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Shaped binderless ZSM-11 zeolite catalyst prepared via a dry-gel conversion method: Characterization and application for alkylation of benzene with dimethyl ether
Zhang, Wanshuo1,2; Zhang, Shuang2; Xin, Wenjie2; Liu, Hui2,3; Shang, Yongchen1; Zhu, Xiangxue2; Liu, Shenglin2; Xu, Longya2
关键词Shaped Binderless Zsm-11 Crystallization Mechanism Mechanical Strength Acidity Alkylation Dimethyl Ether
刊名JOURNAL OF ENERGY CHEMISTRY
2017-05-01
DOI10.1016/j.jechem.2016.12.008
26页:380-389
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Energy & Fuels ; Engineering, Chemical
研究领域[WOS]Chemistry ; Energy & Fuels ; Engineering
关键词[WOS]METHANOL-TO-HYDROCARBONS ; XYLENE ISOMERIZATION ; HIERARCHICAL ZSM-11 ; MFI ZEOLITES ; PERFORMANCE ; HZSM-5 ; MESOPOROSITY ; AMINATION ; ACIDITY ; ROUTE
英文摘要Shaped binderless ZSM-11 zeolite catalysts were synthesized via a dry-gel conversion technique from 70ZSM-11/30SiO(2) mix extrudates. 1,6-hexanediamine combined with tetrabutylammonium bromide was proved to be the best structure directing agent for the synthesis of the binderless ZSM-11 catalyst, without adding other alkaline materials. The 70HZSM-11/30SiO2 mix serials materials crystallized for different times were detected by X-ray diffraction (XRD), nuclear magnetic resonance (NMR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), scanning transmission electron microscopy-energy dispersive spectroscopy (STEM-EDS) techniques, and so on. In order to investigate the possible crystallization mechanism, the textural and structural properties of 70HZSM-11/30SiO(2) mix serials samples were further characterized by N-2 adsorption-desorption. Acid properties were determined by temperature-programed desorption of NH3 (NH3-TPD) and pyridine adsorption-infrared (Py-IR) measurements. In the alkylation of benzene with dimethyl ether, the serials catalysts exhibited different benzene conversions. 70HZSM-11/30SiO(2) mix showed the lowest benzene conversion while sample 70HZSM11/30SiO(2) mix-6.5h synthesized only for 6.5h displayed a higher benzene conversion, even higher than the value over 70HZSM-11/30Al(2)O(3) mix. Extending the crystallization time, the obtained samples displayed the increased benzene conversion in general under the same reaction conditions. In the end, the relation of physicochemical properties with the reaction performance was investigated. (C) 2017 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.
语种英语
WOS记录号WOS:000404653700010
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152119
专题中国科学院大连化学物理研究所
作者单位1.Harbin Normal Univ, Coll Chem & Chem Engn, Harbin 150025, Heilongjiang, Peoples R China
2.Chinese Acad Sci, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
3.Sinochem Quanzhou Petrochem Co Ltd, Res & Dev Ctr, Quanzhou 362103, Fujian, Peoples R China
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Zhang, Wanshuo,Zhang, Shuang,Xin, Wenjie,et al. Shaped binderless ZSM-11 zeolite catalyst prepared via a dry-gel conversion method: Characterization and application for alkylation of benzene with dimethyl ether[J]. JOURNAL OF ENERGY CHEMISTRY,2017,26:380-389.
APA Zhang, Wanshuo.,Zhang, Shuang.,Xin, Wenjie.,Liu, Hui.,Shang, Yongchen.,...&Xu, Longya.(2017).Shaped binderless ZSM-11 zeolite catalyst prepared via a dry-gel conversion method: Characterization and application for alkylation of benzene with dimethyl ether.JOURNAL OF ENERGY CHEMISTRY,26,380-389.
MLA Zhang, Wanshuo,et al."Shaped binderless ZSM-11 zeolite catalyst prepared via a dry-gel conversion method: Characterization and application for alkylation of benzene with dimethyl ether".JOURNAL OF ENERGY CHEMISTRY 26(2017):380-389.
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