Kinetic Study of Advanced Oxidation of Ibuprofen: Influence of H2O2, Fe(II), and pH on TOC Removal

• Author(s): Ari Gideon
• Paper ID: 1709797
• Page: 1058-1066
• Published Date: 25-07-2025
• Published In: Iconic Research And Engineering Journals
• Publisher: IRE Journals
• e-ISSN: 2456-8880
• Volume/Issue: Volume 9 Issue 1 July-2025

Abstract

This study investigates the kinetics of total organic carbon (TOC) removal from ibuprofen (IP)-contaminated water through a Fenton-based advanced oxidation process (AOP). A series of controlled experiments were conducted to examine the individual and combined effects of hydrogen peroxide (H?O?) concentration, ferrous ion (Fe²?) dosage, and pH on the efficiency of organic degradation. The reaction kinetics were monitored by measuring TOC at regular intervals using varying volumes of H?O? (1–8 mL), Fe(II) (1–7.5 mL), and pH values (2.1–3.1), while maintaining other conditions constant. Results demonstrated that TOC removal increased with higher H?O? concentrations, attributed to enhanced generation of hydroxyl radicals. The optimal pH for TOC removal was found to be 2.5, as lower or higher pH levels led to either radical quenching or catalyst precipitation. A complex factorial design revealed that the most effective removal (?30% TOC reduction within 24 hours) occurred at an oxidant-to-catalyst (ox/cat) ratio of 15 and an oxidant-to-contaminant (ox/IP) ratio of 76. These findings provide insights into the optimization of Fenton-based AOPs for the treatment of emerging pharmaceutical contaminants in water systems.

Keywords

Fenton Oxidation, Ibuprofen Degradation, TOC Removal, Water Treatment

Citations

IRE Journals:
Ari Gideon "Kinetic Study of Advanced Oxidation of Ibuprofen: Influence of H2O2, Fe(II), and pH on TOC Removal" Iconic Research And Engineering Journals Volume 9 Issue 1 2025 Page 1058-1066

IEEE:
Ari Gideon "Kinetic Study of Advanced Oxidation of Ibuprofen: Influence of H2O2, Fe(II), and pH on TOC Removal" Iconic Research And Engineering Journals, 9(1)