Fenton and electro Fenton process assisted with chelating agent for ivermectin removal
DOI:
https://doi.org/10.33064/iycuaa2025957175Keywords:
chelating agent, electrochemical oxidation, pharmaceutical drugs, emergent pollutants, stainless steel electrodesAbstract
Ivermectin is an antiparasitic drug that has increased in use during the COVID-19 pandemic as part of a provisional treatment and it has been detected in wastewater systems. The AOPs applied to remove drugs have proven to be efficient. Using a Box-Behnken experimental design, the optimal conditions of the electro Fenton process with stainless steel (anode) and stainless steel coated with activated carbon (cathode) for removing ivermectin in wastewater were obtained. The optimized reagent concentrations are 71.7 mg/L FeSO4, 80 mg/L H2O2, 99 mg/L citric acid, and 13.74 mA/cm² current density. The optimization of the electro Fenton process achieves 87% removal of the drug. Adding 0.5 g of NaCl as a supporting electrolyte allows good management of the current intensity but implies an excessive increase in chlorides.
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Copyright (c) 2025 Víctor Ángeles-De la Luz, Rocío Girón-Navarro, Ivonne Linares-Hernández, Verónica Martínez-Miranda , Luis Antonio Castillo-Suárez, Fortunata Santoyo-Tepole
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