ES2171926T3 - Procedimiento de blanqueo de pasta papelera. - Google Patents
Procedimiento de blanqueo de pasta papelera.Info
- Publication number
- ES2171926T3 ES2171926T3 ES97919018T ES97919018T ES2171926T3 ES 2171926 T3 ES2171926 T3 ES 2171926T3 ES 97919018 T ES97919018 T ES 97919018T ES 97919018 T ES97919018 T ES 97919018T ES 2171926 T3 ES2171926 T3 ES 2171926T3
- Authority
- ES
- Spain
- Prior art keywords
- pasta
- stage
- paper
- treatment
- paper paste
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000002087 whitening effect Effects 0.000 title abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 150000007513 acids Chemical class 0.000 abstract 1
- 238000004061 bleaching Methods 0.000 abstract 1
- 239000013043 chemical agent Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 abstract 1
- 238000010979 pH adjustment Methods 0.000 abstract 1
- 235000015927 pasta Nutrition 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
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
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
-
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
-
- 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
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
PROCEDIMIENTO DE DESLIGNIFICACION Y DE BLANQUEADO DE PASTA DE PAPEL QUIMICO QUE COMPRENDE UNA ETAPA DE TRATAMIENTO ACIDO PARA REDUCIR EN AL MENOS UN 10 % LA CANTIDAD DE ACIDOS HEXENOURONICOS PRESENTES EN LA PASTA, UNA ETAPA DE AJUSTE DEL PH DE LA PASTA DE PAPEL PARA DEPOSITAR O REDEPOSITAR IONES DE METALES ALCALINOTERREOS EN LAS FIBRAS DE LA PASTA, LA ADICION DE UN AGENTE QUELANTE A LA PASTA ANTES Y/O DURANTE LA ETAPA DE TRATAMIENTO ACIDO Y/O ANTES, DURANTE O DESPUES DE LA ETAPA DE AJUSTE DEL PH, UNA ETAPA DE LAVADO DE LA PASTA Y UNA ETAPA DE TRATAMIENTO DE LA PASTA CON UN OXIDANTE.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9600764A BE1010617A3 (fr) | 1996-09-11 | 1996-09-11 | Procede de blanchiment de pate a papier. |
BE9600857A BE1010677A3 (fr) | 1996-10-11 | 1996-10-11 | Procede de delignification et de blanchiment de pate a papier chimique. |
BE9600858A BE1010678A3 (fr) | 1996-10-11 | 1996-10-11 | Procede de delignification et de blanchiment de pate a papier chimique. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2171926T3 true ES2171926T3 (es) | 2002-09-16 |
Family
ID=27159855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES97919018T Expired - Lifetime ES2171926T3 (es) | 1996-09-11 | 1997-08-23 | Procedimiento de blanqueo de pasta papelera. |
Country Status (18)
Country | Link |
---|---|
US (1) | US6123809A (es) |
EP (1) | EP0925401B1 (es) |
JP (1) | JP2001503109A (es) |
AT (1) | ATE212087T1 (es) |
AU (1) | AU4300797A (es) |
BR (1) | BR9711743A (es) |
CA (1) | CA2265566A1 (es) |
CZ (1) | CZ86099A3 (es) |
DE (1) | DE69709656T2 (es) |
EE (1) | EE03881B1 (es) |
ES (1) | ES2171926T3 (es) |
ID (1) | ID19415A (es) |
MY (1) | MY132667A (es) |
NO (1) | NO991153L (es) |
PL (1) | PL332079A1 (es) |
PT (1) | PT925401E (es) |
RU (1) | RU2189412C2 (es) |
WO (1) | WO1998011295A1 (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1012675A6 (fr) * | 1999-05-11 | 2001-02-06 | Solvay | Procede de blanchiment de pate a papier. |
US6702921B2 (en) * | 2001-05-01 | 2004-03-09 | Ondeo Nalco Company | Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent |
US20040248125A1 (en) * | 2001-08-13 | 2004-12-09 | Stremler Mark A | Distribution of solutions across a surface |
US7351764B2 (en) * | 2004-03-31 | 2008-04-01 | Nalco Company | Methods to enhance brightness of pulp and optimize use of bleaching chemicals |
EP1790771A4 (en) * | 2004-06-08 | 2012-10-03 | Jujo Paper Co Ltd | METHOD FOR WHITENING PULP |
US20060201642A1 (en) * | 2005-03-08 | 2006-09-14 | Andritz Inc. | Methods of treating chemical cellulose pulp |
