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BR0016520A - Processo para a redução eletroquìmica de corantes reduzìveis - Google Patents

Processo para a redução eletroquìmica de corantes reduzìveis

Info

Publication number
BR0016520A
BR0016520A BR0016520-4A BR0016520A BR0016520A BR 0016520 A BR0016520 A BR 0016520A BR 0016520 A BR0016520 A BR 0016520A BR 0016520 A BR0016520 A BR 0016520A
Authority
BR
Brazil
Prior art keywords
electrochemical reduction
dyes
reducible
reducible dyes
cathode
Prior art date
Application number
BR0016520-4A
Other languages
English (en)
Inventor
Claudia Merk
Joerg Botzem
Guenther Huber
Norbert Grund
Original Assignee
Dystar Textilfarben Gmbh & Co
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 Dystar Textilfarben Gmbh & Co filed Critical Dystar Textilfarben Gmbh & Co
Publication of BR0016520A publication Critical patent/BR0016520A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/20—Processes
    • C25B3/25—Reduction
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
    • D06P5/2016—Application of electric energy
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/042—Electrodes formed of a single material
    • C25B11/043—Carbon, e.g. diamond or graphene
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/042—Electrodes formed of a single material
    • C25B11/046—Alloys
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
    • D06P1/221—Reducing systems; Reducing catalysts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/30—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using sulfur dyes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46119—Cleaning the electrodes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • C02F2001/46138—Electrodes comprising a substrate and a coating
    • C02F2001/46142—Catalytic coating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46152—Electrodes characterised by the shape or form
    • C02F2001/46157—Perforated or foraminous electrodes
    • C02F2001/46161—Porous electrodes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/308—Dyes; Colorants; Fluorescent agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

"PROCESSO PARA A REDUçãO ELETROQUìMICA DE CORANTES REDUZìVEIS". A invenção refere-se ao processo para a redução eletroquímica de corantes reduzíveis por meio de colocação em contato do corante reduzível com um catodo, compreendendo um suporte de um material que conduz eletricidade e de uma camada formada no mesmo in situ por depósito, condutor de eletricidade, polarizada por catodo, caracterizado pelo fato de que a redução eletroquímica é realizada na presença de uma base.
BR0016520-4A 1999-12-22 2000-12-21 Processo para a redução eletroquìmica de corantes reduzìveis BR0016520A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19962155A DE19962155A1 (de) 1999-12-22 1999-12-22 Verfahren zur elektrochemischen Reduktion von Küpenfarbstoffen
PCT/EP2000/013103 WO2001046497A2 (de) 1999-12-22 2000-12-21 Verfahren zur elektrochemischen reduktion von reduzierbaren farbstoffen

Publications (1)

Publication Number Publication Date
BR0016520A true BR0016520A (pt) 2002-09-24

Family

ID=7933903

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0016520-4A BR0016520A (pt) 1999-12-22 2000-12-21 Processo para a redução eletroquìmica de corantes reduzìveis

Country Status (10)

Country Link
US (2) US20030098246A1 (pt)
EP (1) EP1242672A2 (pt)
JP (1) JP2003518198A (pt)
KR (1) KR20020080347A (pt)
CN (1) CN1408037A (pt)
AU (1) AU3365201A (pt)
BR (1) BR0016520A (pt)
DE (1) DE19962155A1 (pt)
MX (1) MXPA02006334A (pt)
WO (1) WO2001046497A2 (pt)

