Mechanistic investigation of benzene esterification by K2CO3/TiO2
The catalytic role of the multifunctional interface
Jittima Meeprasert (TU Delft - ChemE/Inorganic Systems Engineering)
Guanna Li (Wageningen University & Research)
E.A. Pidko (TU Delft - ChemE/Algemeen, TU Delft - ChemE/Inorganic Systems Engineering)
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Abstract
Potassium carbonate dispersed over a defective TiO2support (K2CO3/TiO2) is an efficient catalyst for benzene esterification with CO2and CH3OH. Density functional theory calculations reveal that this unique catalytic reactivity originates from the cooperation of the Ti3+/K+surface sites. The K2CO3promotor steers the stabilization of surface intermediates thus preventing catalyst deactivation.
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