Acidity and catalyst performance of two shape-selective HZSM-5 catalysts for alkylation of toluene with methanol | |
Li, Guixian![]() ![]() ![]() ![]() | |
2020-04 | |
发表期刊 | REACTION KINETICS MECHANISMS AND CATALYSIS
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ISSN | 1878-5190 |
卷号 | 129期号:2页码:963-974 |
摘要 | Two shape-selective HZSM-5 catalysts with similar pore size were prepared by silicalite-1 coating or boron modification, respectively. These catalysts samples were characterized by XRD, SEM, NH3-TPD, Py-IR and N-2 adsorption-desorption isotherms and tested in the alkylation reaction of toluene with methanol. The results indicated that the boron modification weakened the acidity but increased the total amount of acidity sites, while the silicalite-1 coating led to the decrease of the strong acidity and total acidity. Due to the specific shape-selectivity that the micropore architecture afforded and the increment of the weak acid percentage, both catalysts exhibited a high p-xylene selectivity over 98%. Moreover, the higher toluene conversion would be retained once the strong acid sites in the micropores were remained as many as possible under the premise of the shape-selectivity of pore size. |
关键词 | Acidity Shape-selective Toluene p-Xylene Alkylation |
DOI | 10.1007/s11144-020-01732-9 |
收录类别 | SCI ; SCIE ; EI |
语种 | 英语 |
资助项目 | Key Science and Technology Foundation of Gansu Province[2016GS09293] ; Natural Science Foundation of Gansu Province[18JR3RA143] |
WOS研究方向 | Chemistry |
WOS类目 | Chemistry, Physical |
WOS记录号 | WOS:000511045600001 |
出版者 | SPRINGER |
EI入藏号 | 20200708150061 |
EI主题词 | Catalyst selectivity |
EI分类号 | 482.2 Minerals - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 801.1 Chemistry, General - 802.2 Chemical Reactions - 803 Chemical Agents and Basic Industrial Chemicals - 804 Chemical Products Generally - 813.2 Coating Materials - 931.2 Physical Properties of Gases, Liquids and Solids |
来源库 | WOS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/64178 |
专题 | 石油化工学院 |
通讯作者 | Yang, Yong |
作者单位 | Lanzhou Univ Technol, Sch Petrochem Engn, Lanzhou 730050, Peoples R China |
第一作者单位 | 兰州理工大学 |
通讯作者单位 | 兰州理工大学 |
第一作者的第一单位 | 兰州理工大学 |
推荐引用方式 GB/T 7714 | Li, Guixian,Wu, Chao,Ji, Dong,et al. Acidity and catalyst performance of two shape-selective HZSM-5 catalysts for alkylation of toluene with methanol[J]. REACTION KINETICS MECHANISMS AND CATALYSIS,2020,129(2):963-974. |
APA | Li, Guixian,Wu, Chao,Ji, Dong,Dong, Peng,Zhang, Yongfu,&Yang, Yong.(2020).Acidity and catalyst performance of two shape-selective HZSM-5 catalysts for alkylation of toluene with methanol.REACTION KINETICS MECHANISMS AND CATALYSIS,129(2),963-974. |
MLA | Li, Guixian,et al."Acidity and catalyst performance of two shape-selective HZSM-5 catalysts for alkylation of toluene with methanol".REACTION KINETICS MECHANISMS AND CATALYSIS 129.2(2020):963-974. |
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