| Sn掺杂对Pt/Sn(x)-θ-Al2O3丙烷脱氢催化剂性能的影响 |
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| 引用本文： | 时宇,顾彬,王春生,荣欣,李先如,卫皇曌,孙承林.Sn掺杂对Pt/Sn(x)-θ-Al2O3丙烷脱氢催化剂性能的影响[J].工业催化,2018,26(4):35-40. |
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| 作者姓名： | 时宇 顾彬 王春生 荣欣 李先如 卫皇曌 孙承林 |
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| 作者单位： | 1.中国科学院大连化学物理研究所,洁净能源国家实验室,辽宁 大连 116023;2.中国科学院大学,北京 100049;3.中国石油抚顺石化公司催化剂厂,辽宁 抚顺 113001 |
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| 摘 要： | 采用铝箔盐酸回流-油柱成型法制备了不同Sn掺杂量的Sn(x)-θ-Al2O3载体,并采用真空浸渍法制备了Pt/Sn(x)-θ-Al2O3催化剂。对制备的催化剂进行XRD、N2物理吸附-脱附、NH3-TPD、H2-TPR和TG-DTA表征,研究了在载体中掺入助剂Sn对Pt/Sn(x)-θ-Al2O3催化剂结构及丙烷脱氢催化反应性能的影响。结果表明,在载体制备过程中掺入Sn,可以提高催化剂反应活性和产物选择性,当Sn掺杂质量分数为1.0%时,催化剂具有最优的丙烷脱氢反应性能,15 h的平均丙烷转化率为32.4%,平均丙烯选择性为95.5%。
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| 关 键 词： | 催化化学 Sn掺杂 Pt/Sn(x)-θ -Al2O3催化剂 油柱成型 丙烷脱氢 |
Effects of Sn addition on the performance of Pt/Sn(x)-θ-Al2O3 catalyst for the dehydrogenation of propane |
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| Shi Yu,Gu Bin,Wang Chunsheng,Rong Xin,Li Xianru,Wei Huangzhao,Sun Chenglin.Effects of Sn addition on the performance of Pt/Sn(x)-θ-Al2O3 catalyst for the dehydrogenation of propane[J].Industrial Catalysis,2018,26(4):35-40. |
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| Authors: | Shi Yu Gu Bin Wang Chunsheng Rong Xin Li Xianru Wei Huangzhao Sun Chenglin |
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| Affiliation: | 1.National Laboratory for Clean Energy, Dalian Institute of Chemical Physics,Chinese Academy of Sciences, Dalian 116023,Liaoning,China;2.University of Chinese Academy of Sciences,Beijing 100049,China;3.Catalyst Plant of PetroChina Fushun Petrochemical Company,Fushun 113001,Liaoning,China |
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| Abstract: | A series of Sn(x)-θ-Al2O3 carriers with different contents of Sn were prepared by an oil-drop method,and Pt/Sn(x)-θ-Al2O3 catalysts were prepared by vacuum impregnation method.The effect of Sn doping amount on the structure and catalytic propane dehydrogenation performance of the catalysts were investigated by XRD,N2-physisorption,NH3-TPD,H2-TPR and TG-DTA methods.The results showed that the addition of Sn in the support could improve the reactivity and product selectivity of the catalyst.When the doping amount of Sn was 1.0%,the catalyst exhibited the optimal propane dehydrogenation performance,and its average propane conversion was 32.4%,average propene selectivity was 95.5% for 15 h. |
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| Keywords: | catalytic chemistry Sn doping Pt/Sn(x)-θ-Al2O3 catalyst oil-drop method propane dehydrogenation |
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