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Published on: November 9, 2019
Boosting one-step conversion of cyclohexane to adipic acid by NO2 and VPO composite catalysts
Jian Jian1, Kuiyi You2, Xuezhi Duan3
1School of Chemical Engineering, Xiangtan University, Xiangtan 411105, P. R. China. youkuiyi@126.com hluo@xtu.edu.cn.
Abstract:
We demonstrate VPO composites as efficient catalysts for highly selective oxidation of cyclohexane to adipic acid with NO2. In particular, the Ni-Al-VPO composite catalyst exhibits the striking conversion of cyclohexane (60.6%) and exceptionally high selectivity towards adipic acid (85.0%). Moreover, N2O is an environmentally harmful gas, and its yield in the present process is only 0.03 t/t adipic acid, which is far below that obtained using the industrial method (0.3 t/t adipic acid). This work provides a new strategy for the one-step synthesis of dicarboxylic acids from cycloalkanes.
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