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Improving oxidative dehydrogenation of 1-butene to 1,3-butadiene on Al2O3 by Fe2O3 using CO2 as soft oxidant

Paper ID Volume ID Publish Year Pages File Format Full-Text
39079 45805 2015 7 PDF Available
Title
Improving oxidative dehydrogenation of 1-butene to 1,3-butadiene on Al2O3 by Fe2O3 using CO2 as soft oxidant
Abstract

•The important role of Fe2O3 is proved both for increasing 1-butene conversion and 1,3-butadiene (BD) selectivity.•Isomerization is a faster reaction compared to the oxidative dehydrogenation reaction.•In situ DRIFTS suggests a promotion effect of CO2 on the activation of 1-butene over Fe2O3/Al2O3 catalyst.

The gradually increasing demand on 1,3-butadiene (BD) requires alternative production routes. Catalytic oxidative dehydrogenation of 1- butene to BD using CO2 as soft oxidant was proved as a potential process and thus systematically studied over Fe2O3/Al2O3 catalysts. It was found that the loaded Fe2O3 promotes oxygen mobility and modifies the surface acidity of Al2O3, leading to a higher 1-butene conversion and BD selectivity; the highest ones were obtained on 20 wt.% Fe2O3/Al2O3 at 600 °C. The in situ Diffuse Reflectance Infrared Fourier Transform Spectroscopy studies revealed that CO2 is essential to promote the activation of 1-butene on the Fe2O3 catalysts and thus BD production.

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Keywords
1,3-Butadiene; In situ DRIFTS; Iron oxide catalyst; Oxidative dehydrogenation; Soft oxidant
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Improving oxidative dehydrogenation of 1-butene to 1,3-butadiene on Al2O3 by Fe2O3 using CO2 as soft oxidant
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 508, November 2015, Pages 61–67
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