UV-Induced Enhancement of Acid Sites on Fly ash@TiO2 Photocatalysts for Continuous Ammonia Oxidation with Mechanistic Insights

Key Points

• Ammonia oxidation efficiency significantly improves with enhanced acid sites generated via UV treatment.
• The increase in acid sites under UV exposure correlates with higher photocatalytic performance in gas-phase reactions.
• This analysis employs a mechanistic approach to examine the interaction between fly ash and TiO2 under UV light.
• Findings support the feasibility of utilizing waste materials for advanced photocatalytic applications in environmental remediation.