The percentage of one-step pathway is higher for the Cr_2O_3/HMS catalyst than Cr_2O_3/MCM-41. The reason could be that the oxidation ability of chromia is higher than that of vanadia.
一步法反应路径的比例高于VO_x/MCM-41催化剂的41%,这可能是由于氧化铬的氧化能力强于氧化钒。
参考来源 - 二氧化碳气氛下乙苯脱氢制苯乙烯研究