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| Thermodynamic and kinetics analysis of catalytic hydrogenation of methyl oleate over Ni-Al alloy |
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| KeyWord:methyl oleate methyl stearate catalytic hydrogenation group-contribution method thermodynamic analysis reaction kinetics |
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| Abstract: |
| Thermodynamic parameter of hydrogenation of the ?CC? bond in methyl oleate were studied based on the basic thermodynamic data of methyl oleate and methyl stearate estimated by Benson and Constantinous-Gani group contribution methods and corresponding-state method. Kinetics of catalytic hydrogenation of methyl oleate over Ni-Al alloy was also analyzed in the absence of mass-transport limitation, the apparent activation energy was calculated and corresponding kinetic equation was established. The results indicated that hydrogenation of methyl oleate to prepare methyl stearate was an exothermic process, with an standard molar enthalpy of reaction of approximate-104.5 kJ/mol between 433 K and 463 K... |
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