Use of Combined Electrochemical Approaches for Mineralization and Detection of Hydroquinone Using PbO2 Electrodes

Authors

  • Alexsandro Jhones dos Santos ederal University of Rio Grande do Norte
  • Daniela Karla de Souza Xavier Federal University of Rio Grande do Norte
  • Djalma Ribeiro da Silva Federal University of Rio Grande do Norte
  • Marco Antonio Quiroz Universidad de las Américas Puebla
  • Carlos A. Martínez-Huitle Federal University of Rio Grande do Norte

DOI:

https://doi.org/10.29356/jmcs.v58i3.145

Keywords:

hydroquinone, electrochemical oxidation, differential pulse voltammetry, electroanalysis

Abstract

The electrochemical oxidation (EO) of hydroquinone (H2Q) has been performed, in acidic media, at PbO2 electrode by galvanostatic electrolysis applying 10 and 30 mAcm-2. The concentration of H2Q during its EO was also monitored by differential pulse voltammetry (DPV) by using PbO2 electrode. The experimental results of galvanostatic electrolyses showed that the performances of the process remarkably depend on the applied current density and in particular, the removal efficiencies obtained at PbO2 anode were 100% and 80%, at 30 and 10 mAcm-2, respectively. Additionally, the electroanalytical technique was efficiently used as a detection method during H2Q electrooxidation and when DPV analyses were compared with HPLC method, it achieved a good fit, confidence intervals and limits.

Downloads

Download data is not yet available.

Author Biographies

Alexsandro Jhones dos Santos, ederal University of Rio Grande do Norte

Institute of Chemistry

Daniela Karla de Souza Xavier, Federal University of Rio Grande do Norte

Institute of Chemistry

Djalma Ribeiro da Silva, Federal University of Rio Grande do Norte

Institute of Chemistry

Marco Antonio Quiroz, Universidad de las Américas Puebla

Grupo de Investigación en Energía y Ambiente

Carlos A. Martínez-Huitle, Federal University of Rio Grande do Norte

Institute of Chemistry

Downloads

Published

2017-10-12

Issue

Vol. 58 No. 3 (2014): Special Issue: Environmental Electrochemistry

Section

Regular Articles

License

Authors who publish with this journal agree to the following terms:

  • Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
  • Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.