Catalyst Research Group, Petrochemical Research and Technology Company, National Petrochemical Company, Tehran, Iran
Abstract
The effect of the addition of different promoters, namely, La, Ir, Re and Cs to trimetallic Pt-Sn-K/Al2O 3 catalyst on its performance in propane dehydrogenation was studied. The reference trimetallic Pt/Sn/K and tetrametallic catalysts Pt/La/Sn/K, Pt/Ir/Sn/K, Pt/Re/Sn/K and Pt/Sn/Cs/K were prepared by sequential impregnation of γ-alumina support. The catalysts were characterized by TPD and TPR tests. Catalytic performance tests were carried out in a fixed-bed quartz reactor for propane dehydrogenation activity and propylene selectivity under representative industrial conditions. The Pt/Sn/Cs/K catalyst showed better performances in terms of propylene yield. The performance of Pt/Sn/Cs/K catalysts was further improved by adjusting its Cs loading. The addition of Cs to Pt-Sn-K/Al2O 3 catalyst could improve catalytic performance chiefly through modifying the nature of acidic function of the support.
Tahriri Zangeneh,F. and Sahebdelfar,S. (2011). Effect of Addition of Different Promoters on the Performance of Pt-Sn-K/Al2O3 Catalyst in the Propane Dehydrogenation. Iranian Journal of Chemical Engineering (IJChE), 8(3), 48-54.
MLA
Tahriri Zangeneh,F. , and Sahebdelfar,S. . "Effect of Addition of Different Promoters on the Performance of Pt-Sn-K/Al2O3 Catalyst in the Propane Dehydrogenation", Iranian Journal of Chemical Engineering (IJChE), 8, 3, 2011, 48-54.
HARVARD
Tahriri Zangeneh F., Sahebdelfar S. (2011). 'Effect of Addition of Different Promoters on the Performance of Pt-Sn-K/Al2O3 Catalyst in the Propane Dehydrogenation', Iranian Journal of Chemical Engineering (IJChE), 8(3), pp. 48-54.
CHICAGO
F. Tahriri Zangeneh and S. Sahebdelfar, "Effect of Addition of Different Promoters on the Performance of Pt-Sn-K/Al2O3 Catalyst in the Propane Dehydrogenation," Iranian Journal of Chemical Engineering (IJChE), 8 3 (2011): 48-54,
VANCOUVER
Tahriri Zangeneh F., Sahebdelfar S. Effect of Addition of Different Promoters on the Performance of Pt-Sn-K/Al2O3 Catalyst in the Propane Dehydrogenation. IJChE, 2011; 8(3): 48-54.
