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BR9709108A - Processo para a deslignificação de material fibroso e uso de um catalisador - Google Patents

Processo para a deslignificação de material fibroso e uso de um catalisador

Info

Publication number
BR9709108A
BR9709108A BR9709108A BR9709108A BR9709108A BR 9709108 A BR9709108 A BR 9709108A BR 9709108 A BR9709108 A BR 9709108A BR 9709108 A BR9709108 A BR 9709108A BR 9709108 A BR9709108 A BR 9709108A
Authority
BR
Brazil
Prior art keywords
delignifying
catalyst
fibrous material
fibrous
delignifying fibrous
Prior art date
Application number
BR9709108A
Other languages
English (en)
Inventor
Hans-Juergen Mielisch
Juergen Odermatt
K Wieghardt
Thomas Weyermueller
Original Assignee
Rudolf Patt
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 Rudolf Patt filed Critical Rudolf Patt
Publication of BR9709108A publication Critical patent/BR9709108A/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/18Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1805Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
    • B01J31/181Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
    • B01J31/1815Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine with more than one complexing nitrogen atom, e.g. bipyridyl, 2-aminopyridine
    • B01J31/182Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine with more than one complexing nitrogen atom, e.g. bipyridyl, 2-aminopyridine comprising aliphatic or saturated rings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2204Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208Oxygen, e.g. acetylacetonates
    • B01J31/2226Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • B01J31/223At least two oxygen atoms present in one at least bidentate or bridging ligand
    • B01J31/2239Bridging ligands, e.g. OAc in Cr2(OAc)4, Pt4(OAc)8 or dicarboxylate ligands
    • 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
    • D21C9/1026Other features in bleaching processes
    • D21C9/1036Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21C9/16Bleaching ; Apparatus therefor with per compounds
    • D21C9/163Bleaching ; Apparatus therefor with per compounds with peroxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/02Compositional aspects of complexes used, e.g. polynuclearity
    • B01J2531/0213Complexes without C-metal linkages
    • B01J2531/0216Bi- or polynuclear complexes, i.e. comprising two or more metal coordination centres, without metal-metal bonds, e.g. Cp(Lx)Zr-imidazole-Zr(Lx)Cp
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/02Compositional aspects of complexes used, e.g. polynuclearity
    • B01J2531/0238Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P
    • B01J2531/0258Flexible ligands, e.g. mainly sp3-carbon framework as exemplified by the "tedicyp" ligand, i.e. cis-cis-cis-1,2,3,4-tetrakis(diphenylphosphinomethyl)cyclopentane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/70Complexes comprising metals of Group VII (VIIB) as the central metal
    • B01J2531/72Manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80Complexes comprising metals of Group VIII as the central metal
    • B01J2531/84Metals of the iron group
    • B01J2531/842Iron

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
BR9709108A 1996-05-20 1997-05-20 Processo para a deslignificação de material fibroso e uso de um catalisador BR9709108A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19620241A DE19620241A1 (de) 1996-05-20 1996-05-20 Verfahren zum Delignifizieren von Zellstoffen und Verwendung eines Katalysators
PCT/EP1997/002557 WO1997044520A1 (en) 1996-05-20 1997-05-20 A method for the delignification of fibrous material and use of a catalyst

Publications (1)

Publication Number Publication Date
BR9709108A true BR9709108A (pt) 1999-08-03

Family

ID=7794779

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9709108A BR9709108A (pt) 1996-05-20 1997-05-20 Processo para a deslignificação de material fibroso e uso de um catalisador

Country Status (8)

Country Link
US (1) US20010025695A1 (pt)
EP (1) EP0900300A1 (pt)
JP (1) JP2000510914A (pt)
CN (1) CN1225698A (pt)
BR (1) BR9709108A (pt)
CA (1) CA2255588A1 (pt)
DE (1) DE19620241A1 (pt)
WO (1) WO1997044520A1 (pt)

