FER-type zeolite was recently recognized as good catalyst for DME synthesis via methanol dehydration or one-pot CO2 hydrogenation, in terms of DME selectivity, stability and coke formation. In this research, we investigated the role of crystal size of both FER- and MFI-type zeolites on catalysis of methanol dehydration to DME reaction. The results show that FER-type zeolites, both micro- and nano-sized, exhibit better performances than micro- sized MFI-type zeolite. On the contrary, the application of nano-sized MFI allows to obtain a DME selectivity similar to FER, but with higher DME production rate and a lower coke deposition.
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Titolo: | MFI vs. FER zeolite during methanol dehydration to dimethyl ether: The crystal size plays a key role |
Autori: | |
Data di pubblicazione: | 2021 |
Rivista: | |
Handle: | http://hdl.handle.net/20.500.11770/309451 |
Appare nelle tipologie: | 1.1 Articolo in rivista |