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 organicoInfo
- 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
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2097463C1 (ru) † | 1992-11-27 | 1997-11-27 | Ека Нобель Актиеболаг | Способ отбеливания лигноцеллюлозосодержащей пульпы |
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 |
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 |
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 |
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 |
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 |
US7927854B1 (en) | 2009-12-07 | 2011-04-19 | 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 |
US8450091B2 (en) * | 2010-03-26 | 2013-05-28 | E. I. Du Pont 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 |
WO2011119706A1 (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 |
US8586339B2 (en) | 2010-03-26 | 2013-11-19 | E. I. Du Pont De Nemours And Company | Facilitated process for purification of proteins |
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 |
WO2012087966A2 (en) | 2010-12-20 | 2012-06-28 | E. I. Du Pont De Nemours And Company | Targeted perhydrolases |
WO2012087787A1 (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 |
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 |
WO2012087793A1 (en) | 2010-12-21 | 2012-06-28 | E.I. Dupont 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 |
US8389257B2 (en) | 2010-12-21 | 2013-03-05 | 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 |
US8546120B2 (en) | 2011-10-25 | 2013-10-01 | 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 |
US8956843B2 (en) | 2011-10-25 | 2015-02-17 | 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 |
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 |
BR112014024207B1 (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 |
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 |
CA2867998C (en) | 2012-03-30 | 2021-05-04 | E. I. Du Pont De Nemours And Company | Enzymes useful for peracid production |
EP2831252B1 (en) | 2012-03-30 | 2021-11-24 | DuPont US Holding, LLC | Enzymes useful for peracid production |
CA2867939C (en) | 2012-03-30 | 2022-01-04 | E. I. Du Pont De Nemours And Company | Enzymes useful for peracid production |
Family Cites Families (6)
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 |
EP0402335B2 (en) * | 1989-06-06 | 2001-03-14 | Eka Chemicals AB | Process for bleaching lignocellulose-containing pulps |
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 |
-
1992
- 1992-07-06 BE BE9200627A patent/BE1006057A3/fr not_active IP Right Cessation
-
1993
- 1993-06-29 ES ES93201887T patent/ES2115719T3/es not_active Expired - Lifetime
- 1993-06-29 EP EP93201887A patent/EP0578305B1/fr not_active Revoked
- 1993-06-29 AT AT93201887T patent/ATE163697T1/de active
- 1993-06-29 US US08/083,180 patent/US5552018A/en not_active Expired - Fee Related
- 1993-06-29 DE DE69317169T patent/DE69317169T2/de not_active Revoked
- 1993-06-30 NZ NZ248028A patent/NZ248028A/en unknown
- 1993-07-02 SK SK703-93A patent/SK70393A3/sk unknown
- 1993-07-02 AU AU41706/93A patent/AU654624B2/en not_active Ceased
- 1993-07-02 CA CA002099513A patent/CA2099513A1/fr not_active Abandoned
- 1993-07-05 AR AR93325342A patent/AR247259A1/es active
- 1993-07-05 BR BR9302765A patent/BR9302765A/pt not_active Application Discontinuation
- 1993-07-06 SI SI9300363A patent/SI9300363A/sl unknown
- 1993-07-06 JP JP5167131A patent/JPH06166976A/ja active Pending
- 1993-07-06 FI FI933104A patent/FI933104A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
CA2099513A1 (fr) | 1994-01-07 |
DE69317169D1 (de) | 1998-04-09 |
ATE163697T1 (de) | 1998-03-15 |
US5552018A (en) | 1996-09-03 |
JPH06166976A (ja) | 1994-06-14 |
FI933104A (fi) | 1994-01-07 |
SK70393A3 (en) | 1994-05-11 |
NZ248028A (en) | 1995-12-21 |
DE69317169T2 (de) | 1998-10-08 |
AU4170693A (en) | 1994-01-13 |
AU654624B2 (en) | 1994-11-10 |
EP0578305A1 (fr) | 1994-01-12 |
EP0578305B1 (fr) | 1998-03-04 |
BE1006057A3 (fr) | 1994-05-03 |
SI9300363A (en) | 1994-03-31 |
ES2115719T3 (es) | 1998-07-01 |
FI933104A0 (fi) | 1993-07-06 |
BR9302765A (pt) | 1994-02-08 |
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