Direct conversion of syngas into aromatics over bifunctional catalyst without net releasing CO2
2020
Tandem catalysis via methanol intermediate is a promising route for the direct conversion of syngas into aromatics. However, the simultaneous formation of CO2 is a serious problem. Here, we demonstrate that CO2 is formed by the water-gas shift (WGS) reaction (CO + H2O → CO2 + H2) over a ZnO−ZrO2/H-ZSM-5 catalyst, and the net CO2 formation could be inhibited without affecting the formation of aromatics by co-feeding CO2.
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