Affiliation: | 1. Universit?t Bayreuth, Lehrstuhl für Chemische Verfahrenstechnik, Zentrum für Energietechnik (ZET), 95440 Bayreuth, DeutschlandUniversit?t Bayreuth, Lehrstuhl für Chemische Verfahrenstechnik, Zentrum für Energietechnik (ZET), 95440 Bayreuth, Deutschland;2. Universit?t Bayreuth, Lehrstuhl für Chemische Verfahrenstechnik, Zentrum für Energietechnik (ZET), 95440 Bayreuth, Deutschland;3. Evonik Industries AG, Paul Baumann Stra?e 1, 45772 Marl, Deutschland;4. Ruhr‐Universit?t Bochum, Lehrstuhl für Theoretische Chemie, 44780 Bochum, Deutschland;5. Universit?t Regensburg, Lehrstuhl für Organische Chemie, 93040 Regensburg, Deutschland;6. Universit?t Rostock, Leibniz‐Institut für Katalyse, Albert‐Einstein‐Stra?e 29a, 18059 Rostock, Deutschland. |
Abstract: | During the last decades, the engineering of chemical processes has focused more and more on energy efficiency and reduction of climate‐changing emissions. Regarding the synthesis of aldehydes, the photocatalytic dehydrogenation of alkanes to olefins, using visible (sun) light, and the subsequent hydroformylation of such olefins with CO2 seem to be capable to achieve both targets. This work deals mainly with catalyst concepts for both reaction steps. Here, kinetic studies of the photocatalytic alkane dehydrogenation are presented, and the feasibility of hydroformylation using CO2 is described in a continuous gas phase reaction. The problems that have to be solved befoe the technical application are discussed and an economic and ecological evaluation for both processes is carried out. |