| Zirconium Doped Hydrotalcite-based NiAl Mixed Oxides——Enhanced Performance for Adsorption of SO2 and NO |
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| 引用本文： | ZHAO Ling,ZHANG Yu,LI Lexin,XING Yating,WANG Shuai,Christopher J. MARTYNIUK. Zirconium Doped Hydrotalcite-based NiAl Mixed Oxides——Enhanced Performance for Adsorption of SO2 and NO[J]. 高等学校化学研究, 2019, 35(3): 490-497. DOI: 10.1007/s40242-019-8324-1 |
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| 作者姓名： | ZHAO Ling ZHANG Yu LI Lexin XING Yating WANG Shuai Christopher J. MARTYNIUK |
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| 作者单位： | School cf Ecology and Environment;College of Veterinary Medicine |
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| 基金项目： | the National Natural Science Foundation of China;the Inner Mongolia Natural Science Foundation,China;the Project of the Inner Mongolia Engineering Research Center of Coal Chemical Wastewater Treatment & Resourcelization,China and the College Students' Innovative Training Program of Inner Mongolia University,China |
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| 摘 要： | In the present study, the adsorptive behavior of zirconium doped hydrotalcite-based NiAl mixed oxides for reducing NO and SO2 was compared. According to tlie experimental results, the Zr^4+ cations were partially dissolved in crystalline NiO phase. With the addition of Zr, new centers for oxygen release and storage were formed, Lewis acid strength increased, and weakly and strongly alkaline sites were expanded. Moreover, in situ FTIR(Fourier transfonn infrared spectroscopy) investigation demonstrated that the amounts of surface bisulfite, sulfite, nitrite and nitrate spe? cies ofZrNiAlO were much more than those ofNiAlO. On the whole, this study concluded that the addition of Zr^4+ to NiAlO works to improve this compound as major absorbent for SO2 and NO.
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| 关 键 词： | SO2 NO Adsorption ZrNiAlO mixed OXIDE |
| 收稿时间： | 2018-10-08 |
Zirconium Doped Hydrotalcite-based NiAl Mixed Oxides-Enhanced Performance for Adsorption of SO2 and NO |
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| ZHAO Ling,ZHANG Yu,LI Lexin,XING Yating,WANG Shuai,Christopher J. MARTYNIUK. Zirconium Doped Hydrotalcite-based NiAl Mixed Oxides-Enhanced Performance for Adsorption of SO2 and NO[J]. Chemical Research in Chinese University, 2019, 35(3): 490-497. DOI: 10.1007/s40242-019-8324-1 |
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| Authors: | ZHAO Ling ZHANG Yu LI Lexin XING Yating WANG Shuai Christopher J. MARTYNIUK |
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| Affiliation: | 1. School of Ecology and Environment, Inner Mongolia University, Huhhot 010021, P. R. China;
2. College of Veterinary Medicine, University of Florida, Gainesville, FL 32611, USA |
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| Abstract: | In the present study, the adsorptive behavior of zirconium doped hydrotalcite-based NiAl mixed oxides for reducing NO and SO2 was compared. According to the experimental results, the Zr4+ cations were partially dissolved in crystalline NiO phase. With the addition of Zr, new centers for oxygen release and storage were formed, Lewis acid strength increased, and weakly and strongly alkaline sites were expanded. Moreover, in situ FTIR(Fourier transform infrared spectroscopy) investigation demonstrated that the amounts of surface bisulfite, sulfite, nitrite and nitrate species of ZrNiAlO were much more than those of NiAlO. On the whole, this study concluded that the addition of Zr4+ to NiAlO works to improve this compound as major absorbent for SO2 and NO. |
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| Keywords: | SO2 NO Adsorption ZrNiAlO mixed oxide |
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