BR0016520A - Processo para a redução eletroquìmica de corantes reduzìveis - Google Patents
Processo para a redução eletroquìmica de corantes reduzìveisInfo
- 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
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)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (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.
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) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1458924A1 (de) * | 2001-12-20 | 2004-09-22 | 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 |
AU2003273714A1 (en) * | 2002-11-06 | 2004-06-07 | Tex-A-Tec Ag | Method for the electrochemical reduction of vat and sulphur dyes |
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 | Hong Kong Productivity Council | 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 |
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 |
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 |
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 |
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 |
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 |
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 |
EP3887577B1 (en) | 2018-11-30 | 2022-12-07 | Sedo Engineering SA | By-products (impurity) removal |
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 |
Family Cites Families (4)
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 |
WO2000031334A2 (de) * | 1998-11-24 | 2000-06-02 | Walter Marte | Verfahren und apparatur zur reduktion von küpen- und schwefelfarbstoffen |
-
1999
- 1999-12-22 DE DE19962155A patent/DE19962155A1/de not_active Withdrawn
-
2000
- 2000-12-21 JP JP2001546987A patent/JP2003518198A/ja not_active Withdrawn
- 2000-12-21 EP EP00991621A patent/EP1242672A2/de not_active Withdrawn
- 2000-12-21 AU AU33652/01A patent/AU3365201A/en not_active Abandoned
- 2000-12-21 CN CN00816731A patent/CN1408037A/zh active Pending
- 2000-12-21 WO PCT/EP2000/013103 patent/WO2001046497A2/de not_active Application Discontinuation
- 2000-12-21 KR KR1020027008115A patent/KR20020080347A/ko not_active Application Discontinuation
- 2000-12-21 BR BR0016520-4A patent/BR0016520A/pt not_active Application Discontinuation
- 2000-12-21 US US10/149,727 patent/US20030098246A1/en not_active Abandoned
- 2000-12-21 MX MXPA02006334A patent/MXPA02006334A/es unknown
-
2003
- 2003-09-29 US US10/673,840 patent/US20040069653A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2001046497A3 (de) | 2001-12-13 |
AU3365201A (en) | 2001-07-03 |
WO2001046497A2 (de) | 2001-06-28 |
CN1408037A (zh) | 2003-04-02 |
US20040069653A1 (en) | 2004-04-15 |
EP1242672A2 (de) | 2002-09-25 |
MXPA02006334A (es) | 2002-12-13 |
US20030098246A1 (en) | 2003-05-29 |
KR20020080347A (ko) | 2002-10-23 |
JP2003518198A (ja) | 2003-06-03 |
DE19962155A1 (de) | 2001-06-28 |
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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] |