Arsenic removal mediated by acidic pH neutralization and iron precipitation in microbial fuel cells

• Published in: The Science of the total environment Vol. 645; pp. 471 - 481
• Main Authors: Leiva, Eduardo, Leiva-Aravena, Enzo, Rodríguez, Carolina, Serrano, Jennyfer, Vargas, Ignacio
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier B.V 15.12.2018
• Subjects: Acid mine drainage; Arsenic removal; Iron oxyhydroxides; iron removal; Microbial fuel cells; Microbial fuel cells; Arsenic removal; iron removal; Acid mine drainage; Iron oxyhydroxides

•Arsenic and iron concentrations were removed in microbial fuel cell systems.•Biofilms on electrodes were tolerant to low pH and high concentrations of metals.•pH neutralization favored the formation of Fe minerals, and subsequent As removal.•XRD analysis suggests the precipitation of Amorphous Fe m...