层间组装TiO2蒙脱土的制备及其用于汽油脱硫过程的研究  

Preparation of Interlaminar Assembly TiO_2 Montmorillonite and Its Application in Desulfurization of FCC Gasoline

作　　者：张颖[1,2] 陈爱平[2] 

机构地区：[1]华东理工大学化学工程研究所,膜科学与工程研发中心,上海200237 [2]华东理工大学材料科学与工程学院,超细材料制备与应用教育部重点实验室,上海200237

出　　处：《华东理工大学学报（自然科学版）》2012年第1期6-11,共6页Journal of East China University of Science and Technology

基　　金：国家973计划项目(2004CB719501)

摘　　要：采用溶胶-凝胶法制备了TiO2柱撑蒙脱土,并将样品用于FCC汽油的脱硫。利用XRD、SEM、N2吸附/脱附和FT-IR分析技术对制备样品进行表征。考察了钛酸丁酯与Na-MMT的比例以及焙烧温度对样品结构和脱硫性能的影响。TiO2柱撑蒙脱土的比表面积为100~215m2/g,平均孔径为4.0~7.0 nm,总孔容为0.15~0.22 cm3/g。硫容量达到1.65 mg/g,是400℃焙烧原土硫容量的2倍。TiO2 pillared Na-MMT（Ti-MMT） samples for desulfurization of FCC gasoline were prepared by sol-gel method,and characterized by XRD,SEM,N2 adsorption/desorption and FT-IR.The effects of the ratio of tetrabutyl titanate to Na-MMT and calcination temperature on the sample structure and desulfurization capacity were investigated.For Ti-MMT,the BET surface area was in the range of 100-215 m2/g,the average pore diameter in the range of 4.0-7.0 nm and total pore volume capacity in the range of 0.15-0.22 cm3/g.The sulfur capality reached 1.65 mg/g,which was twice as much as that of Na-MMT calcinated at 400 ℃.

关 键 词：钠基蒙脱土 TiO2柱撑蒙脱土 脱硫 FCC汽油 

分 类 号：TQ050.421[化学工程]