| Fe掺杂对Pt-Sn-K/γ-Al_2O_3异丁烷脱氢催化剂性能的影响 |
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| 引用本文： | 荣欣,时宇,李先如,顾彬,于杨,孙承林. Fe掺杂对Pt-Sn-K/γ-Al_2O_3异丁烷脱氢催化剂性能的影响[J]. 工业催化, 2016, 24(4): 48-54. DOI: 10.3969/j.issn.1008-1143.2016.04.009 |
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| 作者姓名： | 荣欣 时宇 李先如 顾彬 于杨 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) |
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| 摘 要： | 采用共沉淀法制备不同Fe含量的Fe(x)-γ-Al_2O_3复合氧化物载体,并采用真空浸渍法制备了Pt-Sn-K/Fe(x)-γ-Al_2O_3催化剂。对制备的催化剂进行XRD、N_2物理吸附-脱附和NH_3-TPD表征,研究Fe的掺杂对Pt-Sn-K/Fe(x)-γ-Al_2O_3催化剂的结构及其催化异丁烷脱氢反应性能的影响。结果表明,Fe的引入可以改变催化剂的反应活性和产物选择性,当Fe_2O_3掺杂质量分数为4%时,催化剂具有最高的异丁烯收率,50 h的平均收率达到42.9%。
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| 关 键 词： | 催化化学 Fe掺杂 Pt-Sn-K/Fe(x)-&gamma -Al2O3催化剂 共沉淀 异丁烷脱氢 |
Effects of Fe doping on the performance of Pt-Sn-K/γ-Al2O3catalyst for isobutane dehydrogenation |
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| Rong Xin,Shi Yu,Li Xianru,Gu Bin,Yu Yang,Sun Chenglin. Effects of Fe doping on the performance of Pt-Sn-K/γ-Al2O3catalyst for isobutane dehydrogenation[J]. Industrial Catalysis, 2016, 24(4): 48-54. DOI: 10.3969/j.issn.1008-1143.2016.04.009 |
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| Authors: | Rong Xin Shi Yu Li Xianru Gu Bin Yu Yang 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) |
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| Abstract: | A series of Fe(x)-γ-Al2O3 carriers with different contents of Fe were prepared by coprecipitation method.Pt-Sn-K/Fe(x)-γ-Al2O3 catalysts were prepared by vacuum impregnation method and characterized by XRD,N2-physisorption and NH3-TPD methods.The effects of Fe doping on the structure and catalytic properties of Pt-Sn-K/Fe(x)-γ-Al2O3 catalysts for isobutane dehydrogenation were investigated.The results showed that the addition of Fe changed the reactivity of the catalyst and the selectivity to the product.When the doping mass fraction of Fe2O3 was 4%,the catalyst possessed the optimal isobutene yield,and isobutene average yield was 42.9% for reaction 50 h. |
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| Keywords: | catalytic chemistry Fe doping Pt-Sn-K/Fe(x)-γ-Al2O3 catalyst coprecipitation isobutane dehydrogenation |
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