| 氧化铝担载的不同铂原子簇化合物催化正庚烷转化反应(英文) |
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| 引用本文： | 李增新,王海增.氧化铝担载的不同铂原子簇化合物催化正庚烷转化反应(英文)[J].青岛科技大学学报,2002,23(4):45-47. |
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| 作者姓名： | 李增新 王海增 |
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| 作者单位： | 青岛大学师范学院化学系 山东青岛266071
(李增新)，青岛海洋大学化学化工学院 山东青岛266003(王海增) |
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| 摘 要： | 考察了氧化铝担载的铂金属原子簇化合物 Pt3 ( μ2 -CO) 3 ( PPh3 ) 4 和 Pt3 ( CO) 6 ]5N( C2 H5) 4 ]2 (分别标记为 Pt3 和 Pt15)催化正庚烷转化反应的性能 ,并与常规铂催化剂 (标记 Pt1)在相似条件下的催化行为进行比较。正庚烷转化反应在内循环无梯度反应器内进行 ,转速 1 1 0 0 r· min- 1,催化剂装量 3 m L ,反应产物的出口与气相色谱仪相连 ,由计算机控制进行全程分析。反应条件为 50 0℃ ,1 .2 MPa,V( H2 )∶V( n-C7) =1 0 0 0∶ 1 ,空速为 3 .0 h- 1,测定催化剂的性能。再将压力由 1 .2 MPa降至 0 .4MPa,V( H2 )∶ V( n-C7) =70 0∶ 1 ,空速为 3 .0 h- 1初步考察催化剂的稳定性。测定数据表明 ,Pt3 和 Pt15的反应活性、异构化选择性和稳定性均高于常规铂催化剂 Pt1,Pt3 的活性和异构化选择性优于 Pt15。所得结论对于工业过程具有实际意义
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| 关 键 词： | 庚烷 铂原子簇 铂催化剂 |
Catalytic Conversion of n-Heptane over Alumina-supported Platinum Derived from the Different Aggregates of Platinum Cluster Complexes |
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| LI Zeng-xin ,WANG Hai-zeng.Catalytic Conversion of n-Heptane over Alumina-supported Platinum Derived from the Different Aggregates of Platinum Cluster Complexes[J].Journal of Qingdao University of Science and Technology:Natutral Science Edition,2002,23(4):45-47. |
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| Authors: | LI Zeng-xin WANG Hai-zeng |
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| Affiliation: | LI Zeng-xin 1,WANG Hai-zeng 2 |
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| Abstract: | The catalytic performance of alumina supported platinum metal cluster catalysts {Pt 3( μ 2-CO) 3(pph 3) 4/Al 2O 3&Pt 3(CO) 6] 5N(C 2H 5) 4] 2/Al 2O 3} for the catalytic reforming of hydrocarbons was studied under the conditions of reaction temperature and pressure(500℃ and 1.2 MPa) that approximated to the conventional platinum reforming process.The activity,aromatization selectivity and stability of the platinum metal cluster catalyst were found to be significantly improved in comparison with the conventional catalyst.The smaller platinium aggregate (Pt 3) was superior to the larger aggregates (Pt 15 ) for the catalytic conversion of n -heptane |
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| Keywords: | n -heptane platinum cluster complexes Pt catalyst |
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