| 固体超强酸催化剂的研究 Ⅰ.活性中心形成条件与异构化活性 |
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| 引用本文： | 肖晓明,蔡先平,陈其良.固体超强酸催化剂的研究 Ⅰ.活性中心形成条件与异构化活性[J].湖南师范大学自然科学学报,1988(1). |
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| 作者姓名： | 肖晓明 蔡先平 陈其良 |
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| 作者单位： | 湖南师范大学化学系，湖南师范大学化学系，湖南师范大学化学系 |
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| 摘 要： | 用微反脉冲技术考察了SO_4~(2-)/TiO_2和SO_4~(2-)/ZrO_2系列固体超强酸催化剂对戊烷的异构化活性。实验表明:分别在823K和948K下处理得到的SO_4~(2-)/TiO_2823K和SO_4~(2-)/ZrO_2(948K)其异构化活性较佳。这两个温度正好相应于差热分析的高温区吸热峰。本文结合红外光谱分析结果讨论了活性中心模型和其形成机理。
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| 关 键 词： | 固体超强酸 戊烷 异构化 脉冲技术 差热分析 红外光谱 |
STUDY ON SOLID SUPERACID CATALYSTS I.THE CONDITIONS OF FORMING ACTIVE SITES AND THE ISOMERIZATION ACTIVITIES |
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| Xiao Xiaoming,Cai Xianping,Chen Qiliang.STUDY ON SOLID SUPERACID CATALYSTS I.THE CONDITIONS OF FORMING ACTIVE SITES AND THE ISOMERIZATION ACTIVITIES[J].Journal of Natural Science of Hunan Normal University,1988(1). |
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| Authors: | Xiao Xiaoming Cai Xianping Chen Qiliang |
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| Institution: | Xiao Xiaoming;Cai Xianping;Chen Qiliang Department of Chmeistry |
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| Abstract: | The isomerization of n-pentane on the solid superacid catalysts,SO_4~(2-)/TiO_2 andSO_4~(2-)/ZrO_2 seriese,was investigated by pulse-technique.The results show SO_4~(2-)/TiO_2 calcin-ed at 823K have a better activity and SO_4~(2-)/ZrO_2 at 948K,which correspond to endother-mic peaks of DTA in the range of higher temperature.The modes and the forming mech-anisms of active sites were proposed from IR and DTA. |
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| Keywords: | solid superacid pentane isomerization pulse technique differential thermal analysis infrared spectrum |
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