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 (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
BR9307520A (pt) † 1992-11-27 1999-08-31 Eka Nobel Ab Processo para o alvejamento de polpa contendo lignocelulose
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
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
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
MY138251A (en) * 2001-06-06 2009-05-29 Thermphos Trading Gmbh Method for inhibiting calcium salt scale
EP1392914B1 (en) 2001-06-06 2010-12-22 Dequest AG 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
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
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
US7910347B1 (en) 2009-12-07 2011-03-22 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
US7927854B1 (en) 2009-12-07 2011-04-19 E. I. Du Pont De Nemours And Company Perhydrolase providing improved peracid stability
US8445242B2 (en) * 2010-03-26 2013-05-21 E. I. Du Pont De Nemours And Company Perhydrolase providing improved specific activity
WO2011119710A1 (en) 2010-03-26 2011-09-29 E.I. Dupont De Nemours And Company Perhydrolase providing improved specific activity
CN102906256B (zh) 2010-03-26 2014-08-06 纳幕尔杜邦公司 用于纯化蛋白质的方法
US8389254B2 (en) * 2010-03-26 2013-03-05 E.I. Du Pont De Nemours And Company Perhydrolase providing improved specific activity
US8450091B2 (en) * 2010-03-26 2013-05-28 E. I. Du Pont De Nemours And Company Perhydrolase providing improved specific activity
CN102822281A (zh) 2010-03-26 2012-12-12 纳幕尔杜邦公司 包含聚芳硫醚的聚合物熔体
EP2654695B8 (en) 2010-12-20 2020-03-04 DuPont US Holding, LLC Enzymatic peracid generation for use in oral care products
CN103261430A (zh) 2010-12-20 2013-08-21 纳幕尔杜邦公司 靶向过水解酶
WO2012087790A1 (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
WO2012087793A1 (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
US8394616B2 (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
US8394617B2 (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
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
US8809030B2 (en) 2011-10-25 2014-08-19 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
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
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
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
WO2013148184A1 (en) 2012-03-30 2013-10-03 E. I. Du Pont De Nemours And Company Enzymes useful for peracid production
RU2644330C2 (ru) 2012-03-30 2018-02-08 Е.И. Дюпон Де Немур Энд Компани Ферменты, пригодные для получения перкислот
CN104350154B (zh) 2012-03-30 2020-12-29 纳幕尔杜邦公司 对于过酸的生产有用的酶
US8911977B2 (en) 2012-03-30 2014-12-16 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

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.
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
JPH06166976A (ja) 1994-06-14
FI933104A0 (fi) 1993-07-06
DE69317169T2 (de) 1998-10-08
DE69317169D1 (de) 1998-04-09
BE1006057A3 (fr) 1994-05-03
AU654624B2 (en) 1994-11-10
EP0578305A1 (fr) 1994-01-12
NZ248028A (en) 1995-12-21
ATE163697T1 (de) 1998-03-15
US5552018A (en) 1996-09-03
AU4170693A (en) 1994-01-13
BR9302765A (pt) 1994-02-08
EP0578305B1 (fr) 1998-03-04
AR247259A1 (es) 1994-11-30
FI933104A (fi) 1994-01-07
ES2115719T3 (es) 1998-07-01
SI9300363A (en) 1994-03-31
CA2099513A1 (fr) 1994-01-07

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