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题名: Methanol aromatization over HZSM-5 catalysts modified with different zinc salts
作者: Bi, Yi1, 2;  Wang, Yingli1;  Chen, Xin1;  Yu, Zhengxi1;  Xu, Lei1
关键词: HZSM-5 zeolite ;  Zinc salt ;  Methanol ;  Aromatization
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2014-10-01
DOI: 10.1016/S1872-2067(14)60145-5
卷: 35, 期:10, 页:1740-1751
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 ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: HZSM-5 catalysts modified with various Zn salts, namely zinc sulfate, zinc acetate, zinc nitrate, and zinc chloride, were prepared using an impregnation method. The resultant catalysts were characterized by X-ray diffraction, N-2 adsorption, thermogravimetry-mass spectrometry, temperature-programmed desorption of NH3, and infrared spectroscopy using pyridine as the probe molecule. The methanol-to-aromatic (MTA) performance over the modified catalysts was investigated. The results showed that the type of Zn species in the catalyst significantly influenced the catalyst surface acidity. The distribution of acid sites and Zn species in the HZSM-5 catalyst modified with zinc sulfate effectively improved the MTA performance. (C) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V.. All rights reserved.
关键词[WOS]: EXCHANGED ZSM-5 ZEOLITES ;  SELECTIVE CONVERSION ;  TO-HYDROCARBONS ;  AROMATICS ;  BUTANE
语种: 英语
WOS记录号: WOS:000344136500015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145500
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Bi, Yi,Wang, Yingli,Chen, Xin,et al. Methanol aromatization over HZSM-5 catalysts modified with different zinc salts[J]. CHINESE JOURNAL OF CATALYSIS,2014,35(10):1740-1751.
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