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Direct dehydrogenation of n-butane over Pt/Sn/M/γ-Al2O3 catalysts: Effect of third metal (M) addition

Paper ID Volume ID Publish Year Pages File Format Full-Text
50293 46788 2014 6 PDF Available
Title
Direct dehydrogenation of n-butane over Pt/Sn/M/γ-Al2O3 catalysts: Effect of third metal (M) addition
Abstract

•Pt/Sn/M/γ-Al2O3 catalysts with third metal (M = Zn, In, Y, Bi, and Ga) were prepared.•Direct dehydrogenation of n-butane to n-butene and 1,3-butadiene was conducted.•Catalytic performance increased with increasing metal–support interaction.•Catalytic performance increased with increasing Pt surface area.

A series of Pt/Sn/M/γ-Al2O3 catalysts with different third metal (M = Zn, In, Y, Bi, and Ga) were prepared by a sequential impregnation method for use in the direct dehydrogenation of n-butane to n-butene and 1,3-butadiene. In the direct dehydrogenation of n-butane, Pt/Sn/Zn/γ-Al2O3 catalyst showed the best catalytic performance. Catalytic performance decreased in the order of Pt/Sn/Zn/γ-Al2O3 > Pt/Sn/In/γ-Al2O3 > Pt/Sn/γ-Al2O3 > Pt/Sn/Y/γ-Al2O3 > Pt/Sn/Bi/γ-Al2O3 > Pt/Sn/Ga/γ-Al2O3. The catalytic performance increased with increasing metal–support interaction and Pt surface area of the catalyst.

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Keywords
Direct dehydrogenation; n-Butane; n-Butene; 1,3-Butadiene; Platinum–tin catalyst
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Direct dehydrogenation of n-butane over Pt/Sn/M/γ-Al2O3 catalysts: Effect of third metal (M) addition
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 47, 5 March 2014, Pages 22–27
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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