The reactions of thiophene contained in FCC naphtha over USY zeolite, rare earth metal exchanged Y zeolite and Zn modified Y zeolite were studied on the MAT and correlated with zeolite acidity.

• 采用催化裂化微型反应评价装置,考察了不同稀土含量的Y型分子筛及其锌改性后对催化裂化汽油中噻吩硫转化能力的影响,并与分子筛酸性关联,提出噻吩反应的可能途径。