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介孔炭–HY分子筛复合型脱硫吸附剂的制备与性能
作者:张志芳 杨丽娜 白金 李剑 
单位:辽宁石油化工大学化学化工与环境学部 辽宁 抚顺 113001 
关键词:复合材料 吸附脱硫 动力学 热力学 
分类号:TQ424.1
出版年,卷(期):页码:2017,45(4):579-584
DOI:10.14062/j.issn.0454-5648.2017.04.19
摘要:

 制备HY分子筛与介孔炭(OMC)的复合脱硫吸附剂,利用X射线衍射、氮气吸附脱附、Fourier变换红外光谱、NH3–程序温度脱附和透射电子显微镜对复合材料进行表征。结果表明:与OMC相比,OMC–HY复合脱硫吸附剂具有微–介孔的孔径分布,酸性提高,比表面积和孔容增加。OMC–HY吸附脱除二苯并噻吩的热力学和动力学研究表明,二苯并噻吩在OMC–HY上的吸附符合Langmuir吸附等温模型和二级动力学模型。

 

 The ordered mesoporous carbon (OMC)–HY zeolite composite material was synthesized, and the composite material was characterized X-ray diffraction, specific surface area measurement by nitrogen adsorption stripping, Fourier infrared spectroscopy, NH3–temperature programmed desorption, scanning electron microscopy and transmission electron microscopy, respectively. The result shows that the OMC–HY composite material exhibits a micro-mesoporous pore size distribution, and the specific surface area of the composite material increases when acid increases. The composite material can be used as an adsorbent to remove dibenzothiophene. It is indicated that the thermodynamic process of OMC–HY composite material follows the Langmuir adsorption isotherm models, and the adsorption kinetics follows the pseudo-second-order reaction model.

 
基金项目:
辽宁省科学技术厅项目(2013020097);辽宁省教育厅项目 (LJQ2015062 , L2015296) ;抚顺市科技计划项目 (FSKJHT201376)。
作者简介:
张志芳(1992—),女,硕士研究生
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