Theoretical Investigation of Ethanol Conversion to Ethylene over H–ZSM–5 and Transition Metals–Exchanged ZSM–5 |
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Authors: | Parisa Dumrongsakda Vithaya Ruangpornvisuti |
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Affiliation: | (1) Center for Petroleum, Petrochemicals and Advanced Materials, Chulalongkorn University, Bangkok, 10330, Thailand;(2) Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; |
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Abstract: | Abstract Reaction mechanisms of ethanol conversion to ethylene over H–ZSM–5, Cu–ZSM–5, Ag–ZSM–5, and Au–ZSM–5 catalysts were investigated
using density functional theory calculations. Energetics, thermodynamic quantities, rate and equilibrium constants of ethanol
conversion to ethylene were obtained using the B3LYP/LanL2DZ method. The catalytic abilities of these catalysts on the reaction
rates of ethanol conversion to ethylene are in order: Au–ZSM–5 > > Ag–ZSM–5 > H–ZSM–5 > > Cu–ZSM–5. |
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