Abstract

Abstract Mesoporous carbon activated with HNO3 was demonstrated to be robust metal-free catalyst for direct dehydrogenation of propane without any auxiliary stream, exhibiting high selectivity and stability. The final propane conversion is 22.4% with stable propylene selectivity of 86.6% after 50 hours. HNO3 activation introduces more basic oxygen groups than the pristine carbon, which is believed to be active site in the dehydrogenation process.

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