Probing the effect of Si/Al ratio in Cu-CHA zeolite catalyst on SO2 exposure: in situ DR UV-vis spectroscopy and deactivation measurements

Reza K. Abasabadi,Ton V. W. Janssens,Silvia Bordiga,Gloria Berlier

Catalysis Science & Technology（2024）

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摘要

Cu-exchanged chabazite zeolite (Cu-HA) is one of the most effective catalysts for ammonia-assisted selective catalytic reduction (NH3-SCR) in diesel exhaust systems. However, this catalyst is sensitive to small amounts of...

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