Abstract
Ternary mixed oxide systems CuO/ZnO/ZrO2 and CuO/NiO/ZrO2 were synthesized by one-pot synthesis for a better understanding of the synthesis-property relationships of zirconium oxide-based catalyst materials. The prepared mixed oxide samples were analysed by a broad range of characterisation methods (XRD, N2-physisorption, Temperature-Programmed Ammonia Desorption (TPAD), and XPS) to examine the structural and surface properties, as well as to identify the location of the potential catalytically active sites. By XPS analysis, it could be shown that a progressive enrichment of the surface composition with copper takes place by changing from ZnO to NiO as a promoter. Thus, by addition of the second component, not only electronic but also the geometric properties of active sites, i.e., copper species distribution within the catalyst surface, can be affected in a desired way.
Highlights
Today, the development of new resource-efficient processes is indispensable to provide energy in the future
X-ray Diffraction (XRD) investigations revealed that the prepared samples are mixed oxide systems, with typical reflexes in the X-ray diffraction pattern clearly visible for the main components CuO, ZnO, or NiO
The potential catalytically active ternary mixed oxide systems on the zirconium oxide support were synthesized by the one-pot synthesis
Summary
The development of new resource-efficient processes is indispensable to provide energy in the future. In this context it is of great importance to develop novel, heterogeneous catalysts for production of liquid fuels derived from greenhouse gas carbon dioxide. Olah et al [1,2,3], Reschetilowski [4], and other authors [5,6] described methanol production from CO2 as advantageous using non-fossil energy sources, avoiding the CO2 sequestration and effectively recycling of it to reduce the greenhouse effect. Social, and economic scenario increasingly favours methanol production via conversion of carbon dioxide from various sources using electrolytic hydrogen. CuO/ZnO/Al2 O3 is the conventional catalyst for methanol synthesis from syngas
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