The Reactants' Phase State: A Nonnegligible Factor in Tetralin Hydrogenation Catalysts Evaluation

The effects of reactants’ phase states (gas-liquid and single gas phase) on tetralin hydrogenation were investigated in the fixed bed. The kinetics of tetralin hydrogenation under different phase states was analyzed. Results showed that, without phase transition, the tetralin conversion increased wi...

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Bibliographic Details
Published inInternational Journal of Chemical Engineering Vol. 2014; no. 2014; pp. 1 - 8
Main Authors Luo, Mingjian, Wang, Qingfa, Zhang, Xiangwen, Hu, Bing
Format Journal Article
LanguageEnglish
Published Cairo, Egypt Hindawi Limiteds 01.01.2014
Hindawi Puplishing Corporation
Hindawi Publishing Corporation
Hindawi Limited
Wiley
Subjects
Aqueous solutions
Catalysis
Catalysts
Chemical engineering
Conversion
Deactivation
Dew point
Diesel fuels
Equilibrium
Fixed bed reactors
Gas phases
Hydrogenation
Phase transitions
Solvents
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Summary:The effects of reactants’ phase states (gas-liquid and single gas phase) on tetralin hydrogenation were investigated in the fixed bed. The kinetics of tetralin hydrogenation under different phase states was analyzed. Results showed that, without phase transition, the tetralin conversion increased with the rise of temperature. However, it decreased dramatically around the dew point of the feed at which the reactants’ phase state transferred from gas-liquid phase into gas phase. It was also observed that the gas-liquid phase state was favorable to reduce the deactivation of catalyst in the tetralin hydrogenation.
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ISSN:1687-806X
1687-8078
DOI:10.1155/2014/405703