However,the conversion of NB was influenced by the presence of DNB,and the deactivation of catalyst became rapid in the presence of DNB.

• 但与单纯的硝基苯加氢过程相比,间二硝基苯的加入使催化剂的失活加快,催化剂的比表面积随催化剂上积碳量的增加而线性下降。