REVIEW OF DESIGN VARIABLES AND OPERATION CONDITIONS IN ELECTROCOAGULATION

  • M. Piña-Soberanis Instituto Mexicano de Tecnología del Agua (IMTA)
  • A. Martín-Domínguez Instituto Mexicano de Tecnología del Agua (IMTA)
  • C.A. González-Ramírez Universidad Autónoma del Estado de Hidalgo (UAEH), Centro de Investigaciones Químicas
  • F. Prieto-García Universidad Autónoma del Estado de Hidalgo (UAEH), Centro de Investigaciones Químicas
  • A. Guevara-Lara Universidad Autónoma del Estado de Hidalgo (UAEH), Centro de Investigaciones Químicas
  • J.E. García-Espinoza Estudiante de postgrado de la Facultad de Ingeniería, Universidad Nacional Autónoma de México, UNAM
Keywords: electrocoagulation, electrodes, water treatment, design, metallic ions

Abstract

This document presents a bibliographical review of the most important theoretical principles on electrocoagulation; it also analyzes some designs and shows the most relevant results of electrocoagulation, as applied to the treatment of water for the purpose of eliminating several organic and inorganic pollutants. Some advantages of chemical coagulation are listed. Additionally, a comparative analysis of the experimental designs used and of the applied methodologies is made, so as to be able to identify the main variables that operate in removal mechanisms, such as current density, type of material used on the electrodes and their size, distance between electrodes, type of connections used, applied amperage and voltage, pH, temperature and water conductivity, as well as residence time and type of flow used. The specialized literature that was consulted shows that the mechanisms of electrocoagulation have not yet been clearly understood and there is little consideration of the factors that influence the effective removal of ionic species, especially metallic ions in water.

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Published
2020-05-05
How to Cite
Piña-Soberanis, M., Martín-Domínguez, A., González-Ramírez, C., Prieto-García, F., Guevara-Lara, A., & García-Espinoza, J. (2020). REVIEW OF DESIGN VARIABLES AND OPERATION CONDITIONS IN ELECTROCOAGULATION. Revista Mexicana De Ingeniería Química, 10(2), 257-271. Retrieved from http://www.rmiq.org/ojs311/index.php/rmiq/article/view/1667
Section
Environmental Engineering