Electrochemical oxidation of aniline at mono and bimetallic electrocatalysts supported on carbon nanotubes

• Tipo: Artigo em Revista Científica Internacional
• Data: 2015

Autores

M. Ferreira (Autor) Outra; M. F. Pinto (Autor) Outra; I. C. Neves (Autor) Outra; A. M. Fonseca (Autor) Outra; O. S. G. P. Soares (Autor) FEUP; J. J .M. Órfão (Autor) FEUP; M. F. R. Pereira (Autor) FEUP; J. L.Figueiredo (Autor) FEUP; P. Parpot (Autor) Outra

Revista

Título: Chemical Engineering Journal

Vol. 260

Páginas: 309-315

ISSN: 1385-8947

Editora: Elsevier

Indexação

ISI Web of Knowledge - 19 Citações

Scopus - 33 Citações

INSPEC

Projetos Associados

LSRE-LCM - Laboratório de Processos de Separação e Reação - Laboratório de Catálise e Materiais

LA 20 - PROJECTO ESTRATÉGICO - LA 20 - 2013-2014

Outras Informações

ID Authenticus: P-00A-0V7

DOI: 10.1016/j.cej.2014.08.005

Abstract (EN): The electrochemical mineralization of aniline, a compound that causes serious environmental problems, was investigated at Pt, Pd and Ru-Cu catalysts supported on multiwalled carbon nanotubes (CNTs). The modified electrodes, based on commercial CNT samples, were prepared and dispersed onto Toray carbon (CT) using a Nafion/water solution. The electroreactivity of aniline at the electrocatalysts based on CNTs, and the kinetic parameters of the redox reactions, were determined using cyclic voltammetry. In order to determine the conditions that allow an efficient mineralization, the electrochemical oxidation of aniline was carried out in a membrane separated electrochemical cell. The reaction products were identified and quantified using chromatographic methods in order to evaluate the mineralization efficiency. The highest conversions were obtained with the Ru-Cu/CNT/CT modified electrode.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 7