Influence of preparation method on the structure and catalytic activity of supported solid sulfuric acid

Author： Yang Piaoping   Yu Jianfeng   Wang Zhenlü   Liu Qingsheng   Yang Xuwei   Wu Tonghao  

Publisher： Springer Publishing Company

ISSN： 0133-1736

Source： Reaction Kinetics and Catalysis Letters, Vol.85, Iss.1, 2005-05, pp. : 153-159

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Abstract

FT-IR and 29Si-NMR studies suggested the interaction of H2SO4 with the SiO2 support in the material synthesized by the sol-gel method. 1H-NMR results showed that the acid strength of solid sulfuric acid was almost the same as that of liquid sulfuric acid. The catalyst showed higher catalytic activity and stability than that prepared by impregnation method.

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