论文部分内容阅读
Toluene pretreatment caused many activated toluene species existing on the surface of zeolite HZSM-5, by which the activity of sample was increased. Moreover, variation in the surface Si+/Al+ ratio of HZSM-5 was sensitively detected by FABMS.
Toluene pretreatment caused many activated toluene species existing on the surface of zeolite HZSM-5, by which the activity of sample was increased., Variation in the surface Si + / Al + ratio of HZSM-5 was sensitively detected by FABMS.