UY35820A - Proceso para deslignificación y blanqueo de pulpa - Google Patents
Proceso para deslignificación y blanqueo de pulpaInfo
- Publication number
- UY35820A UY35820A UY0001035820A UY35820A UY35820A UY 35820 A UY35820 A UY 35820A UY 0001035820 A UY0001035820 A UY 0001035820A UY 35820 A UY35820 A UY 35820A UY 35820 A UY35820 A UY 35820A
- Authority
- UY
- Uruguay
- Prior art keywords
- bleaching
- pulp
- lignification
- whitening
- stage
- 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
- D21C3/00—Pulping cellulose-containing materials
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air
-
- 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
-
- 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
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
-
- 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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
-
- 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
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
Proceso para la deslignificación y el blanqueo de pulpa, que comprende una primera etapa de blanque o con peróxido de hidrógeno en presencia de un molibdato o tungstato en una mezcla acuosa ácida; po steriormente a la primera etapa de blanqueo, una segunda etapa de blanqueo con peróxido de hidrógeno en una mezcla acuosa alcalina; and, posterior a la segunda etapa de blanqueo, una tercera etapa de blanqueo con peróxido de hidrógeno en presencia de un molibdato o tungstato en una mezcla acuosa ácida.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013222468 | 2013-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
UY35820A true UY35820A (es) | 2015-05-29 |
Family
ID=51743424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UY0001035820A UY35820A (es) | 2013-11-06 | 2014-11-05 | Proceso para deslignificación y blanqueo de pulpa |
Country Status (13)
Country | Link |
---|---|
US (1) | US10006169B2 (es) |
EP (1) | EP3066257B1 (es) |
KR (1) | KR20160085281A (es) |
CN (1) | CN105723028A (es) |
AR (1) | AR098317A1 (es) |
AU (1) | AU2014345837B2 (es) |
CA (1) | CA2929443A1 (es) |
CL (1) | CL2016001088A1 (es) |
ES (1) | ES2724323T3 (es) |
PT (1) | PT3066257T (es) |
RU (1) | RU2016122102A (es) |
UY (1) | UY35820A (es) |
WO (1) | WO2015067446A1 (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3007044B1 (fr) * | 2013-06-13 | 2016-01-15 | Air Liquide | Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium |
PT3066257T (pt) * | 2013-11-06 | 2019-06-04 | Evonik Degussa Gmbh | Método para a deslignificação e branqueamento de pasta de papel |
EP3877586A4 (en) * | 2018-11-07 | 2022-06-29 | Kemira Oyj | A composition for use as peroxide stabilizer |
US11872007B2 (en) | 2019-06-28 | 2024-01-16 | Auris Health, Inc. | Console overlay and methods of using same |
CA3074199A1 (en) | 2020-02-28 | 2021-08-28 | Fluid Energy Group Ltd. | Modified sulfuric acid and uses thereof |
CA3074194A1 (en) * | 2020-02-28 | 2021-08-28 | Fluid Energy Group Ltd. | Modified sulfuric acid and uses thereof |
DE102020002445A1 (de) * | 2020-04-23 | 2021-10-28 | Messer Austria Gmbh | Verfahren und Vorrichtung zur Herstellung von gebleichtem Zellstoff |
RU2744339C1 (ru) * | 2020-07-20 | 2021-03-05 | федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" | Способ отбелки сульфитной целлюлозы |
Family Cites Families (38)
Publication number | Priority date | Publication date | Assignee | Title |
