ZA936200B - Oxidative bleaching of wood pulp by vanadium-substituted polyoxometalates - Google Patents
Oxidative bleaching of wood pulp by vanadium-substituted polyoxometalatesInfo
- 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
Links
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 4
- 238000009896 oxidative bleaching Methods 0.000 title 1
- 239000013460 polyoxometalate Substances 0.000 abstract 3
- 229920002522 Wood fibre Polymers 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 125000005842 heteroatom Chemical group 0.000 abstract 1
- 229910001428 transition metal ion Inorganic materials 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
- D21C9/1057—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)
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) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
1992
- 1992-08-28 US US07/937,634 patent/US5302248A/en not_active Expired - Fee Related
-
1993
- 1993-08-24 ZA ZA936200A patent/ZA936200B/xx unknown
- 1993-08-27 AT AT93920377T patent/ATE193910T1/de not_active IP Right Cessation
- 1993-08-27 WO PCT/US1993/008068 patent/WO1994005849A1/en not_active Ceased
- 1993-08-27 BR BR9306952A patent/BR9306952A/pt not_active IP Right Cessation
- 1993-08-27 EP EP93920377A patent/EP0659222B1/en not_active Expired - Lifetime
- 1993-08-27 DE DE69328870T patent/DE69328870T2/de not_active Expired - Fee Related
- 1993-08-27 JP JP50732394A patent/JP3169020B2/ja not_active Expired - Fee Related
- 1993-08-27 PT PT93920377T patent/PT659222E/pt unknown
- 1993-08-27 CA CA002143824A patent/CA2143824A1/en not_active Abandoned
- 1993-08-27 ES ES93920377T patent/ES2149211T3/es not_active Expired - Lifetime
-
1994
- 1994-03-28 US US08/219,041 patent/US5552019A/en not_active Expired - Fee Related
-
1995
- 1995-02-28 FI FI950903A patent/FI109036B/fi not_active IP Right Cessation
-
1996
- 1996-06-12 US US08/660,971 patent/US5695605A/en not_active Expired - Fee Related
- 1996-06-17 US US08/664,488 patent/US5695606A/en not_active Expired - Fee Related
-
1997
- 1997-08-14 US US08/911,572 patent/US5824189A/en not_active Expired - Fee Related
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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