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 |
JP4893210B2 (ja) * | 2006-10-03 | 2012-03-07 | 三菱瓦斯化学株式会社 | 漂白パルプの製造方法 |
JP4973284B2 (ja) * | 2007-03-30 | 2012-07-11 | 栗田工業株式会社 | パルプ洗浄剤、パルプ製造方法、及びパルプ洗浄方法 |
WO2009154898A1 (en) | 2008-06-20 | 2009-12-23 | International Paper Company | Composition and recording sheet with improved optical properties |
FR3016359B1 (fr) * | 2014-01-10 | 2022-04-29 | Arkema France | Compositions de peroxyde d'hydrogene pour la delignification de matiere vegetale et leurs utilisations |
CN104313933A (zh) * | 2014-09-23 | 2015-01-28 | 华南理工大学 | 一种硫酸盐蔗渣浆绿色漂白方法 |
FR3062138B1 (fr) * | 2017-01-23 | 2019-06-07 | Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses | Procede de blanchiment d'une pate a papier |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE500113C2 (sv) * | 1992-07-09 | 1994-04-18 | Kamyr Ab | Sätt vid blekning av massa för omhändertagande av utlösta metaller |
SE9301160L (sv) * | 1992-08-28 | 1994-03-01 | Sunds Defibrator Ind Ab | Förfarande för behandling av processvatten |
ATE184060T1 (de) * | 1993-04-20 | 1999-09-15 | Eka Chemicals Ab | Verfahren zum bleichen von lignozellulose- enthaltendem zellstoff |
US5571378A (en) * | 1993-11-23 | 1996-11-05 | Hampshire Chemical Ltd. | Process for high-pH metal ion chelation in pulps |
SE504826C2 (sv) * | 1994-10-07 | 1997-05-12 | Sunds Defibrator Ind Ab | Behandling av kemisk massa med komplexbildare i närvaro av ett oxidationsmedel |
US6736934B1 (en) * | 1995-02-17 | 2004-05-18 | Andritz Oy | Method of pretreating pulp in an acid tower prior to bleaching with peroxide |
-
1997
- 1997-08-23 RU RU99107570/12A patent/RU2189412C2/ru not_active IP Right Cessation
- 1997-08-23 EP EP97919018A patent/EP0925401B1/fr not_active Expired - Lifetime
- 1997-08-23 AT AT97919018T patent/ATE212087T1/de not_active IP Right Cessation
- 1997-08-23 BR BR9711743A patent/BR9711743A/pt not_active Application Discontinuation
- 1997-08-23 PL PL97332079A patent/PL332079A1/xx unknown
- 1997-08-23 ES ES97919018T patent/ES2171926T3/es not_active Expired - Lifetime
- 1997-08-23 AU AU43007/97A patent/AU4300797A/en not_active Abandoned
- 1997-08-23 PT PT97919018T patent/PT925401E/pt unknown
- 1997-08-23 EE EEP199900119A patent/EE03881B1/xx not_active IP Right Cessation
- 1997-08-23 CA CA002265566A patent/CA2265566A1/fr not_active Abandoned
- 1997-08-23 DE DE69709656T patent/DE69709656T2/de not_active Expired - Fee Related
- 1997-08-23 CZ CZ99860A patent/CZ86099A3/cs unknown
- 1997-08-23 WO PCT/EP1997/004758 patent/WO1998011295A1/fr not_active Application Discontinuation
- 1997-08-23 US US09/254,495 patent/US6123809A/en not_active Expired - Fee Related
- 1997-08-23 JP JP10513208A patent/JP2001503109A/ja active Pending
- 1997-09-10 MY MYPI97004185A patent/MY132667A/en unknown
- 1997-09-11 ID IDP973169A patent/ID19415A/id unknown
-
1999
- 1999-03-10 NO NO991153A patent/NO991153L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
MY132667A (en) | 2007-10-31 |
PT925401E (pt) | 2002-07-31 |
CZ86099A3 (cs) | 1999-06-16 |
EP0925401A1 (fr) | 1999-06-30 |
JP2001503109A (ja) | 2001-03-06 |
NO991153D0 (no) | 1999-03-10 |
PL332079A1 (en) | 1999-08-30 |
NO991153L (no) | 1999-05-04 |
DE69709656D1 (de) | 2002-02-21 |
AU4300797A (en) | 1998-04-02 |
ATE212087T1 (de) | 2002-02-15 |
US6123809A (en) | 2000-09-26 |
DE69709656T2 (de) | 2002-10-17 |
CA2265566A1 (fr) | 1998-03-19 |
WO1998011295A1 (fr) | 1998-03-19 |
EE9900119A (et) | 1999-10-15 |
BR9711743A (pt) | 1999-08-24 |
RU2189412C2 (ru) | 2002-09-20 |
EP0925401B1 (fr) | 2002-01-16 |
EE03881B1 (et) | 2002-10-15 |
ID19415A (id) | 1998-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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