Abstract
Selective catalytic reduction of NO x by NH3 over Cu–FER and Cu–ZSM-5 in the presence of n-decane and SO2 was investigated. NO x conversion over Cu–ZSM-5 decreased in the presence of n-decane, owing to inhibition of the active sites by coke formation. In contrast, coke formation was negligible over Cu–FER, which maintained its NO x conversion activity even in the presence of decane. Coke formation was negligible over H–ZSM-5 and H–FER supports, which suggests that Cu species were involved in coke formation. Temperature-programmed reduction by H2 and electron spin resonance spectroscopy indicated that [Cu–O–Cu]2+ was probably the Cu species involved in coke formation over Cu–ZSM-5.
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Nanba, T., Sultana, A., Masukawa, S. et al. High Resistance of Cu–Ferrierite to Coke Formation During NH3-SCR in the Presence of n-Decane. Top Catal 52, 1766 (2009). https://doi.org/10.1007/s11244-009-9339-5
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DOI: https://doi.org/10.1007/s11244-009-9339-5