%V 391
%I Trans Tech Publications Ltd
%A T.S. Tuan Sulong
%A N.S. Abd. Halim
%A N.A. Mohd Zabidi
%T Synthesis and characterization of double-promoted copper-based catalysts for CO2 hydrogenation into fuels
%P 60-65
%K Alumina; Aluminum oxide; Carbon dioxide; Catalyst activity; Catalysts; Copper; Copper compounds; Fueling; Fuels; Hydrogenation; Physicochemical properties; Zinc compounds, Catalytic hydrogenation; CO2 hydrogenation; Copper-based catalysts; Cu nano-particles; Cu-based catalyst; Impregnation methods; Product distributions; Synthesis and characterizations, Catalyst supports
%X Catalytic hydrogenation of CO2 into fuels and chemicals is regarded as one of the most promising alternatives to reduce the concentration of CO2 in the atmosphere. In this study, double-promoted Cu/ZnO catalysts were prepared on Al2O3 and CNTs supports via impregnation method. The physicochemical properties of the catalysts were characterized by XPS, TEM, N2 adsorption, H2-TPR and CO2-TPD analyses. Introduction of Nb and Zr promoters into the Cu-based catalysts on CNTs support resulted in smaller Cu nanoparticles and improved reducibility compared to those of the Al2O3-supported catalyst. The catalyst activity was evaluated in a fixed-bed stainless steel reactor operated at 22.5 bar and 523K. Conversion of CO2 higher than 20 was achieved and product distribution was influenced by the type of catalyst supports. © 2019 Trans Tech Publications, Switzerland
%L scholars12232
%J Defect and Diffusion Forum
%O cited By 0
%R 10.4028/www.scientific.net/DDF.391.60
%D 2019