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- ItemHighly Efficient and Atom Economic Route for the Production of Methyl Acrylate and Acetic Acid from a Biorefinery Side Stream(Washington, DC : American Chemical Society, 2020) El Ouahabi F.; Polyakov M.; Van Klink G.P.M.; Wohlrab S.; Tin S.; De Vries J.G.We report a highly efficient and 100% atom economic synthesis of methyl acrylate and acetic acid via gas phase pyrolysis of methyl 3-acetoxypropionate at 600 °C. The latter can be produced in a single step from methyl levulinate, a side product of Avantium's FDCA process. Copyright © 2020 American Chemical Society.
- ItemJudging the feasibility of TiO2 as photocatalyst for chemical energy conversion by quantitative reactivity determinants(Cambridge : RSC Publ., 2019) Dilla, Martin; Moustakas, Nikolaos G.; Becerikli, Ahmet E.; Peppel, Tim; Springer, Armin; Schlögl, Robert; Strunk, Jennifer; Ristig, SimonIn this study we assess the general applicability of the widely used P25-TiO2 in gas-phase photocatalytic CO2 reduction based on experimentally determined reactivity descriptors from classical heterogeneous catalysis (productivity) and photochemistry (apparent quantum yield/AQY). A comparison of the results with reports on the use of P25 for thermodynamically more feasible reactions and our own previous studies on P25-TiO2 as photocatalyst imply that the catalytic functionality of this material, rather than its properties as photoabsorber, limits its applicability in the heterogeneous photocatalytic CO2 reduction in the gas phase. The AQY of IrOx/TiO2 in overall water splitting in a similar high-purity gas-solid process was four times as high, but still far from commercial viability.