Carbon Dioxide Hydrogenation to Formic Acid by Using a Heterogeneous Gold Catalyst


  • This research was supported by Chimet SpA, Badia Al Pino, Italy. We thank Dr. R. Paciello and Dr. T. Schaub, BASF SE, Ludwigshafen, for the helpful discussions.


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AUROlite, consisting of gold supported on titania (picture shows extrudates in a steel net cage), is a robust catalyst for the production of catalyst-free HCOOH/NEt3 adducts from H2, CO2, and neat NEt3. Pure HCOOH is freed from the adducts by amine exchange.