Two kinds of HZSM-5 zeolite (SiO2/Al2O3 = 50,300) were introduced into the STD (syngas-to-DME) reaction and the double-function catalysts containing CuO/ZnO/Al2O3 and HZSM-5 were investigated by activity evaluation and NH3-TPD. It was found that the acidity of HZSM-5 played a critical role in the performance of STD catalyst, and an appropriate acidic amount was required to obtain the best activity of STD catalyst; more and less acidic amount were both unfavorable for DME yield.
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Wang, L., Qi, Y., Wei, Y. et al. Research on the Acidity of the Double-function Catalyst for DME Synthesis from Syngas. Catal Lett 106, 61–66 (2006). https://doi.org/10.1007/s10562-005-9191-6
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DOI: https://doi.org/10.1007/s10562-005-9191-6