Unraveling the Coking and Deactivation Behavior of Al–Cs/SiO2 Catalyst in the Aldol Condensation of Methyl Propionate with Formaldehyde
Ran Ran,
Wei Zhu,
Guoliang Zhang
et al.
Abstract:The loaded acid−base bifunctional catalysts exhibit good catalytic performance in the synthesis of methyl methacrylate via aldol condensation of methyl propionate with formaldehyde, but they still suffer from deactivation caused by coke deposition. In this paper, coke deposition as well as consequential deactivation behavior of Cs/SiO 2 catalyst loaded with various amounts of Al was investigated under different reactant compositions by using nuclear magnetic resonance, thermogravimetric, Brunauer−Emmett−Teller… Show more
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