Abstract
AbstractA new strategy, the coupling of methanol dehydrogenation and side‐chain alkylation of toluene, to realize highly effective conversion of methanol and toluene into styrene and ethylbenzene was proposed. A series of composite catalysts were designed by combining CsX with numerous catalysts reported to be effective for methanol dehydrogenation to formaldehyde. The studies of side‐chain alkylation of toluene with methanol over these composite catalysts indicated that the introduction of methanol dehydrogenation components could universally improve the yield of styrene and ethylbenzene in side‐chain alkylation of toluene with methanol. And the introduction of some methanol dehydrogenation components, i. e. sodium borate (Na2B4O7) and CuO/SiO2, could even double the yield of styrene and ethylbenzene. Furthermore, the influence of the mass ratio of different components and the spatial arrangement of different active sites on composite catalysts was investigated in detail.
Published Version
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