Abstract
The utilization of carbon dioxide (CO2) have been a lot of attention nowadays many researchers are trying to convert to methanol which has high demand in the terms of energy and chemical feedstock. The catalytic CO2 hydrogenation was performed in continuous fixed-bed reactor. In this study, the influent of calcination temperatures over a series of copper-based catalyst with different promoted loading such as zinc, which prepared via impregnation methods supported on gamma-alumina were investigated. The characterization of the catalysts was studied using BET, TPR and XRD. The highest concentration of methanol converted from CO2 was found at bimetallic copper-zinc catalyst with molar ratio of 1:1 and calcination temperature of 300 °C STY of 16.36 gkgCat-1h-1 with MeOH selectivity as 22.54%.
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