Selective catalytic oxidation of ammonia by efficient FeOx in coal ash: insights from experimental and DFT studies

Key Points

• Ammonia oxidation is enhanced by iron oxides in coal ash, leading to improved catalytic activity.
• Key metrics indicate that iron oxides effectively convert ammonia, reaching significant conversion rates.
• The study employed density functional theory to explore the mechanisms at the molecular level, revealing reactive intermediates.
• These findings highlight the potential for using coal ash as a catalytic material, boosting sustainability in waste management.