Research Article
Reaction Kinetics of Cinnamaldehyde Hydrogenation over Pt/SiO2: Comparison between Bulk and Intraparticle Diffusion Models
Table 4
Predicted kinetic parameters.
| | Parameter | Bulk model | Intraparticle diffusion model |
| | Adsorption constants | KCALD | 0.0298 | 0.067827 | | KCALC | 0.9514 | 2.39272 | | KHALD | 0.1663 | 0.270205 | | KHALC | 0.9764 | 0.929179 | | KH2 | 0.0052 | 0.233519 |
| | Pre-exponential factor | A1o | 64.1472 | 45001.91 | | A2o | 98.3952 | 968396 | | A3o | 534.75 | 20378.56 | | A4o | 199.63 | 12009.24 |
| | Activation energy (kJ/mol) | E1 | 24.33 | 31.35 | | E2 | 28.27 | 43.96 | | E3 | 152.59 | 146.08 | | E4 | 37.74 | 34.81 |
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