Journal
JOURNAL OF NATURAL GAS CHEMISTRY
Volume 16, Issue 3, Pages 322-325Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S1003-9953(07)60066-8
Keywords
dimethyl ether; dimethoxymethane; catalytic oxidation; Cs modified H3PW12O40/SiO2; XRD
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The attractive utilization route for one-step catalytic oxidation of dimethyl ether to dimethoxymethane was successfully carried out over the H3PW12O40(40%)/SiO2 catalyst, modified by Cs, K, Ni, and V. The Cs modification of H3PW12O40(40%)/SiO2 gave the most promising result of 20% dimethyl ether conversion and 34.8% dimethoxymethane selectivity. Dimethoxymethane could be synthesized via methoxy groups decomposed from dimethyl ether through the synergistic effect between the acid sites and the redox sites of Cs modified. H3PW12O40(40%)/SiO2.
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