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Interaction between pH and conductivity in the indirect electro-oxidation of azo dyes
dc.contributor.author | Gutiérrez Bouzán, María Carmen |
dc.contributor.author | Pepió Viñals, Montserrat |
dc.contributor.other | Universitat Politècnica de Catalunya. Institut d'Investigació Tèxtil i Cooperació Industrial de Terrassa |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Estadística i Investigació Operativa |
dc.date.accessioned | 2015-01-19T12:00:03Z |
dc.date.created | 2014-12-10 |
dc.date.issued | 2014-12-10 |
dc.identifier.citation | Gutierrez, M.; Pepio, M. Interaction between pH and conductivity in the indirect electro-oxidation of azo dyes. "Industrial & engineering chemistry research", 10 Desembre 2014, vol. 53, núm. 49, p. 18993-19000. |
dc.identifier.issn | 0888-5885 |
dc.identifier.uri | http://hdl.handle.net/2117/25907 |
dc.description.abstract | The indirect electro-oxidation of dyes results in a rapid break of the dye molecules. The influence of the dye chromophore in this process has already been demonstrated. In this work, an electrochemical treatment in a batch cell with Ti/Pt anode is applied to degrade two reactive dyes (Color Index Reactive Oranges 4 and 13) in the presence of chloride ions, usually used as dyeing electrolyte. For the two dyes, kinetic constants were modeled. A clear influence of the reactive group in the response surfaces was found despite the unique difference between both dyes being only one substituent (OH or NH2). Models are strongly dependent on pH and conductivity. Also, an important interaction of both factors was evidenced, which can be attributed to different mechanisms of oxidizing species generation. |
dc.format.extent | 8 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Enginyeria química::Indústries químiques::Química tèxtil |
dc.subject | Àrees temàtiques de la UPC::Enginyeria tèxtil ::Fabricació tèxtil::Tintura |
dc.subject.lcsh | Dyes and dyeing--Chemistry |
dc.subject.lcsh | Electrolytic oxidation |
dc.subject.other | TEXTILE WASTE-WATER |
dc.subject.other | ELECTROCHEMICAL OXIDATION |
dc.subject.other | REACTIVE DYES |
dc.subject.other | DYEING EFFLUENTS |
dc.subject.other | REUSE |
dc.subject.other | SCALE |
dc.subject.other | DECOLORIZATION |
dc.subject.other | DECOLORATION |
dc.subject.other | DEGRADATION |
dc.subject.other | ELECTRODES |
dc.title | Interaction between pH and conductivity in the indirect electro-oxidation of azo dyes |
dc.type | Article |
dc.subject.lemac | Teixits i tèxtils -- Tints i tenyit |
dc.subject.lemac | Química tèxtil |
dc.contributor.group | Universitat Politècnica de Catalunya. ENMA - Enginyeria del Medi Ambient |
dc.contributor.group | Universitat Politècnica de Catalunya. AS3 - Estadística Aplicada i Ciències Socials |
dc.identifier.doi | 10.1021/ie502460e |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 15389091 |
dc.description.version | Postprint (published version) |
dc.date.lift | 10000-01-01 |
local.citation.author | Gutierrez, M.; Pepio, M. |
local.citation.publicationName | Industrial & engineering chemistry research |
local.citation.volume | 53 |
local.citation.number | 49 |
local.citation.startingPage | 18993 |
local.citation.endingPage | 19000 |
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