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US3835001A (en) | 1973-04-30 | 1974-09-10 | Penn Olin Chem Co | Ion exchange removal of dichromates from electrolytically produced alkali metal chlorate-chloride solutions |
FR2320946A1 (fr) | 1975-08-12 | 1977-03-11 | Toray Industries | Procede de preparation de sels d'acide cis-epoxysuccinique de grande purete et nouveaux produits ainsi obtenus |
US4065475A (en) | 1976-05-21 | 1977-12-27 | Toray Industries, Inc. | Process for preparing CIS-epoxysuccinic acid salts of high purity |
US4427490A (en) * | 1978-04-07 | 1984-01-24 | International Paper Company | Delignification and bleaching process for lignocellulosic pulp with peroxide in the presence of metal additives |
CA1129161A (en) | 1978-04-07 | 1982-08-10 | Robert C. Eckert | Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives |
IT1127300B (it) | 1979-12-19 | 1986-05-21 | Euteco Impianto Spa | Procedimento per il recupero di composti del molibdeno |
US4661205A (en) * | 1981-08-28 | 1987-04-28 | Scott Paper Company | Method of bleaching lignocellulosic material with peroxide catalyzed with a salt of a metal |
JPH0610089B2 (ja) | 1985-05-16 | 1994-02-09 | 住友化学工業株式会社 | モリブデンの回収方法 |
GB8908416D0 (en) * | 1989-04-13 | 1989-06-01 | Unilever Plc | Bleach activation |
CZ279703B6 (cs) | 1990-12-21 | 1995-06-14 | Vúfb, A.S. | Způsob regenerace molybdenového katalyzátoru z roztoků po epimerizaci aldóz |
RU1836465C (ru) | 1992-04-20 | 1993-08-23 | Всероссийский научно-исследовательский и проектный институт тугоплавких металлов и твердых сплавов | Способ извлечени вольфрама из сырь |
JP3314089B2 (ja) | 1992-06-30 | 2002-08-12 | 京セラ株式会社 | 被覆超硬合金 |
FI98841C (fi) * | 1994-06-20 | 1997-08-25 | Kemira Chemicals Oy | Menetelmä kemiallisen massan delignifioimiseksi |
FI942970A (fi) | 1994-06-20 | 1995-12-21 | Kemira Chemicals Oy | Menetelmä kemiallisen massan delignifioimiseksi |
CA2194882A1 (en) | 1994-07-11 | 1996-01-25 | Brian P. Roy | High efficiency vessels for bleaching lignocellulosic, cellulosic and synthetic polymeric fibrous materials |
DE4446122A1 (de) | 1994-12-22 | 1996-06-27 | Sued Chemie Ag | Verfahren zur Herstellung eines Adsorbens für anionische Verbindungen und dessen Verwendung |
SE504340E (sv) * | 1995-05-22 | 1999-08-09 | Mo Och Domsjoe Ab | Förfarande för delignifiering/blekning av lignininnehållande cellulosamassa |
US5667694A (en) | 1995-08-28 | 1997-09-16 | Rheox, Inc. | Process for the removal of heavy metals from aqueous systems using organoclays |
JP3698178B2 (ja) | 1995-09-22 | 2005-09-21 | 三菱瓦斯化学株式会社 | 製紙用化学パルプの漂白方法 |
DE19620241A1 (de) | 1996-05-20 | 1997-11-27 | Patt R Prof Dr | Verfahren zum Delignifizieren von Zellstoffen und Verwendung eines Katalysators |
US5904734A (en) * | 1996-11-07 | 1999-05-18 | S. C. Johnson & Son, Inc. | Method for bleaching a hard surface using tungsten activated peroxide |
JPH11130762A (ja) | 1997-10-29 | 1999-05-18 | Mitsubishi Gas Chem Co Inc | シス−エポキシコハク酸塩の製造方法 |
JP2002512318A (ja) | 1998-04-16 | 2002-04-23 | パルプ アンド ペーパー リサーチ インスチチュート オブ カナダ | パルプ及び染料酸化のためのオキシダーゼ法 |
RU2176677C2 (ru) | 1998-10-06 | 2001-12-10 | Воропанова Лидия Алексеевна | Способ извлечения вольфрама (vi) из водного раствора |
US20030019596A1 (en) | 2001-04-17 | 2003-01-30 | Ragauskas Arthur J. | Metal substituted xerogels for improved peroxide bleaching of kraft pulps |
JP2003048716A (ja) | 2001-08-02 | 2003-02-21 | Katayama Chem Works Co Ltd | モリブデン酸塩の回収方法 |
FR2846664B1 (fr) | 2002-10-30 | 2006-09-08 | Inst Francais Du Petrole | Procede flexible de production de bases huiles et de distillats moyens avec une etape de pretraitement convertissant suivie d'un deparaffinage catalytique |
