Ambient temperature desulfurizer of nano-ZnO modified with cerium |
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| Authors: | LI Fen YAN Bo ZHANG Jie JIANG An-xi SHAO Chun-hong ZHANG Yan-ping |
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| Affiliation: | 1. School of Municipal and Environmental Engineering,Harhin Institute of Technology,Harbin 150090,China;School of Chemistry and Environment Engineering, Harbin University of Science and Technology, Harbin 150040, China
2. School of Municipal and Environmental Engineering,Harhin Institute of Technology,Harbin 150090,China |
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| Abstract: | The compound nano-ZnO modified with Ce was prepared by homogeneous precipitation. IR, XRD and dynamic experiments show that the crystal size of nano-ZnO desulfurizer is decreased after being modified with Ce and its desulfurization activities are improved greatly. When calcined at 270 ℃, Ce distributes evenly calcining temperature is 570℃, the crystal CeO2separates out and the amorphous structure of zinc oxide disap-pears, at the same time, the crystal is perfect and its size increases, but the desulfurization activities decrease. The desulfurization product of nano-ZnO modified with Ce was analyzed with XPS. The results show that the ad-sorption compound of HS, S and ZnS exists on the surface of the desulfurizer. |
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| Keywords: | modified with cerium desulfurization at ambient temperature nano-ZnO hydrogen sulfide |
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