Targeting Euro 7 and Forthcoming China 7 Emission Standard: Progress of Ammonia and Nitrous Oxide Purification Catalysts

Key Points

• This research aims to explore and advance catalysts for purifying ammonia and nitrous oxide emissions to comply with Euro 7 and China 7 standards.
• Examined formation pathways for ammonia and nitrous oxide emissions.
• Evaluated purification catalysts specifically designed for compliance with Euro 7 and China 7.
• Comparative analysis of catalyst effectiveness under various conditions.
• Successful identification of novel purification catalysts that significantly reduce NH3 and N2O emissions.
• Achieved up to 90% reduction in N2O emissions with new catalysts under standard test conditions.