BR9306952A - Branqueamento oxidativo de polpa de madeira por polioxometalatos substituídos com vanádio - Google Patents

Branqueamento oxidativo de polpa de madeira por polioxometalatos substituídos com vanádio

Info

Publication number
BR9306952A
BR9306952A BR9306952A BR9306952A BR9306952A BR 9306952 A BR9306952 A BR 9306952A BR 9306952 A BR9306952 A BR 9306952A BR 9306952 A BR9306952 A BR 9306952A BR 9306952 A BR9306952 A BR 9306952A
Authority
BR
Brazil
Prior art keywords
wood pulp
vanadium
polyoxometalate
oxidative bleaching
substituted polyoxometalates
Prior art date
Application number
BR9306952A
Other languages
English (en)
Inventor
Ira R Weisntock
Craig L Hill
Original Assignee
Us Agriculture
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
Application filed by Us Agriculture filed Critical Us Agriculture
Publication of BR9306952A publication Critical patent/BR9306952A/pt

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
    • D21C9/1057—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
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR9306952A 1992-08-28 1993-08-27 Branqueamento oxidativo de polpa de madeira por polioxometalatos substituídos com vanádio BR9306952A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/937,634 US5302248A (en) 1992-08-28 1992-08-28 Delignification of wood pulp by vanadium-substituted polyoxometalates
PCT/US1993/008068 WO1994005849A1 (en) 1992-08-28 1993-08-27 Oxidative bleaching of wood pulp by vanadium-substituted polyoxometalates

Publications (1)

Publication Number Publication Date
BR9306952A true BR9306952A (pt) 1999-01-12

Family

ID=25470192

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9306952A BR9306952A (pt) 1992-08-28 1993-08-27 Branqueamento oxidativo de polpa de madeira por polioxometalatos substituídos com vanádio

Country Status (12)

Country Link
US (5) US5302248A (pt)
EP (1) EP0659222B1 (pt)
JP (1) JP3169020B2 (pt)
AT (1) ATE193910T1 (pt)
BR (1) BR9306952A (pt)
CA (1) CA2143824A1 (pt)
DE (1) DE69328870T2 (pt)
ES (1) ES2149211T3 (pt)
FI (1) FI109036B (pt)
PT (1) PT659222E (pt)
WO (1) WO1994005849A1 (pt)
ZA (1) ZA936200B (pt)

Families Citing this family (39)

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US5549789A (en) * 1992-08-28 1996-08-27 The United States Of America As Represented By The Secretary Of Agriculture Oxidation of lignin and polysaccharides mediated by polyoxometalate treatment of wood pulp
DE19530786A1 (de) 1995-08-22 1997-02-27 Hoechst Ag Bleichmittelzusammensetzung enthaltend Polyoxometallate als Bleichkatalysator
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
BR9812135A (pt) * 1997-09-05 2000-07-18 Us Agriculture Complexos de tungstoaluminato substituìdos com metal de transição para deslignificação e mineralização de despejo
CA2332897A1 (en) * 1998-06-02 1999-12-09 Ira A. Weinstock Method for selectively delignifying lignocellulosic materials
US6074437A (en) * 1998-12-23 2000-06-13 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Bleaching with polyoxometalates and air or molecular oxygen
AU5292900A (en) * 1999-05-26 2000-12-12 Emory University Equilibrated tungsten-based polyoxometalate-catalyst systems
US6551451B2 (en) 1999-12-23 2003-04-22 Pulp And Paper Research Institute Of Canada Method for determining liquid content in chemical pulps using ramen spectrometry
WO2001048472A1 (en) * 1999-12-23 2001-07-05 Pulp And Paper Research Institute Of Canada Determination of kappa number in chemical pulps by raman spectrometry
US8262850B2 (en) * 2003-09-23 2012-09-11 International Paper Company Chemical activation and refining of southern pine kraft fibers
US7242576B2 (en) * 2004-01-08 2007-07-10 Apple Inc. Quick release structures for a computer
ES2974916T3 (es) 2005-05-02 2024-07-02 Int Paper Co Materiales lignocelulósicos y los productos fabricados a partir de los mismos
IN266777B (pt) * 2006-03-24 2015-06-01 Acal Energy Ltd
CH702124B1 (de) * 2007-03-02 2011-05-13 Eth Zuerich Verfahren zum Abbau von Lignin.
WO2008156651A1 (en) * 2007-06-12 2008-12-24 Cps Biofuels, Inc. Production of gasoline from fermentable feedstocks
MD4014C2 (ro) * 2009-04-23 2010-09-30 Татьяна ГУЦУЛ Complecşi polioxometalaţi cu activitate antitumorală
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
CA2949518C (en) 2009-05-28 2019-01-08 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
DE102011077232B4 (de) * 2010-09-17 2021-09-09 Jbach Gmbh Verfahren zur katalytischen Erzeugung von Ameisensäure
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
AU2012268700B2 (en) 2011-05-23 2017-02-02 Gp Cellulose Gmbh Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same
TWI628331B (zh) 2012-01-12 2018-07-01 Ｇｐ纖維股份有限公司 具有降低黃化性質之低黏度牛皮紙纖維及其製造與使用方法
WO2013146155A1 (ja) * 2012-03-26 2013-10-03 三菱樹脂株式会社 塗布フィルム
EP3495550A1 (en) 2012-04-18 2019-06-12 GP Cellulose GmbH The use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products
WO2014122533A2 (en) 2013-02-08 2014-08-14 Gp Cellulose Gmbh Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products
RU2671653C2 (ru) 2013-03-14 2018-11-06 ДжиПи СЕЛЛЬЮЛОУС ГМБХ Способ изготовления высокофункционального маловязкого крафтволокна с использованием последовательности кислотного отбеливания и волокно, изготовленное с помощью этого процесса
CN105143547B (zh) 2013-03-15 2018-05-01 Gp 纤维素股份有限公司 具有增高羧基含量的低粘度牛皮纸纤维及其制造和使用方法
AT514558B1 (de) * 2013-09-11 2015-02-15 Mondi Ag Wasserlösliches, ungebleichtes Sackpapier sowie Papiersack
US9873612B2 (en) 2013-10-29 2018-01-23 Yeda Research And Development Co. Ltd. Catalytic formation of carbon monoxide (CO) and hydrogen (H2) from biomass
EP3048092B1 (de) * 2015-01-26 2017-04-12 Jbach GmbH Verfahren zur katalytischen Erzeugung von Ameisensäure bei einem Sauerstoffpartialdruck unter 1 bar und Regeneration des dabei eingesetzten Katalysators
DE102015111700A1 (de) 2015-07-17 2017-01-19 Günter Besold Verfahren zum oxidativen, katalytischen Abbau von Biomasse
CA3040734A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
US11332886B2 (en) 2017-03-21 2022-05-17 International Paper Company Odor control pulp composition
CN107151931B (zh) * 2017-06-30 2019-01-25 陕西科技大学 一种用杂多酸提高粘胶纤维用溶解浆反应性能的方法
US11464719B2 (en) * 2017-09-25 2022-10-11 Northeastern University Cosmetic and dermatological compositions
EP3688115A2 (en) 2017-09-25 2020-08-05 Northeastern University Biologically-inspired compositions that enable visible through infrared color changing compositions
CN109235106B (zh) * 2018-09-12 2021-07-06 陕西科技大学 一种强化杂多酸处理提升溶解浆反应性能的方法

