Effect of Reaction Conditions for n-Butane Dehydrogenation over Pt-Sn/θ-Al2O3 Catalyst 


Vol. 18,  No. 2, pp. 162-169, Jun.  2012


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  Abstract

Pt-Sn/θ-Al2O3 catalyst for n-butane dehydrogenation reaction was prepared by incipient wetness method. To confirm the physicochemical properties of Pt-Sn/θ-Al2O3 catalyst, the characterization was performed using X-ray diffraction (XRD), N2 sorption analysis, temperature programmed desorption of NH3 (NH3-TPD), temperature programmed reduction of H2 (H2-TPR) techniques. Also, the catalytic activities of Pt-Sn/θ-Al2O3 for n-butane dehydrogenation was tested as a function of pretreatment temperature, pretreatment time, reaction temperature, and the partial pressure of n-butane and hydrogen. The sum of selectivities to n-butenes consisting of 1-butene, cis-2-butene, and trans-2-butene was almost constant 95% in the range of conversion of n-butane 5-55%. The activation energy calculated from Arrhenius equation was 84 kJ mol-1 and the reaction orders of n-butane and hydrogen from Power’s law were 0.70 and -0.20, respectively.

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  Cite this article

[IEEE Style]

C. KH, K. SE, P. JH, C. JH, S. CH, "Effect of Reaction Conditions for n-Butane Dehydrogenation over Pt-Sn/θ-Al2O3 Catalyst," Clean Technology, vol. 18, no. 2, pp. 162-169, 2012. DOI: .

[ACM Style]

Cho KH, Kang SE, Park JH, Cho JH, and Shin CH. 2012. Effect of Reaction Conditions for n-Butane Dehydrogenation over Pt-Sn/θ-Al2O3 Catalyst. Clean Technology, 18, 2, (2012), 162-169. DOI: .

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