Abstract
A number of Fe-containing ZSM-5 zeolites, such as HFeZSM-5 and HFeAlZSM-5 prepared by hydrothermal synthesis and Fe-modified ZSM-5 through solid-state ion-exchange, were adopted as methanol dehydration catalysts for syngas to dimethyl ether (STD) process. Their structures, acidic and basic properties were characterized by XRD, ESR, ICP-AES, TPD and FT-IR. Among these Fe-containing zeolites, the Fe-modified ZSM-5 displayed the highest dimethyl ether selectivity, least CO2 production. Some correlations between catalytic performance and acidity and basicity of Fe-containing ZSM-5 zeolite were discussed.
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Xia, J., Mao, D., Zhang, B. et al. One-Step Synthesis of Dimethyl Ether from Syngas with Fe-Modified Zeolite ZSM-5 as Dehydration Catalyst. Catalysis Letters 98, 235–240 (2004). https://doi.org/10.1007/s10562-004-8686-x
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DOI: https://doi.org/10.1007/s10562-004-8686-x