Abstract
The oxidative dehydrogenation of propane on α-Fe 2O 3 (hematite) was examined in the presence and absence of tetrachloromethane (TCM) at 723 K. The conversion of propane and the selectivity to propylene were evidently improved upon addition of TCM into the feedstream under oxygen limited conditions. It has been described that the suppression of the phase transition of hematite to maghemite (γ-Fe 2O 3) and a formation of chlorinated species on the catalyst together with gaseous chlorinated species contributes to the activities in the presence of TCM.
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