Core–Shell HZSM-5@silicalite-1 Composite: Controllable Synthesis and Catalytic Performance in Alkylation of Toluene with Methanol | |
Li, Guixian; Wu, Chao; Dong, Peng; Ji, Dong; Zhang, Yongfu | |
刊名 | Catalysis Letters |
2020-07-01 | |
卷号 | 150期号:7页码:1923-1931 |
关键词 | Alkylation Ammonia Catalysts Methanol Textures Toluene Xylene Alkylation of toluene Alkylation reactions Catalytic performance Controllable synthesis Conversion of toluene Hydrothermal methods Optimal reaction condition Toluene alkylation |
ISSN号 | 1011372X |
DOI | 10.1007/s10562-019-03085-y |
英文摘要 | Abstract: HZSM-5@silicalite-1 catalysts were prepared by the hydrothermal method, and the structure, morphology, acidity and pore texture of core–shell catalysts were studied by XRD, SEM, TEM, NH3-TPD, Py-IR and N2 adsorption/desorption isotherms in detail. Their catalytic performances were tested in the alkylation reaction of toluene with methanol. The results showed that a coating layer was formed in the form of silicalite-1 on HZSM-5. NH3-TPD measurements indicated that HZSM-5@silicalite-1 contained less strong acid sites but more weak acid sites than the parent HZSM-5. The selectivity of p-xylene for toluene alkylation was approximately linear with the percentage of weak acid in total acid. Under the optimal reaction conditions, the conversion of toluene was 34.15%, and the selectivity of p-xylene was 96.77%. Graphic Abstract: [Figure not available: see fulltext.]. © 2020, Springer Science+Business Media, LLC, part of Springer Nature. |
WOS研究方向 | Chemistry |
语种 | 英语 |
出版者 | Springer |
WOS记录号 | WOS:000534516300010 |
内容类型 | 期刊论文 |
源URL | [http://ir.lut.edu.cn/handle/2XXMBERH/115024] |
专题 | 石油化工学院 |
作者单位 | College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, China |
推荐引用方式 GB/T 7714 | Li, Guixian,Wu, Chao,Dong, Peng,et al. Core–Shell HZSM-5@silicalite-1 Composite: Controllable Synthesis and Catalytic Performance in Alkylation of Toluene with Methanol[J]. Catalysis Letters,2020,150(7):1923-1931. |
APA | Li, Guixian,Wu, Chao,Dong, Peng,Ji, Dong,&Zhang, Yongfu.(2020).Core–Shell HZSM-5@silicalite-1 Composite: Controllable Synthesis and Catalytic Performance in Alkylation of Toluene with Methanol.Catalysis Letters,150(7),1923-1931. |
MLA | Li, Guixian,et al."Core–Shell HZSM-5@silicalite-1 Composite: Controllable Synthesis and Catalytic Performance in Alkylation of Toluene with Methanol".Catalysis Letters 150.7(2020):1923-1931. |
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