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Alkali Treatment for Improving Isomerization Performance of Pt/ZSM-5
Song Yueqin1; Liu Feng1; Kang Chenglin1; Feng Yanlong1; Zhou Xiaolong1; Dong Renyao1; Xu Longya2
关键词Platinum Zsm-5 Alkali Treatment Acidity Pore Structure N-hexane Isomerization
刊名CHINESE JOURNAL OF CATALYSIS
2009-02-01
30期:2页:159-164
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
关键词[WOS]N-HEXANE ; ZEOLITE CATALYSTS ; HYDROISOMERIZATION ; ACIDITY ; HEPTANE ; ZSM-5 ; AROMATIZATION ; SELECTIVITY ; ADSORPTION ; MORDENITE
英文摘要A series of alkali-treated ZSM-5 samples were prepared in order to adjust acidity and pore structure of ZSM-5. The effects of acidity and pore structure on n-hexane isomerization performance of Pt/ZSM-5 were investigated. The crystalline structure, acidity, and textural properties were measured by X-ray diffraction, NH3 temperature-programmed desorption, and N-2 adsorption-desorption, respectively. The results indicated that the mild alkali treatment led to a distinct decrease in the strong acid sites on ZSM-5 and the isomerization activity of Pt/ZSM-5. However, severe alkali treatment resulted in the increase of the strong acid sites, as well as the formation of new mesopores, accompanied by the significant increase in the isomerization activity. It was proposed that the isomerization activity was dependent on the amount of strong acid sites over ZSM-5 and irrelevant to its pore structure, while the distribution of isomers was related to the pore structure, the conversion of n-hexane, and independent of the acidity of ZSM-5.
语种英语
WOS记录号WOS:000264168700015
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141356
专题中国科学院大连化学物理研究所
作者单位1.E China Univ Sci & Technol, Sch Chem Engn, Petr Proc Res Ctr, Shanghai 200237, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
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Song Yueqin,Liu Feng,Kang Chenglin,et al. Alkali Treatment for Improving Isomerization Performance of Pt/ZSM-5[J]. CHINESE JOURNAL OF CATALYSIS,2009,30(2):159-164.
APA Song Yueqin.,Liu Feng.,Kang Chenglin.,Feng Yanlong.,Zhou Xiaolong.,...&Xu Longya.(2009).Alkali Treatment for Improving Isomerization Performance of Pt/ZSM-5.CHINESE JOURNAL OF CATALYSIS,30(2),159-164.
MLA Song Yueqin,et al."Alkali Treatment for Improving Isomerization Performance of Pt/ZSM-5".CHINESE JOURNAL OF CATALYSIS 30.2(2009):159-164.
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