrolase permettant l'augmentation d'une activité spécifique
US8389256B2 (en) 2010-12-21 2013-03-05 E.I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
WO2012087792A1 (fr) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Variant de perhydrolase permettant l'augmentation d'une activité spécifique
WO2012087788A1 (fr) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Variant de perhydrolase permettant l'augmentation d'une activité spécifique
US8394616B2 (en) 2010-12-21 2013-03-12 E.I. Du Pont 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 (fr) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Variant de perhydrolase permettant l'augmentation d'une activité spécifique
WO2012087790A1 (fr) 2010-12-21 2012-06-28 E.I. Dupont De Nemours And Company Variant de perhydrolase permettant l'augmentation d'une activité spécifique
US8546120B2 (en) 2011-10-25 2013-10-01 E. I. Du Pont 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
WO2013062885A1 (fr) 2011-10-25 2013-05-02 E.I. Dupont De Nemours And Company Variant de perhydrolase permettant une activité spécifique améliorée
US8956843B2 (en) 2011-10-25 2015-02-17 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
US8809030B2 (en) 2011-10-25 2014-08-19 E. I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
US8546119B2 (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 (fr) 2011-12-19 2013-06-27 E. I. Du Pont De Nemours And Company Variants de perhydrolase présentant une activité spécifique améliorée en présence de tensioactif
EP2831250B1 (fr) 2012-03-30 2021-11-24 DuPont US Holding, LLC Enzymes utiles pour la production de peracide
MX2014011654A (es) 2012-03-30 2014-10-24 Du Pont Enzimas utiles para la produccion de peracidos.
BR112014024216B1 (pt) 2012-03-30 2022-04-05 E.I. Du Pont De Nemours And Company Processo para a produção de um ácido peroxicarboxílico, composição e sistema de geração e fornecimento de perácido
US8841098B2 (en) 2012-03-30 2014-09-23 E.I. Du Pont De Nemours And Company Enzymes useful for peracid production
JP6335874B2 (ja) 2012-03-30 2018-05-30 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 過酸生成に有用な酵素

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.
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
FI933104A0 (fi) 1993-07-06
FI933104L (fi) 1994-01-07
BE1006057A3 (fr) 1994-05-03
AU654624B2 (en) 1994-11-10
SI9300363A (en) 1994-03-31
AU4170693A (en) 1994-01-13
ATE163697T1 (de) 1998-03-15
CA2099513A1 (fr) 1994-01-07
JPH06166976A (ja) 1994-06-14
FI933104A7 (fi) 1994-01-07
NZ248028A (en) 1995-12-21
BR9302765A (pt) 1994-02-08
EP0578305B1 (fr) 1998-03-04
AR247259A1 (es) 1994-11-30
ES2115719T3 (es) 1998-07-01
US5552018A (en) 1996-09-03
DE69317169D1 (de) 1998-04-09
DE69317169T2 (de) 1998-10-08
EP0578305A1 (fr) 1994-01-12

Similar Documents

Publication Publication Date Title
US5552018A (en) A process for delignifying pulp with organic peroxyacid in the presence of phosphonic acids and their salts
DE69012931T2 (de) Verfahren zum Bleichen und zur Delignifizierung von lignozellulosehaltigen Materialien.
JP4499280B2 (ja) 過酸による化学パルプの漂白
US6221209B1 (en) Multi-stage bleaching process having a final stabilized peroxide stage
CZ282692B6 (cs) Způsob delignifikace buničiny obsahující lignocelulozu
US5645686A (en) Process for bleaching a pulp in a sequence including an enzyme stage
AU666375B2 (en) Process for the delignification of a chemical paper pulp
US5698075A (en) Process for bleaching a chemical paper pulp in an oxygen-peroxymonosulfuric acid-hydrogen peroxide sequence
CA2149649C (fr) Procede de blanchiment de pate contenant de la lignocellulose
AU660326B2 (en) Process for improving the selectivity of the delignification of a chemical paper pulp
CA2202445A1 (fr) Processus de delignification et/ou de blanchiment de la pate a papier
BE1006881A3 (fr) Procede pour la delignification d'une pate a papier chimique.
RU2097462C1 (ru) Способ делигнификации и отбеливания лигноцеллюлозосодержащей пульпы
JPH10500178A (ja) ケミカルペーパーパルプの漂白方法
CZ297592A3 (en) Method of improving lignin splitting selectivity of a paper pulp
JPH0748792A (ja) ペーパーパルプの漂白方法
NZ274852A (en) Pulp bleaching process comprising steps qpa in that order (ie decontamination, alkaline hydrogen peroxide bleaching, non peroxygenated acid)