| 四元复合氧化物La_(0.5)Sr_(0.5)Ni_(0.5)Cu_(0.5)O_3的抗硫性能 |
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| 引用本文： | 徐菁利,李树本,马建泰,李茸,苏中兴.四元复合氧化物La_(0.5)Sr_(0.5)Ni_(0.5)Cu_(0.5)O_3的抗硫性能[J].精细化工,2000,21(10):601-603. |
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| 作者姓名： | 徐菁利 李树本 马建泰 李茸 苏中兴 |
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| 作者单位： | 1. 中国科学院,兰州化学物理研究所,甘肃,兰州,730000
2. 兰州大学,化学化工学院,甘肃,兰州,730000 |
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| 摘 要： | 以SO2 为毒物 ,采用脉冲中毒方法 ,再以CO氧化反应为探针 ,对三元复合氧化物催化剂La0 .5Sr0 .5NiO3 与La0 .5Sr0 .5CuO3 以及四元复合氧化物催化剂La0 .5Sr0 .5Ni0 .5Cu0 .5O3 等三种催化剂样品的抗硫毒能力、失活曲线、中毒催化剂的再生性能以及毒物残留形态等进行了全面考察和对比分析。实验结果表明四元复合氧化物催化剂La0 .5Sr0 .5Ni0 .5Cu0 .5O3 在SO2 毒物含量是 1 2 2×10 -2 mmol时 ,特别是在高温 (≥ 30 0℃ )条件下 ,具有优异的抗硫性能
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| 关 键 词： | 脉冲中毒 抗硫性能 复合氧化物催化剂 |
Study of the Sulfur-resistant Property of the Catalyst La0.5Sr0.5Ni0.5Cu0.5O3 |
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| XU Jing-li,LI Shu-ben,MA Jian-tai,LI Rong,SU Zhong-xing.Study of the Sulfur-resistant Property of the Catalyst La0.5Sr0.5Ni0.5Cu0.5O3[J].Fine Chemicals,2000,21(10):601-603. |
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| Authors: | XU Jing-li LI Shu-ben MA Jian-tai LI Rong SU Zhong-xing |
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| Abstract: | The sulfur-resistant property,catalyst recovery , loss of activity and poison remaining form of ternary complex oxide catalyst La _ 0 .5 Sr_ 0.5 NiO_3,La_ 0.5 Sr_ 0.5 CuO_3 and quaternary complex oxide catalyst La_ 0.5 Sr_ 0.5 Ni_ 0.5 Cu_ 0.5 O_3 were studied v ia pulse-poisoning using SO_2 as poison and CO oxidation as probe.Results indica t ed that the quaternary catalyst possessed better sulfur-resistance in higher te mperature(≥300 ℃) compared with the ternary ones. |
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| Keywords: | pulse-poisoning sulfur-resistance complex oxide cata lyst |
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