Dimethyl ether Carbonylation over Mordenite zeolite modified by
Compared with the [mmiz] + ion, the [dmim] + ion has a more methyl group, which is larger than the [mmiz] + ion. The steric hindrance would make the [dmim] + ions inaccessible to the acid sites in 8-MR channels. Consequently, the DME conversion significantly increases to 70%. Moreover, the 1.0-[dmim]-MOR catalyst also exhibits …
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