| 离子交换法制备Pt-Sn_E/Mg(Al)O催化剂及其烷烃催化脱氢性能 |
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| 引用本文： | 离子交换法制备Pt-SnE/Mg.离子交换法制备Pt-Sn_E/Mg(Al)O催化剂及其烷烃催化脱氢性能[J].燃料化学学报,2016,44(5):597-606. |
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| 作者姓名： | 离子交换法制备Pt-SnE/Mg |
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| 作者单位： | 1. Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. Bio Energy Engineering and Low Carbon Technology Laboratory, China Agricultural University, Beijing 100083, China |
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| 基金项目： | 国家自然科学基金(51476175)和中国科学院百人计划(y507y51001)项目资助 |
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| 摘 要： | 以水滑石为载体,采用离子交换法制备了Pt-Sn_E/Mg(Al)O催化剂,并对其进行了X射线衍射、N2物理吸附、透射电镜等技术表征;考察了该离子交换法制备的Pt-SnE/Mg(Al)O催化剂对乙烷和丙烷脱氢的催化性能,并与浸渍法制备的Pt-SnI/Mg(Al)O催化剂进行了比较。结果表明,利用离子交换法制备的Pt-SnE/Mg(Al)O催化剂其反应活性和稳定性明显优于浸渍法制备Pt-SnI/Mg(Al)O催化剂的。在相同条件下反应2 h后,Pt-SnE/Mg(Al)O催化剂和Pt-SnI/Mg(Al)O催化剂的乙烷催化脱氢转化率分别为12.2%和3.1%,丙烷催化脱氢转化率分别为38.7%和26.4%。
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| 关 键 词： | 铂 水滑石 Mg(Al)O 离子交换 乙烷脱氢 丙烷脱氢 |
| 收稿时间： | 2015-12-16 |
Preparation of Pt-SnE/Mg(Al)O catalyst by anion exchange method and its performance in alkane dehydrogenation |
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| CHEN Ling-peng,TIAN Zhi-peng,L&#,Wei,SI Zhan,LIU Qi-ying,DING Ming-yue,CHEN Lun-gang,MA Long-long,ZHANG Qi,WANG Tie-jun,WANG Chen-guang.Preparation of Pt-SnE/Mg(Al)O catalyst by anion exchange method and its performance in alkane dehydrogenation[J].Journal of Fuel Chemistry and Technology,2016,44(5):597-606. |
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| Authors: | CHEN Ling-peng TIAN Zhi-peng L&# Wei SI Zhan LIU Qi-ying DING Ming-yue CHEN Lun-gang MA Long-long ZHANG Qi WANG Tie-jun WANG Chen-guang |
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| Abstract: | Pt-SnE/Mg(Al)O catalyst was prepared by anion exchange method with hydrotalcite as the support. The Pt-SnE/Mg(Al)O catalyst was characterized by XRD, nitrogen sorption, CO-TPD and TEM; its catalytic performance in the dehydrogenation of ethane and propane was compared with that the Pt-SnI/Mg(Al)O catalyst obtained by impregnation method. The results indicate that under the same reaction conditions, the conversions of ethane over the Pt-SnE/Mg(Al)O and Pt-SnI/Mg(Al)O catalysts are 12.2% and 3.1%, respectively, whist the conversions of propane over these two catalysts are 38.7% and 26.4%, respectively. Such results illustrate that the Pt-SnE/Mg(Al)O catalyst prepared by the anion exchange method is obviously superior to the Pt-SnI/Mg(Al)O catalyst prepared by the impregnation method in terms of catalytic activity and stability for alkane dehydrogenation. |
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| Keywords: | platinum hydrotalcite Mg(Al)O anion exchange ethane dehydrogenation propane dehydrogenation |
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