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Catalyst Development for CO2 Hydrogenation to Fuels

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons21320

Baerns,  Manfred
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Zitation

Rodemerck, U., Holeňa, M., Wagner, E., Smejkal, Q., Barkschat, A., & Baerns, M. (2013). Catalyst Development for CO2 Hydrogenation to Fuels. ChemCatChem: heterogeneous & homogeneous & bio-catalysis, 5(7), 1948-1955. doi:10.1002/cctc.201200879.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000E-FA1C-3
Zusammenfassung
New active and selective catalyst compositions for the hydrogenation of CO2 to mainly fuel-type higher hydrocarbons were developed by application of an evolutionary strategy. It was shown that Fe and K supported on TiO2 and modified by Cu plus other modifiers resulted in highest selectivity for C5–C15 hydrocarbons at high degrees of CO2 conversion. Co containing catalysts were less suited since they produced methane and light hydrocarbons with high selectivities. A detailed study of reaction conditions showed that selected catalyst compositions were able to reach high CO2 conversion with still low selectivities to methane at higher reaction temperatures and a higher H2/CO2 ratio. conversion with still low selectivities to methane at higher reaction temperatures and a higher H2/CO2 ratio.