Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Catalytic Dehydration of Methanol to Dimethyl Ether (DME) over Solid-Acid Catalysts

  • Published : 2002.06.20
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Abstract

The conversion of dimethyl ether(DME) has been carried out over $\gamma-alumina$, silica-alumina, and modified $\gamma-aluminal$ catalysts. Especially, the water effect has been investigated on purpose to develop a suitable catalyst for one-step synthesis of DME from $CO_2$ hydrgenation, The $\gamma-Al_2O_3$ modified with 1 wt% silica is more active and less deactivated by water than unmodified one. $CO_2has$ no effect on catalytic dehydration of methanol to DME.

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