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DE60238675D1 (de) * 2001-06-06 2011-02-03 Dequest Ag Verfahren und wässerige zusammensetzung zur herstellung von verbessertem zellstoff
US7189306B2 (en) * 2002-02-22 2007-03-13 Gervais Gibson W Process of treating lignocellulosic material to produce bio-ethanol
US20060070711A1 (en) * 2004-09-30 2006-04-06 Mengkui Luo Low pH treatment of pulp in a bleach sequence to produce pulp having low D.P. and low copper number for use in lyocell manufacture
US20060065377A1 (en) * 2004-09-30 2006-03-30 Mengkui Luo High PH treatment of pulp in a bleach sequence to produce pulp having low D.P. and low copper number for use in lyocell manufacture
PT1883730E (pt) * 2005-05-27 2012-09-26 Catexel Ltd Processo para branquear
CN101331260B (zh) * 2005-10-12 2012-05-30 荷兰联合利华有限公司 底物的漂白
US7976582B2 (en) * 2007-01-16 2011-07-12 Conopco, Inc. Bleaching of substrates
EP2149569A1 (en) * 2008-08-01 2010-02-03 Hexion Specialty Chemicals Research Belgium S.A. Process for the manufacture of a 1,2-Epoxide
EP2149570A1 (en) * 2008-08-01 2010-02-03 Hexion Specialty Chemicals Research Belgium S.A. Process for the manufacture of epichlorohydrin using hydrogen peroxide and a manganese komplex
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
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
MX382646B (es) 2009-05-28 2025-03-13 Gp Cellulose Gmbh Celulosa modificada a partir de fibra kraft química y métodos para elaborarla y su uso.
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
WO2011032666A1 (de) 2009-09-18 2011-03-24 Clariant International Ltd Verfahren zur herstellung von verbrückten mangan-komplexen des triazacyclononans
FR2951096B1 (fr) * 2009-10-09 2013-03-15 Total Sa Procede d'oxydation de composes organiques
EP2343288A1 (en) 2009-11-27 2011-07-13 Momentive Specialty Chemicals Research Belgium S.A. Process for the manufacture of propylene oxide
DE102009057222A1 (de) 2009-12-05 2011-06-09 Clariant International Ltd. Bleichkatalysator-Compounds, Verfahren zu ihrer Herstellung und ihre Verwendung
DE102009057220A1 (de) 2009-12-05 2011-06-09 Clariant International Ltd. Nicht hygroskopische Übergangsmetallkomplexe, Verfahren zu ihrer Herstellung und ihre Verwendung
EP2354130A1 (en) 2010-02-02 2011-08-10 Momentive Specialty Chemicals Research Belgium Manufacture of an epoxyethyl carboxylate or glycidyl carboxylate
EP2354131A1 (en) 2010-02-02 2011-08-10 Momentive Specialty Chemicals Research Belgium Process for the manufacture of a 1,2-epoxide and a device for carrying out said process
EP2357180A1 (en) 2010-02-02 2011-08-17 Momentive Specialty Chemicals Research Belgium S.A. Manufacture of epoxyethyl ethers or glycidyl ethers
EP2354129A1 (en) 2010-02-02 2011-08-10 Momentive Specialty Chemicals Research Belgium S.A. Epoxidation process
BR112012022168B1 (pt) 2010-03-03 2018-06-26 Catexel Limited “material sólido obtido por um processo de síntese de um sal de catalisador de manganês dinuclear a partir de um ligante e processo de síntese de um sal de catalisador de manganês dinuclear a partir de um ligante”
EP2377614A1 (en) * 2010-04-16 2011-10-19 Unilever Plc, A Company Registered In England And Wales under company no. 41424 of Unilever House Bleaching of substrates
EP2395147A1 (en) * 2010-05-10 2011-12-14 Unilever Plc, A Company Registered In England And Wales under company no. 41424 of Unilever House Freeness of paper products
CN103703184B (zh) 2011-05-23 2016-09-07 Gp纤维素股份有限公司 具有改进的白度和亮度的针叶树材牛皮纸纤维及其制造和使用方法
EP2537836A1 (en) 2011-06-22 2012-12-26 Momentive Specialty Chemicals Research Belgium S.A. Apparatus and methods to preserve catalyst activity in an epoxidation process
BR112014005435B1 (pt) 2011-09-08 2019-11-12 Catexel Ltd método de preparação de um pó e pó
WO2013106703A1 (en) 2012-01-12 2013-07-18 Georgia-Pacific Consumer Products Lp A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same
US8871051B2 (en) 2012-03-21 2014-10-28 Los Alamos National Security, Llc Process for decomposing lignin in biomass
CN106968127B (zh) 2012-04-18 2019-03-01 Gp纤维素股份有限公司 用于粘胶溶液的针叶木牛皮纸浆
EP2954115B1 (en) 2013-02-08 2022-01-12 GP Cellulose GmbH Softwood kraft fiber having an improved a-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
AU2014229512B2 (en) 2013-03-15 2017-06-22 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
WO2015022502A1 (en) 2013-08-16 2015-02-19 Chemsenti Limited Composition
US9371228B2 (en) * 2013-09-12 2016-06-21 Air Products And Chemicals, Inc. Integrated process for production of ozone and oxygen
RU2016122102A (ru) 2013-11-06 2017-12-11 Эвоник Дегусса Гмбх Способ делигнификации и отбелки целлюлозы
AR104939A1 (es) 2015-06-10 2017-08-23 Chemsenti Ltd Método oxidativo para generar dióxido de cloro
AR104940A1 (es) 2015-06-10 2017-08-23 Chemsenti Ltd Método para generar dióxido de cloro
WO2018093697A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
US20220332673A1 (en) * 2019-06-26 2022-10-20 University Of Florida Research Foundation, Inc. Catalytic depolymerization of lignin to high value hydrocarbons
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ES2100925T3 (es) * 1990-05-21 1997-07-01 Unilever Nv Activacion de blanqueador.
CA2083661A1 (en) * 1991-11-26 1993-05-27 Rudolf J. Martens Detergent bleach compositions
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DE4416438A1 (de) * 1994-05-10 1995-11-16 Basf Ag Ein- oder mehrkernige Metall-Komplexe und ihre Verwendung als Bleich- und Oxidationskatalysatoren
BR9507984A (pt) * 1994-06-13 1997-11-18 Unilever Nv Catalisador de alvejamento e de oxidação e composição alvejante
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DE19530787A1 (de) * 1995-08-22 1997-02-27 Hoechst Ag Mangan enthaltende Polyoxometallate, Synthese und Verwendung

Also Published As

Publication number Publication date
WO1997044520A1 (en) 1997-11-27
CN1225698A (zh) 1999-08-11
DE19620241A1 (de) 1997-11-27
EP0900300A1 (en) 1999-03-10
JP2000510914A (ja) 2000-08-22
CA2255588A1 (en) 1997-11-27
US20010025695A1 (en) 2001-10-04

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]