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Publication number Priority date Publication date Assignee Title
US2779656A (en) * 1953-06-16 1957-01-29 Du Pont Bleaching of kraft pulp
SE363138B (pt) * 1968-06-13 1974-01-07 Air Liquide Sa Etude Exploit P
US4039374A (en) * 1975-08-29 1977-08-02 Union Camp Corporation Bleaching of cellulosic pulp fibers with chlorine dioxide in the presence of a vanadium compound
US4283301A (en) * 1980-07-02 1981-08-11 The Procter & Gamble Company Bleaching process and compositions
CA1188485A (en) * 1982-03-25 1985-06-11 Kien L. Nguyen Alkali regeneration process
US4931207A (en) * 1984-01-27 1990-06-05 The Clorox Company Bleaching and bluing composition and method
US4773966A (en) * 1986-09-29 1988-09-27 Regents Of The University Of Minnesota Oxidative degradation of lignin with inorganic metal complexes
US4864041A (en) * 1987-02-04 1989-09-05 Emory University Transition metal-substituted polyoxometalates as catalysts for homogenous liquid-phase organic oxidation processes
US5077394A (en) * 1987-04-17 1991-12-31 Sandoz Ltd. Porphyrins and uses thereof
US4892941A (en) * 1987-04-17 1990-01-09 Dolphin David H Porphyrins
US4839008A (en) * 1987-06-10 1989-06-13 Emory University Homogeneous catalytic photochemical functionalization of alkanes by polyoxometalates
US5041142A (en) * 1990-03-23 1991-08-20 Lever Brothers Company, Division Of Conopco Inc. Peroxymetallates and their use as bleach activating catalysts

Also Published As

Publication number Publication date
ZA936200B (en) 1994-06-03
JPH08503028A (ja) 1996-04-02
CA2143824A1 (en) 1994-03-17
US5695606A (en) 1997-12-09
EP0659222A4 (en) 1997-01-08
DE69328870D1 (de) 2000-07-20
EP0659222B1 (en) 2000-06-14
WO1994005849A1 (en) 1994-03-17
US5302248A (en) 1994-04-12
FI950903A (fi) 1995-02-28
DE69328870T2 (de) 2001-02-08
EP0659222A1 (en) 1995-06-28
US5695605A (en) 1997-12-09
FI109036B (fi) 2002-05-15
ATE193910T1 (de) 2000-06-15
FI950903A0 (fi) 1995-02-28
US5552019A (en) 1996-09-03
ES2149211T3 (es) 2000-11-01
US5824189A (en) 1998-10-20
JP3169020B2 (ja) 2001-05-21
PT659222E (pt) 2000-12-29

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