Abstract
In this work, we studied the conversion of ethanol to propylene over ZSM-5 zeolites. The catalytic performance of H-ZSM-5 (Si/Al2 = 30, 80, and 280) and ZSM-5 (Si/Al2 = 80) modified with various metals was investigated. H-ZSM-5(Si/Al2 = 80) afforded high propylene yield, which indicates that a moderate surface acidity favored propylene production. Zr-modified ZSM-5(80) gave the highest yield (32%) of propylene at 773 K. Furthermore, the catalytic stability of the zeolite was improved by the modification of zirconium. The surface acidity and the presence of metal ions played important roles on the production of propylene.
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Song, Z., Takahashi, A., Mimura, N. et al. Production of Propylene from Ethanol Over ZSM-5 Zeolites. Catal Lett 131, 364–369 (2009). https://doi.org/10.1007/s10562-009-0071-3
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DOI: https://doi.org/10.1007/s10562-009-0071-3