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ZA936200B - Oxidative bleaching of wood pulp by vanadium-substituted polyoxometalates - Google Patents

Oxidative bleaching of wood pulp by vanadium-substituted polyoxometalates

Info

Publication number
ZA936200B
ZA936200B ZA936200A ZA936200A ZA936200B ZA 936200 B ZA936200 B ZA 936200B ZA 936200 A ZA936200 A ZA 936200A ZA 936200 A ZA936200 A ZA 936200A ZA 936200 B ZA936200 B ZA 936200B
Authority
ZA
South Africa
Prior art keywords
wood pulp
vanadium
polyoxometalate
oxidative bleaching
substituted polyoxometalates
Prior art date
Application number
ZA936200A
Other languages
English (en)
Inventor
Ira A Weinstock
Graig 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 ZA936200B publication Critical patent/ZA936200B/xx

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1057Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1063Bleaching ; 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)
ZA936200A 1992-08-28 1993-08-24 Oxidative bleaching of wood pulp by vanadium-substituted polyoxometalates ZA936200B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA936200B true ZA936200B (en) 1994-06-03

Family

ID=25470192

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA936200A ZA936200B (en) 1992-08-28 1993-08-24 Oxidative bleaching of wood pulp by vanadium-substituted polyoxometalates

Country Status (12)

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

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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
JP2002517621A (ja) * 1998-06-02 2002-06-18 アメリカ合衆国 リグノセルロース系材料の選択的脱リグニン方法
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
WO2000071247A1 (en) * 1999-05-26 2000-11-30 Emory University Equilibrated tungsten-based polyoxometalate-catalyst systems
DE60018208T2 (de) * 1999-12-23 2006-01-12 Pulp And Paper Research Institute Of Canada Bestimmung der kappa-nummer in chemischem zellstoff durch ramanspektroskopie
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
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
PT3862485T (pt) 2005-05-02 2024-05-22 Int Paper Co Materiais lignocelulósicos e os produtos feitos a partir dos mesmos
IN266777B (xx) * 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
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
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
CA2763024C (en) 2009-05-28 2018-04-10 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
WO2012170183A1 (en) 2011-05-23 2012-12-13 Gp Cellulose Gmbh Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same
CA2860609C (en) 2012-01-12 2021-02-16 Gp Cellulose Gmbh A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same
KR101686394B1 (ko) * 2012-03-26 2016-12-14 미쓰비시 쥬시 가부시끼가이샤 도포 필름
CN104411882B (zh) 2012-04-18 2018-04-20 Gp纤维素股份有限公司 表面活性剂处理纸浆并改善牛皮纸浆向纤维的并入以制造粘胶及其他二次纤维产品的用途
CA2898417C (en) 2013-02-08 2021-07-27 Arthur J. Nonni Softwood kraft fiber having an improved .alpha.-cellulose content and its use in the production of chemical cellulose products
BR112015019882A2 (pt) 2013-03-14 2017-07-18 Gp Cellulose Gmbh fibra kraft clareada oxidada e métodos para fazer polpa kraft e fibra kraft de madeira macia e para clarear polpa kraft de celulose em sequência de branqueamento de multi-estágios
KR102180665B1 (ko) 2013-03-15 2020-11-23 게페 첼루로제 게엠베하 증대된 카복실 함량을 갖는 저 점도 크래프트 섬유 및 이의 제조 및 사용 방법
AT514558B1 (de) * 2013-09-11 2015-02-15 Mondi Ag Wasserlösliches, ungebleichtes Sackpapier sowie Papiersack
CN105793192B (zh) 2013-10-29 2018-12-11 耶达研究及发展有限公司 由生物质催化形成一氧化碳(co)和氢(h2)
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
JP6727608B2 (ja) * 2016-06-15 2020-07-22 株式会社エー・シー・イー シリコンウェーハの表面処理方法
US10865519B2 (en) 2016-11-16 2020-12-15 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
RU2729701C1 (ru) 2017-03-21 2020-08-11 Интернэшнл Пэйпа Кампани Целлюлозная композиция со способностью устранения неприятного запаха
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
WO2019139649A2 (en) 2017-09-25 2019-07-18 Northeastern University Biologically-inspired compositions that enable visible through infrared color changing compositions
WO2019060916A2 (en) * 2017-09-25 2019-03-28 Northeastern University COSMETIC AND DERMATOLOGICAL 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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US2779656A (en) * 1953-06-16 1957-01-29 Du Pont Bleaching of kraft pulp
SE363138B (xx) * 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
US4892941A (en) * 1987-04-17 1990-01-09 Dolphin David H Porphyrins
US5077394A (en) * 1987-04-17 1991-12-31 Sandoz Ltd. Porphyrins and uses thereof
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
EP0659222B1 (en) 2000-06-14
ES2149211T3 (es) 2000-11-01
FI950903A0 (fi) 1995-02-28
EP0659222A4 (en) 1997-01-08
US5695606A (en) 1997-12-09
PT659222E (pt) 2000-12-29
FI950903L (fi) 1995-02-28
JPH08503028A (ja) 1996-04-02
US5552019A (en) 1996-09-03
US5695605A (en) 1997-12-09
FI109036B (fi) 2002-05-15
US5302248A (en) 1994-04-12
DE69328870T2 (de) 2001-02-08
JP3169020B2 (ja) 2001-05-21
ATE193910T1 (de) 2000-06-15
DE69328870D1 (de) 2000-07-20
CA2143824A1 (en) 1994-03-17
WO1994005849A1 (en) 1994-03-17
EP0659222A1 (en) 1995-06-28
US5824189A (en) 1998-10-20
BR9306952A (pt) 1999-01-12

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