Abstract
Zeolite ZSM-5 (MFI) due to its excellent hydrothermal stability and high catalytic activity for methanol dehydration to dimethyl ether (MID) has been considered for use in combination with a methanol synthesis catalyst, such as Cu/ZnO/Al2O3, in the conversion of syngas to dimethyl ether. However, the decline of dimethyl ether selectivity
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