ATE163697T1 - Verfahren zur delignifizierung von chemischen zellstoffen - Google Patents

Verfahren zur delignifizierung von chemischen zellstoffen

Info

Publication number
ATE163697T1
ATE163697T1 AT93201887T AT93201887T ATE163697T1 AT E163697 T1 ATE163697 T1 AT E163697T1 AT 93201887 T AT93201887 T AT 93201887T AT 93201887 T AT93201887 T AT 93201887T AT E163697 T1 ATE163697 T1 AT E163697T1
Authority
AT
Austria
Prior art keywords
delignification
chemical pulp
pulp
chemical
Prior art date
Application number
AT93201887T
Other languages
English (en)
Inventor
Johan Devenyns
Original Assignee
Solvay Interox
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=ATE163697(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Solvay Interox filed Critical Solvay Interox
Application granted granted Critical
Publication of ATE163697T1 publication Critical patent/ATE163697T1/de

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)
AT93201887T 1992-07-06 1993-06-29 Verfahren zur delignifizierung von chemischen zellstoffen ATE163697T1 (de)

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
ATE163697T1 true ATE163697T1 (de) 1998-03-15

Family

ID=3886355

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93201887T ATE163697T1 (de) 1992-07-06 1993-06-29 Verfahren zur delignifizierung von chemischen zellstoffen

Country Status (15)

Country Link
US (1) US5552018A (de)
EP (1) EP0578305B1 (de)
JP (1) JPH06166976A (de)
AR (1) AR247259A1 (de)
AT (1) ATE163697T1 (de)
AU (1) AU654624B2 (de)
BE (1) BE1006057A3 (de)
BR (1) BR9302765A (de)
CA (1) CA2099513A1 (de)
DE (1) DE69317169T2 (de)
ES (1) ES2115719T3 (de)
FI (1) FI933104L (de)
NZ (1) NZ248028A (de)
SI (1) SI9300363A (de)
SK (1) SK70393A3 (de)

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
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
FR2754550B1 (fr) * 1996-10-15 1998-11-06 Chemoxal Sa Procede pour la delignification et/ou le blanchiment d'une pate a papier
EP0801170A1 (de) * 1996-04-12 1997-10-15 Chemoxal Sa Verfahren zur Delignifizierung und/oder Bleichen eines Papierzellstoffs
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
JP4242272B2 (ja) * 2001-06-06 2009-03-25 サーモフオス・トレーデイング・ゲー・エム・ベー・ハー 改良パルプの製造法およびその水性組成物
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
WO2010066026A1 (en) 2008-12-08 2010-06-17 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
US7927854B1 (en) * 2009-12-07 2011-04-19 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
US8389254B2 (en) * 2010-03-26 2013-03-05 E.I. Du Pont 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
WO2011119708A1 (en) 2010-03-26 2011-09-29 E.I. Dupont De Nemours And Company Perhydrolase providing improved specific activity
WO2011119712A1 (en) 2010-03-26 2011-09-29 E.I. Dupont 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
WO2011119714A1 (en) 2010-03-26 2011-09-29 E.I. Dupont De Nemours And Company Perhydrolase providing improved specific activity
RU2660373C2 (ru) 2010-12-20 2018-07-05 Е.И.Дюпон Де Немур Энд Компани Ферментативное образование перкислоты для применения в продуктах для ухода за полостью рта
EP2655646A4 (de) 2010-12-20 2014-05-21 Du Pont Gezielte perhydrolasen
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
WO2012087785A1 (en) 2010-12-21 2012-06-28 E.I. Dupont 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
WO2012087792A1 (en) 2010-12-21 2012-06-28 E.I. Dupont 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
WO2012087787A1 (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
US8557556B2 (en) 2011-10-25 2013-10-15 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
US8546120B2 (en) 2011-10-25 2013-10-01 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
US8956843B2 (en) 2011-10-25 2015-02-17 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
US8962294B2 (en) 2011-10-25 2015-02-24 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
US8546119B2 (en) 2011-10-25 2013-10-01 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
EP2831250B1 (de) 2012-03-30 2021-11-24 DuPont US Holding, LLC Enzyme zur herstellung von persäure
WO2013148185A1 (en) 2012-03-30 2013-10-03 E. I. Du Pont De Nemours And Company Enzymes useful for peracid production
EP2831253B1 (de) 2012-03-30 2021-11-24 DuPont US Holding, LLC Enzyme zur herstellung von persäure
MX2014011651A (es) 2012-03-30 2015-02-13 Du Pont Enzimas utiles para la produccion de peracidos.
US8865436B2 (en) 2012-03-30 2014-10-21 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
BR9302765A (pt) 1994-02-08
DE69317169T2 (de) 1998-10-08
CA2099513A1 (fr) 1994-01-07
EP0578305B1 (de) 1998-03-04
SK70393A3 (en) 1994-05-11
AR247259A1 (es) 1994-11-30
FI933104A7 (fi) 1994-01-07
AU654624B2 (en) 1994-11-10
FI933104L (fi) 1994-01-07
US5552018A (en) 1996-09-03
SI9300363A (en) 1994-03-31
BE1006057A3 (fr) 1994-05-03
NZ248028A (en) 1995-12-21
ES2115719T3 (es) 1998-07-01
EP0578305A1 (de) 1994-01-12
DE69317169D1 (de) 1998-04-09
FI933104A0 (fi) 1993-07-06
JPH06166976A (ja) 1994-06-14
AU4170693A (en) 1994-01-13

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