| 钙钛矿型La0.8Sr0.2MnO3催化剂的硫中毒机制及中毒催化剂的再生研究 |
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| 引用本文： | 吴婷婷,卢晗锋,黄海凤.钙钛矿型La0.8Sr0.2MnO3催化剂的硫中毒机制及中毒催化剂的再生研究[J].环境污染与防治,2011,33(9):54-57,74. |
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| 作者姓名： | 吴婷婷 卢晗锋 黄海凤 |
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| 作者单位： | 1. 浙江工业大学生物与环境T程学院,浙江杭州,310014
2. 浙江工业大学化学工程与材料科学学院,绿色化学合成技术国家重点实验室培育基地,浙江杭州310014 |
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| 摘 要： | 采用共沉淀法制备钙钛矿型La0.8 Sr0.2 MnO3催化剂,以甲苯的催化燃烧为模型反应,考察了SO2对La0.8 Sr0.2 MnO3催化剂的毒性效应.通过X射线衍射(XRD)光谱、比表面积(BET)和X射线电子能谱(XPS)表征硫中毒前后催化剂的结构和理化性质.结果表明,SO2在La0.8 Sr0.2 MnO3表...
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| 关 键 词： | 催化燃烧 甲苯 硫中毒 钙钛矿 再生 |
Research on the poisoning mechanism of perovskite La_(0.8)Sr_(0.2)MnO_3 catalyst by SO_2 and poisoned catalyst regeneration |
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| WU Tingting,LU Han feng,HUANG Hai feng.Research on the poisoning mechanism of perovskite La_(0.8)Sr_(0.2)MnO_3 catalyst by SO_2 and poisoned catalyst regeneration[J].Environmental Pollution & Control,2011,33(9):54-57,74. |
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| Authors: | WU Tingting LU Han feng HUANG Hai feng |
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| Institution: | WU Tingting1,LU Hanfeng2,HUANG Haifeng1.(1.College of Biological and Environmental Engineering,Zhejiang University of Technology,Hangzhou Zhejiang 310014,2.State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology,College of Chemical Engineering and Materials Science,Hangzhou Zhejiang 310014) |
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| Abstract: | The La0.8Sr0.2MnO3 perovskite catalyst was prepared by co-precipitation,the poison resistance of catalyst was investigated by catalytic combustion of toluene containing SO2.The catalysts before and after poison were characterized by XRD,BET and XPS.The results showed that SO2 was oxidized after adsorbing on the catalyst,and combined with Sr to create SrSO4,accordingly the perovskite structure was destroyed partially and the catalyst was deactivated.The poisoned catalysts were regenerated by 3 methods of wat... |
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| Keywords: | catalytic combustion toluene sulfur poison perovskite regeneration |
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