New insights into the structure performance relationships of Ce-based catalysts for synthesis of organic carbonates using CO2

10.18453/rosdok_id00002616 Prymak, Iuliia Iuliia Prymak http://d-nb.info/gnd/1203828284 New insights into the structure performance relationships of Ce-based catalysts for synthesis of organic carbonates using CO2 Universität Rostock 2019 540 Chemistry & allied sciences 2019 en http://purl.uni-rostock.de/rosdok/id00002616 urn:nbn:de:gbv:28-rosdok_id00002616-6 This work focuses on the chemical utilization of CO2 in organic synthesis by means of direct carboxylation of C1-C2 alcohols (methanol and ethanol, respectively) to organic carbonates, e.g. dimethyl carbonate (DMC) and/or diethyl carbonate (DEC), over pure and P-modified Ce-Zr-O catalysts. The catalysts containing 80 mol% Ce and 20 mol% Zr exhibited the most efficient performance, which could be attributed to a good balance between the basic and acidic sites on its surface. The DMC yield was successfully improved further from 0.24% to 1.6% by phosphate modification of Ce0.8Zr0.2O2.