US8317975B2 (en) * | 2004-04-20 | 2012-11-27 | The Research Foundation Of The State University Of New York | Product and processes from an integrated forest biorefinery |
SE532370C2 (sv) | 2008-02-28 | 2009-12-29 | Metso Paper Inc | Metod för blekning av en massa |
CL2009000939A1 (es) * | 2008-04-30 | 2010-10-01 | Evonik Degussa Gmbh | Proceso para recuperar molibdato o tungstato desde una solucion acuosa que comprende a) contactar la solucion con un material portador inorganico cationizado e insoluble en agua, b) separar el material portador de molibdato o tungstato, c) contactarlo con una solucion acuosa con un ph entre 6 a 14 y d) separar el material saturado. |
DE102008040884A1 (de) | 2008-07-31 | 2010-02-04 | Evonik Degussa Gmbh | Verfahren zur Rückgewinnung von Molybdat oder Wolframat aus wässrigen Lösungen |
CN101792851B (zh) | 2009-11-17 | 2012-01-04 | 灵宝市金源矿业有限责任公司 | 低品位氧化钼矿回收工艺 |
DE102010001001A1 (de) * | 2010-01-19 | 2011-07-21 | Evonik Degussa GmbH, 45128 | Verfahren zur Delignifizierung und Bleiche von Zellstoff |
FR2969668B1 (fr) * | 2010-12-23 | 2013-01-04 | Arkema France | Procede de delignification et de blanchiment de pate a papier au moyen de peroxyde d'hydrogene active |
CN102363929A (zh) * | 2011-11-30 | 2012-02-29 | 中冶纸业银河有限公司 | 一种提高纸浆过氧化氢漂白效率的方法 |
DE102012200990A1 (de) * | 2012-01-24 | 2013-07-25 | Evonik Industries Ag | Verfahren zur Rückgewinnung von Molybdat bei einer mit Molybdat katalysierten Delignifizierung von Zellstoff mit Wasserstoffperoxid |
PT3066257T (pt) * | 2013-11-06 | 2019-06-04 | Evonik Degussa Gmbh | Método para a deslignificação e branqueamento de pasta de papel |
EP3386948A4 (en) * | 2015-12-07 | 2019-06-12 | Clean Chemistry Inc. | PROCESSES FOR PROCESSING PAPER PULP FIBERS |
-
2014
- 2014-10-15 PT PT14786164T patent/PT3066257T/pt unknown
- 2014-10-15 RU RU2016122102A patent/RU2016122102A/ru not_active Application Discontinuation
- 2014-10-15 KR KR1020167014927A patent/KR20160085281A/ko not_active Application Discontinuation
- 2014-10-15 ES ES14786164T patent/ES2724323T3/es active Active
- 2014-10-15 AU AU2014345837A patent/AU2014345837B2/en not_active Ceased
- 2014-10-15 EP EP14786164.5A patent/EP3066257B1/de not_active Not-in-force
- 2014-10-15 US US15/034,453 patent/US10006169B2/en not_active Expired - Fee Related
- 2014-10-15 CA CA2929443A patent/CA2929443A1/en not_active Abandoned
- 2014-10-15 CN CN201480060946.5A patent/CN105723028A/zh active Pending
- 2014-10-15 WO PCT/EP2014/072096 patent/WO2015067446A1/de active Application Filing
- 2014-11-05 UY UY0001035820A patent/UY35820A/es not_active Application Discontinuation
- 2014-11-05 AR ARP140104164A patent/AR098317A1/es unknown
-
2016
- 2016-05-06 CL CL2016001088A patent/CL2016001088A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
CL2016001088A1 (es) | 2016-09-30 |
RU2016122102A (ru) | 2017-12-11 |
US10006169B2 (en) | 2018-06-26 |
US20160298294A1 (en) | 2016-10-13 |
AU2014345837A1 (en) | 2016-04-28 |
ES2724323T3 (es) | 2019-09-10 |
PT3066257T (pt) | 2019-06-04 |
AR098317A1 (es) | 2016-05-26 |
EP3066257B1 (de) | 2019-03-06 |
EP3066257A1 (de) | 2016-09-14 |
WO2015067446A1 (de) | 2015-05-14 |
CN105723028A (zh) | 2016-06-29 |
CA2929443A1 (en) | 2015-05-14 |
RU2016122102A3 (es) | 2018-06-20 |
AU2014345837B2 (en) | 2018-01-18 |
KR20160085281A (ko) | 2016-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
109 | Application deemed to be withdrawn |
Effective date: 20211215 |