Abstract
The study has focused on the development of bifunctional catalytic materials for the direct DME synthesis from CO2/H2. The industrial Cu/ZnO/Al2O3 is used as the copper based catalyst for the first step of the methanol synthesis from CO2/H2. It will be combined with hollow nano-ZSM-5 zeolites with mesoporous shell as the acid catalyst of the second step the methanol dehydration to DME. The bifunctional materials will be tested in the direct DME synthesis from CO2/H2 under the following conditions: T = 225 °C, p = 30 bar, H2/CO2 = 3. Under our reaction conditions, CO was not observed, only the DME majority product (77.5%) and CH3OH (22.5%) were obtained.
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