FI933104A0 - Foerfarande foer delignifiering av kemisk pappersmassa - Google Patents

Foerfarande foer delignifiering av kemisk pappersmassa

Info

Publication number
FI933104A0
FI933104A0 FI933104A FI933104A FI933104A0 FI 933104 A0 FI933104 A0 FI 933104A0 FI 933104 A FI933104 A FI 933104A FI 933104 A FI933104 A FI 933104A FI 933104 A0 FI933104 A0 FI 933104A0
Authority
FI
Finland
Prior art keywords
pappersmassa
kemisk
foerfarande foer
delignifiering
foer delignifiering
Prior art date
Application number
FI933104A
Other languages
English (en)
Other versions
FI933104A (fi
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=FI933104(A0) "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
Publication of FI933104A0 publication Critical patent/FI933104A0/fi
Publication of FI933104A publication Critical patent/FI933104A/fi

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)
FI933104A 1992-07-06 1993-07-06 Foerfarande foer delignifiering av kemisk pappersmassa FI933104A (fi)

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 (2)

Publication Number Publication Date
FI933104A0 true FI933104A0 (fi) 1993-07-06
FI933104A FI933104A (fi) 1994-01-07

Family

ID=3886355

Family Applications (1)

Application Number Title Priority Date Filing Date
FI933104A FI933104A (fi) 1992-07-06 1993-07-06 Foerfarande foer delignifiering av kemisk pappersmassa

Country Status (15)

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

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
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
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
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
DK1392914T3 (da) * 2001-06-06 2011-03-28 Dequest Ag Fremgangsmåde og vandig sammensætning til fremstilling af forbedret pulp
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
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
US7927854B1 (en) 2009-12-07 2011-04-19 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
US7960528B1 (en) * 2009-12-07 2011-06-14 E. I. Du Pont De Nemours And Company Perhydrolase providing improved peracid stability
US8206964B2 (en) * 2010-03-26 2012-06-26 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
US8389254B2 (en) * 2010-03-26 2013-03-05 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
US8445242B2 (en) * 2010-03-26 2013-05-21 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
KR20140114269A (ko) 2010-12-20 2014-09-26 이 아이 듀폰 디 네모아 앤드 캄파니 표적화된 과가수분해효소
CA2822422C (en) 2010-12-20 2021-02-02 E. I. Du Pont De Nemours And Company Enzymatic peracid generation for use in oral care products
US8399234B2 (en) 2010-12-21 2013-03-19 E.I. Du Pont De Nemours And Company Perhydrolase variant providing improved specific activity
US8389258B2 (en) 2010-12-21 2013-03-05 E. I. Du Pont 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
WO2012087785A1 (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
US8389257B2 (en) 2010-12-21 2013-03-05 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
US8394617B2 (en) 2010-12-21 2013-03-12 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
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
US8735125B2 (en) 2011-10-25 2014-05-27 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
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
WO2013062885A1 (en) 2011-10-25 2013-05-02 E.I. Dupont 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
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
CN104350153B (zh) 2012-03-30 2018-08-10 纳幕尔杜邦公司 对于过酸的生产有用的酶
BR112014024217B1 (pt) 2012-03-30 2022-04-05 E.I. Du Pont De Nemours And Company Processo de produção de um ácido peroxicarboxílico, composição e sistema de geração e fornecimento de perácido
JP6574376B2 (ja) 2012-03-30 2019-09-11 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
CN104364384B (zh) 2012-03-30 2018-12-28 纳幕尔杜邦公司 对于过酸的生产有用的酶
JP6335873B2 (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
DE402335T1 (de) * 1989-06-06 1992-04-09 Eka Nobel Ab, Surte 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
AR247259A1 (es) 1994-11-30
DE69317169T2 (de) 1998-10-08
US5552018A (en) 1996-09-03
ES2115719T3 (es) 1998-07-01
NZ248028A (en) 1995-12-21
CA2099513A1 (fr) 1994-01-07
AU654624B2 (en) 1994-11-10
FI933104A (fi) 1994-01-07
BE1006057A3 (fr) 1994-05-03
AU4170693A (en) 1994-01-13
EP0578305B1 (fr) 1998-03-04
BR9302765A (pt) 1994-02-08
EP0578305A1 (fr) 1994-01-12
ATE163697T1 (de) 1998-03-15
JPH06166976A (ja) 1994-06-14
DE69317169D1 (de) 1998-04-09
SK70393A3 (en) 1994-05-11

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