Adsorption and Catalytic Transformation Behaviors 
of Thiophene on Y Ｚeolites

doi:10.3969/j.issn.1006-396X.2014.04.003

Journal of Petrochemical Universities ›› 2014, Vol. 27 ›› Issue (4): 11-15.DOI: 10.3969/j.issn.1006-396X.2014.04.003

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Adsorption and Catalytic Transformation Behaviors  of Thiophene on Y Ｚeolites

Received:2014-01-03 Revised:2014-06-03 Published:2014-08-25 Online:2014-11-10

噻吩在Y型分子筛上吸附与转化行为

裴婷婷¹, 秦玉才^{1, 2}, 王琳¹, 莫周胜², 张畅¹, 宋丽娟¹

( 1. 辽宁石油化工大学辽宁省石油化工催化科学与技术重点实验室, 辽宁抚顺1 1 3 0 0 1;
2. 中国石油大学( 华东) 化学化工学院, 山东青岛2 6 6 5 5 5)

通讯作者: 宋丽娟( 1 9 6 2 - ) , 女, 博士, 教授, 从事新型催化材料及清洁油品生产新工艺研发; E - m a i l : l s o n g 5 6@2 6 3. n e t 。
作者简介:裴婷婷( 1 9 8 5 - ) , 女, 硕士研究生, 从事硫化物在分子筛上吸附转化行为研究; E - m a i l : 4 0 6 3 1 2 0 7 5@q q. c o m。
基金资助:
国家自然科学基金项目( 2 0 9 7 6 0 7 7; 2 1 0 7 6 1 0 0) ; 中国石油天然气股份有限公司炼油催化剂重大专项 ( 1 0 - 0 1 A - 0 1 - 0 1 -
0 1) 。

Abstract

Abstract: Surface acidities of the Y zeolites(NaY、HY、LCeY) were characterized by insitu PyFTIR and NH3TPD methods. The adsorption and catalytic transformation behaviors of thiophene on Y zeolites were studied by insitu FTIR technique. The results indicate that Brnsted (B) acid sites of Y zeolites play an important role in the progress of protonation and oligomerization. The order of catalytic properties of Y zeolites is LCeY > HY, which can be attributed to the concentration and strength of the surface acidities and the synergy between rareearth ions species and Brnsted (B) acid sites.

Key words: Insitu FTIR, , CeY zeolites, , Surface acidity, , Synergy

摘要： 以 N a Y、 HY、液相C e离子交换改性Y分子筛 ( L - C e Y) 为研究对象, 运用P y - F T I R和NH3 - T P D对Y 型分子筛的酸类型、酸强度、酸量进行了表征; 采用原位红外光谱技术研究了噻吩在 Y型分子筛上的吸附和转化行为。结果表明, 分子筛的B酸位是噻吩发生质子化及低聚反应的活性中心。Y型分子筛对噻吩的催化活性顺序为 L - C e Y > HY, 这可由 Y型分子筛B酸位的量和强度区别以及稀土离子物种与B酸中心的协同作用进行解释。

关键词: 原位红外, , C e Y分子筛, , , 表面酸性, , 协同作用

Pei Tingting,Qin Yucai,Wang Lin,et al. Adsorption and Catalytic Transformation Behaviors  of Thiophene on Y Ｚeolites [J]. Journal of Petrochemical Universities, 2014, 27(4): 11-15.

裴婷婷, 秦玉才, 王琳, 莫周胜. 噻吩在Y型分子筛上吸附与转化行为[J]. 石油化工高等学校学报, 2014, 27(4): 11-15.

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Adsorption and Catalytic Transformation Behaviors  of Thiophene on Y Ｚeolites

噻吩在Y型分子筛上吸附与转化行为

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