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采用等体积浸渍法制备了γ-Al2O3负载的Pt和/或Ni双金属催化剂或单金属催化剂,测定了它们的CO化学吸附量,并在原位红外间歇反应装置上评价了其催化1,3-环己二烯(1,3-CHD)的低温(308K)加氢和脱氢性能.结果表明,Pt-Ni/γ-Al2O3催化剂性能优于Pt/γ-Al2O3或Ni/γ-Al2O3.结合密度泛函理论计算的不同催化剂上1,3-CHD的表面吸附能,验证了具有较弱环烯烃吸附能的双金属催化剂加氢活性较高.

参考文献

[1] Shinohara C;Kawakami S;Moriga T;Hayashi H Hodoshima S Saito Y Sugiyama S .[J].Applied Catalysis A:General,2004,266:251.
[2] Hodoshima S;Shono A;Satoh K;Saito Y .[J].Studies in Surface Science and Catalysis,2006,159:177.
[3] Lu SL;Lonergan WW;Bosco JP;Wang SR;Zhu YX;Xie YC;Chen JG .Low temperature hydrogenation of benzene and cyclohexene: A comparative study between gamma-Al2O3 supported PtCo and PtNi bimetallic catalysts[J].Journal of Catalysis,2008(2):260-268.
[4] Qi ST;Yu W T;Lonergan W W;Yang B L Chen J G .[J].ChemCatChem,2010,2:625.
[5] Chen J G;Qi S T;Humbert M P;Menning C A Zhu Y X .[J].Acta Physico-Chimica Sinica,2010,26:869.
[6] Hammer B;Norskov J K .[J].Surface Science,1995,343:211.
[7] Pallassana V.;Neurock M. .Electronic factors governing ethylene hydrogenation and dehydrogenation activity of pseudomorphic Pd-ML/Re(0001), Pd-ML/Ru(0001), Pd(111), and Pd-ML/Au(111) surfaces[J].Journal of Catalysis,2000(2):301-317.
[8] Chen J G;Menning C A;Zellner M B .[J].Surface Science Reports,2008,63:201.
[9] Mavrikakis M;Greeley J .[J].Nature Materials,2004,3:810.
[10] Kitchin J R;Norskov J K;Barteau M A;Chen J G .[J].Physical Review Letters,2004,93:156801.
[11] Murillo, LE;Goda, AM;Chen, JG .Selective hydrogenation of the CO bond in acrolein through the architecture of bimetallic surface structures[J].Journal of the American Chemical Society,2007(22):7101-7105.
[12] Skoplyak O;Barteau M A;Chen J G .[J].ChemSusChem,2008,1:524.
[13] Hansgen D A;Vlachos D G;Chen J G .[J].Nature Chem,2010,2:484.
[14] Tjandra S;Zaera F .[J].Journal of Catalysis,1996,164:82.
[15] Menning C A;Chen J G .[J].Journal of Power Sources,2010,195:3140.
[16] Mu R T;Fu Q;Liu H Y;Tan D L Zhai R S Bao X H .[J].Applied Surface Science,2009,255:7296.
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