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Dehydrogenation of cyclohexane over molybdenum/mixed oxide catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
52163 46865 2008 6 PDF Available
Title
Dehydrogenation of cyclohexane over molybdenum/mixed oxide catalysts
Abstract

Catalytic dehydrogenation of cyclohexane was selected to investigate the catalytic activity and selectivity of prepared molybdenum catalysts (20-wt% MoO3) supported on alumina, magnesium–aluminum and chromium–aluminum mixed oxide materials. The prepared catalysts were characterized by; Fourier transform infrared spectroscopy, X-ray diffraction pattern, scanning electron microscopy and BET surface area measurements. The catalytic reaction was performed in a pulse micro-catalytic reactor operated under atmospheric pressure and at reaction temperature ranged from 250 to 550 °C. Mo/magnesium–aluminum oxide and Mo/chromium–aluminum oxide catalysts show better activity (96.0% and 91.0%) and selectivity (96.0% and 95.0%, respectively) toward benzene formation at 400 °C, compared with Mo/alumina one.

Keywords
Molybdenum catalysts; Alumina; Magnesium; Chromium; Mixed oxide; Dehydrogenation reaction
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Dehydrogenation of cyclohexane over molybdenum/mixed oxide catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 6, 31 March 2008, Pages 1398–1403
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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