Abstract
Heterogeneous oxidation of 2-picoline over binary P–Ti, Sb–Ti, P–Sb, and V–Ti oxide catalysts was studied over the temperature range of 200–300°C. The vanadium–titanium catalysts based on titanium dioxide (anatase) were found to be the most selective for picolinic acid. With binary catalysts containing 20–50% of vanadium pentoxide, the selectivity for picolinic acid was 19–22% at the 36–74% conversion of 2-picoline. A distinguishing feature of these catalysts is regular surface stacking of V2O5 and TiO2 crystallites.
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Al'kaeva, E., Andrushkevich, T., Zenkovets, G. et al. Studies on the conditions of synthesis of picolinic acid by heterogeneous catalytic oxidation of 2-picoline. Catalysis Letters 54, 149–152 (1998). https://doi.org/10.1023/A:1019000610586
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DOI: https://doi.org/10.1023/A:1019000610586