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Synthesis of strong acidic mesoporous materials by ultrasonic sol-gel method
Xiong, GX; Yao, N; Han, W; Sheng, SS; Yang, WS
关键词Sol-gel Method Mesoporous Material Platinum Strong Acidity 1-hexene Hydrolsomerization
刊名CHINESE JOURNAL OF CATALYSIS
2005-09-01
26期:9页:759-764
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]METAL-OXIDES ; ALUMINA ; STABILITY ; TEMPLATES ; CATALYSTS ; 1-HEXENE ; TITANIA
英文摘要Mesoporous materials with large pore size are much in demand for the reactions involving large molecules. However, their applications are limited by the weak acidity as compared with that of microporous zeolites. In this paper, a novel method was developed to synthesize strong acidic mesoporous materials. Cheap inorganic salts were used to synthesize Zr- and Ti-modified silica-alumina mesoporous materials and supported Pt electron-acid bifunctional mesoporous materials by ultrasonic sol-gel method without any types of templates or pore-regulating agents. The samples were characterized by pyridine adsorption and desorption, IR spectroscopy, XPS and H-2-TPR. Their catalytic performance was evaluated by using hydroisomerization reaction of 1-hexene. Pyridine adsorption-desorption and IR spectroscopy indicate that these samples have strong surface acidity. The XPS and H-2-TPR results suggest that the interactions between platinum and the supports exist in the samples. Hydroisomerization reaction of 1-hexene shows that the samples have high catalytic activity. It is concluded that their strong surface acidity results from the interactions between metal and the supports.
语种英语
WOS记录号WOS:000232474800009
引用统计
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/321008/139738
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Hong Kong Univ Sci & Technol, Dept Chem Engn, Kowloon, Hong Kong, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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GB/T 7714
Xiong, GX,Yao, N,Han, W,et al. Synthesis of strong acidic mesoporous materials by ultrasonic sol-gel method[J]. CHINESE JOURNAL OF CATALYSIS,2005,26(9):759-764.
APA Xiong, GX,Yao, N,Han, W,Sheng, SS,&Yang, WS.(2005).Synthesis of strong acidic mesoporous materials by ultrasonic sol-gel method.CHINESE JOURNAL OF CATALYSIS,26(9),759-764.
MLA Xiong, GX,et al."Synthesis of strong acidic mesoporous materials by ultrasonic sol-gel method".CHINESE JOURNAL OF CATALYSIS 26.9(2005):759-764.
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