On the reaction mechanism of MnOx/SAPO-34 bifunctional catalysts for the conversion of syngas to light olefins
Résumé
MnOx/SAPO-34 bifunctional catalysts are efficient for the conversion of syngas to light olefins. However, the reaction mechanism is still debated in particular the nature of the intermediate formed on MnOx (ketene vs methanol). In this study, it was evidenced from catalytic data and in situ DRIFT measurements that methanol is a key reaction intermediate produced on MnOx that synergistically reacts with SAPO-34 to produce light olefins.
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