Similar inhibition occurred in the HDS reaction of DBT over CoMo/Al_2O_3, however, in the case of DMDBT, H_2S suppressed direct desulfurization route while promoted hydrogenation route.

• 对于CoMo/Al2 O3 催化剂上DBT转化中的加氢反应也有抑制作用；但促进了DMDBT转化中加氢反应的进行.