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Effect of pH in the preparation of γ-Bi2MoO6 for oxidative dehydrogenation of n-butene to 1,3-butadiene: Correlation between catalytic performance and oxygen mobility of γ-Bi2MoO6

Paper ID Volume ID Publish Year Pages File Format Full-Text
52898 46890 2007 4 PDF Available
Title
Effect of pH in the preparation of γ-Bi2MoO6 for oxidative dehydrogenation of n-butene to 1,3-butadiene: Correlation between catalytic performance and oxygen mobility of γ-Bi2MoO6
Abstract

γ-Bi2MoO6 catalysts were prepared by a co-precipitation method with a variation of pH value (pH 1–7), and they were applied to the oxidative dehydrogenation of n-butene to 1,3-butadiene in a continuous flow fixed-bed reactor. Temperature-programmed reoxidation (TPRO) measurements were carried out to determine the oxygen mobility to make up lattice oxygen of γ-Bi2MoO6 consumed in the reaction. It was observed that the catalytic performance of γ-Bi2MoO6 was closely related to the oxygen mobility of γ-Bi2MoO6. The yield for 1,3-butadiene was monotonically increased with decreasing TPRO peak temperature and with increasing TPRO peak area. Among the catalysts tested, the γ-Bi2MoO6 catalyst prepared at pH 3 showed the best catalytic performance due to its facile oxygen mobility.

Keywords
γ-Bi2MoO6; Effect of pH; n-Butene; 1,3-Butadiene; Oxidative dehydrogenation; Oxygen mobility; Temperature-programmed reoxidation (TPRO)
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Effect of pH in the preparation of γ-Bi2MoO6 for oxidative dehydrogenation of n-butene to 1,3-butadiene: Correlation between catalytic performance and oxygen mobility of γ-Bi2MoO6
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 3, March 2007, Pages 625–628
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us