高校化学工程学报2011，Vol.25Issue(6)：1078-1083,6.
改性NaY分子筛吸附脱硫性能的研究
Performance of Adsorptive Desulfurization over Modified NaY Zeolite
摘要
Abstract
A series of adsorbents involving modified NaY zeolite used for fuel oil desulfurization were prepared by liquid phase ion exchange. The results show that the AgY has the highest sulfur adsorbing capacity, followed by CuY、NiY、 CeY、ZnY, and the adsorbing capacity for sulfur compounds is in the order of thiophene > benzothiophene > dibenzothiophene. Orthogonal design was applied and relevent experimental data were analyzed with variance analysis method. The optimized preparation parameters of the adsorbents are as follows: active component, Ag+; ion exchange capacity, 4 times of equimolar Na+; calcination duration, 8 h; calcination temperature, 450'C. Under such conditions, the breakthrough and saturation sulfur adsorbing capacity for thiophene are 15.1 mg·g-1, and 25.3 mg·g-1 respectively. The effects of various hydrocarbons on the competitive adsorption of thiophene were investigated as well. It was observed that the influence on the adsorbing capacity of modified NaY for thiophene of aromatics is more obvious than that for olefin.关键词
Y分子筛/离子交换:吸附脱硫/燃料油Key words
Y zeolite/ ion exchange/ adsorptive desulfurization/ fuel oil分类
化学化工引用本文复制引用
裴玉同,罗勇,吴向阳,李建龙,宋家龙..改性NaY分子筛吸附脱硫性能的研究[J].高校化学工程学报,2011,25(6):1078-1083,6.基金项目
上海市科委创新行动计划(09dz2200700). （09dz2200700）
