Selective oxidation of H2S to sulfur over CeO2-TiO2 catalyst
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- 作者：Dong-Heon Kang ; Moon-Il Kim ; Dae-Won Park
- 关键词：Selective Oxidation ; Hydrogen Sulfide ; Sulfur ; CeO2 ; TiO2 Catalyst
- 刊名：Korean Journal of Chemical Engineering
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：33
- 期：3
- 页码：838-843
- 全文大小：905 KB
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Moon-Il Kim (1)
Dae-Won Park (1)
1. School of Chemical and Biomolecular Engineering, Pusan National University, Busan, 46241, Korea - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Industrial Chemistry and Chemical Engineering
Catalysis
Materials Science
Biotechnology - 出版者：Springer New York
- ISSN：1975-7220
文摘
The catalytic oxidation of hydrogen sulfide (H2S) to elemental sulfur was studied over CeO2-TiO2 catalysts. The synthesized catalysts were characterized by various techniques such as X-ray diffraction, BET, X-ray photoelectron spectroscopy (XPS), temperature-programmed desorption of ammonia, and scanning electron microscopy (SEM). Catalytic performance studies of the CeO2-TiO2 catalysts showed that H2S was successfully converted to elemental sulfur without considerable emission of sulfur dioxide. CeO2-TiO2 catalysts with Ce/Ti=1/5 and 1/3 exhibited the highest H2S conversion, possibly due to the uniform dispersion of metal oxides, high surface area, and high amount of acid sites.