Modulated Excitation DRIFTS and Steady-State Isotopic Transient Kinetic Analysis (SSITKA) of NH3-SCR-DeNOx on Cu-Containing Zeolite Y

Key Points

• The research aims to explore the catalytic properties of Cu-modified zeolite Y in NH3-SCR-DeNOx reactions.
• Utilized modulated excitation DRIFTS for excitation modulation analysis.
• Employed steady-state isotopic transient kinetic analysis (SSITKA) to study reaction kinetics.
• Analyzed commercial zeolite Y in Na+, H+, and NH4+ forms with specific n(Si)/n(Al) ratios.
• Demonstrated that copper modifications enhance the catalytic performance of zeolite Y.
• Observed notable changes in reaction kinetics depending on the ion forms present.
• Identified optimal conditions for effective NH3-SCR-DeNOx operations.