Precision Synthesis of Heterogeneous Epoxidation Catalysts based on Ti - Mania, Philipp
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In this work, different catalysts were synthesized by chemical vapor deposition of titanium tetrachloride onto Aerosil200 from Evonik© serving as an amorphous silica source, similar to the synthesis of the catalyst of Shell's SMPO process©, and presumably also similar to the titanium site in TS-1©. The catalysts were characterized by different spectroscopical methods (e.g. 35Cl NMR, 51V NMR, isotope exchange experiments) and molecuar models for the as obtained surface species were suggested. Finally, the prepared catalysts were used for kinetic experiments and compared to TS-1© in epoxidation of different olefins.…mehr

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Produktbeschreibung
In this work, different catalysts were synthesized by chemical vapor deposition of titanium tetrachloride onto Aerosil200 from Evonik© serving as an amorphous silica source, similar to the synthesis of the catalyst of Shell's SMPO process©, and presumably also similar to the titanium site in TS-1©. The catalysts were characterized by different spectroscopical methods (e.g. 35Cl NMR, 51V NMR, isotope exchange experiments) and molecuar models for the as obtained surface species were suggested. Finally, the prepared catalysts were used for kinetic experiments and compared to TS-1© in epoxidation of different olefins.
Autorenporträt
1985 in Beckendorf-Neindorf born, after his German Abitur in 2004 he has been studying Chemistry at ETH Zurich. Several international research projects and intern ships (2006 IC London in England, 2007 at BASF in Ludwigshafen, Germany, and 2009 UCSB, Santa Barbara, USA). Subsequently PhD at ETH Zurich and 2013 Post-doc at CPE, CNRS, in Lyon, France