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	Vapor-Phase Propylene Epoxidation with H(2)/O(2) over Bioreduction Au/TS-1 Catalysts: Synthesis, Characterization, and Optimization
	Zhan, Guowu ; Du, Mingming ; Sun, Daohua ; Sun DH(孙道华) ; Huang, Jiale ; Huang JL(黄加乐) ; Yang, Xin ; Ma, Yao ; Ibrahim, Abdul-Rauf ; Li, Qingbiao ; Li QB(李清彪)
	2011-06-21
英文摘要	Au/TS-1 catalysts could be prepared by immobilizing the biosynthesized Au sol on TS-1 supports. A variety of techniques, such as N(2) physisorption, transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectorscopy, UV-visible diffuse reflectance, and thermogravimetric analysis, were employed to characterize both the supports and the bioreduction catalysts. The influence of various parameters (Si/Ti molar ratio, Au loading, immobilization pH, reaction temperature, and space velocity) on the catalytic performance in vapor phase propylene epoxidation with H(2)/O(2) was systematically analyzed. Parameter optimization results manifested that the optimum catalytic activity and stability of bioreduction Au/TS-1 catalysts were obtained under optimum operation conditions of Si/Ti molar ratio of 35, Au loading of 1 wt %, immobilization pH of 2, reaction temperature of 573 K, and space velocity of 4000-8000 mL g(cat)(-1) h(-1). Furthermore, efforts were also made to clarify the plausible reaction routes over the bioreduction catalysts.; National Natural Science Foundation of China[21036004, 20776120, 20976146]; Natural Science Foundation of Fujian Province of China[2010J05032, 2010J01052, 2008J0169]
语种	英语
出版者	AMER CHEMICAL SOC
内容类型	期刊论文
源URL	[http://dx.doi.org/doi:10.1021/ie200099z]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Zhan, Guowu,Du, Mingming,Sun, Daohua,et al. Vapor-Phase Propylene Epoxidation with H(2)/O(2) over Bioreduction Au/TS-1 Catalysts: Synthesis, Characterization, and Optimization[J],2011.
APA	Zhan, Guowu.,Du, Mingming.,Sun, Daohua.,孙道华.,Huang, Jiale.,...&李清彪.(2011).Vapor-Phase Propylene Epoxidation with H(2)/O(2) over Bioreduction Au/TS-1 Catalysts: Synthesis, Characterization, and Optimization..
MLA	Zhan, Guowu,et al."Vapor-Phase Propylene Epoxidation with H(2)/O(2) over Bioreduction Au/TS-1 Catalysts: Synthesis, Characterization, and Optimization".(2011).

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