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* Cited by examiner, † Cited by third party
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WO2003054286A1 (de) * 2001-12-20 2003-07-03 Tex-A-Tec Ag Verfahren und apparatur zur elektrokatalytischen hydrierung von küpen- und schwefelfarbstoffen
DE10234825A1 (de) * 2002-07-31 2004-02-19 Dystar Textilfarben Gmbh & Co. Deutschland Kg Verfahren zum Färben mit Schwefel- und Schwefelküpenfarbstoffen
EP1563137A1 (de) * 2002-11-06 2005-08-17 Tex-A-Tec Ag Verfahren zur elektrochemischen reduktion von küpen- und schwefelfarbstoffen
US6984303B2 (en) * 2003-02-25 2006-01-10 Noveon Ip Holdings Corp. Electrochemical production of dyes using graphite felt electrodes
HK1067926A2 (en) * 2004-01-20 2005-03-24 香港生产力促进局 An electrochemical dye reducing method
ITMI20052297A1 (it) 2005-11-30 2007-06-01 De Nora Elettrodi Spa Trattamento elettrochimico di soluzioni contenenti cromo esavalente
EP1870494A1 (en) 2006-06-23 2007-12-26 ETH Zürich, ETH Transfer Electrochemical reactor
US20080204238A1 (en) * 2007-02-28 2008-08-28 Symbol Technologies, Inc. Method to RFID enable electronic devices
CN102174731B (zh) * 2011-03-04 2012-11-07 东华大学 一种电化学还原的染色装置
CN102154793A (zh) * 2011-03-23 2011-08-17 东华大学 一种用于棉纱线电化学还原的染色装置
CN102433770A (zh) * 2011-08-31 2012-05-02 常州耀春格瑞纺织品有限公司 还原染料电化学快速清洁染色工艺
CN102704284A (zh) * 2012-06-11 2012-10-03 西安工程大学 一种用于纤维素纤维的活性染料电化学染色方法
CN103835164B (zh) * 2014-03-10 2016-01-13 江南大学 一种电化学间接还原染色中阴极介质续用方法
CN104843911B (zh) * 2015-05-04 2016-07-13 浙江树人大学 一种降解孔雀绿废水的方法
JP6542080B2 (ja) * 2015-09-11 2019-07-10 田中貴金属工業株式会社 電解水素水の溶存水素量向上方法
CN105648789A (zh) * 2016-03-23 2016-06-08 东华大学 一种利用石墨毡电极间接电化学还原染色的方法
CN106868533A (zh) * 2017-01-19 2017-06-20 武汉纺织大学 靛蓝染料的双组份络合体系间接电化学还原方法、体系及体系的制备方法
CN108754915A (zh) * 2018-05-24 2018-11-06 武汉纺织大学 电化学染料染色装置及方法
CN108642780A (zh) * 2018-05-24 2018-10-12 武汉纺织大学 一种以纱线染色辊为阴极的电化学染色装置及方法
CN108642760A (zh) * 2018-05-24 2018-10-12 武汉纺织大学 一种石墨烯电化学还原染色装置及方法
CN108951204B (zh) * 2018-05-24 2021-04-23 武汉纺织大学 一种以靛蓝染料对导电纱线进行电化学染色的方法
CN108589111A (zh) * 2018-05-24 2018-09-28 武汉纺织大学 利用导电涂覆纱线电化学还原染料染色装置及方法
CN108691116A (zh) * 2018-05-24 2018-10-23 武汉纺织大学 一种导电纱线电化学还原染色装置及方法
WO2020109583A1 (en) 2018-11-30 2020-06-04 Sedo Engineering Sa By-products (impurity) removal
US11753730B2 (en) 2018-11-30 2023-09-12 Sedo Engineering Sa Leucodye (such as leucoindigo) as dispersing aid
WO2020109595A1 (en) 2018-11-30 2020-06-04 Sedo Engineering Sa Electrochemical reactor and its cleaning or regeneration
CN112064056B (zh) * 2020-08-27 2021-06-25 西南民族大学 一种经济高效地电化学有机合成联苯类物质的方法
CN113529124B (zh) * 2021-06-09 2023-02-07 武汉纺织大学 电解水阴极材料及其制备方法以及该阴极材料在电催化氢化还原染料中的应用
CN116180108B (zh) * 2023-02-10 2026-01-02 浙江工业大学 一种不外加媒介和化学还原剂的高浓度靛蓝电化学还原方法
CN116397246A (zh) * 2023-03-14 2023-07-07 武汉纺织大学 一种用于还原染料的清洁高效电化学流动反应装置和方法
CN117777750B (zh) * 2023-12-26 2025-08-08 合肥单源催化科技有限公司 一种氢化靛蓝成靛白的方法
CN119592968B (zh) * 2024-12-30 2025-10-10 浙江工业大学 一种碱浓度可控的液体靛蓝电化学还原方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT398316B (de) * 1989-06-01 1994-11-25 Verein Zur Foerderung Der Fors Verfahren zur reduktion von farbstoffen
DE19620861A1 (de) * 1996-05-23 1997-11-27 Basf Ag Verfahren zur elektrochemischen Reduktion organischer Verbindungen
DE19831291A1 (de) * 1998-07-13 2000-01-20 Basf Ag Konzentrierte Lekoindigolösungen
EP1056900B1 (de) * 1998-11-24 2005-09-07 Walter Marte Verfahren und apparatur zur reduktion von küpen- und schwefelfarbstoffen

Also Published As

Publication number Publication date
JP2003518198A (ja) 2003-06-03
WO2001046497A3 (de) 2001-12-13
DE19962155A1 (de) 2001-06-28
CN1408037A (zh) 2003-04-02
WO2001046497A2 (de) 2001-06-28
MXPA02006334A (es) 2002-12-13
EP1242672A2 (de) 2002-09-25
KR20020080347A (ko) 2002-10-23
US20040069653A1 (en) 2004-04-15
AU3365201A (en) 2001-07-03
US20030098246A1 (en) 2003-05-29

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]