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Nils Oliver Ortner

Untersuchung und Entwicklung von Katalysatoren zur Beeinflussung der Reaktionswege für die Hydrierung von CO2 zu Methanol

Universität Rostock, 2023

https://doi.org/10.18453/rosdok_id00004410

Abstract: In this study, CuZn-based catalysts for the CO2 hydrogenation to methanol were investigated and further developed. By doping CuZn/ZrOx with oxides of In, La, Y and Ti, the rates of the individual reaction steps could be changed and the catalytic performance was improved. In addition, kinetic studies on a CuZnAlOx catalyst demonstrated that there are separate active sites for the formation and the decomposition of methanol. By saturating the decomposition sites, an unusually high methanol selectivity of 93 % was achieved at a CO2 conversion of 18.9 %.

doctoral thesis   free access