Table 5.
System boundary and operating conditions used for simulation.
| Factors | Value |
|---|---|
| Reactor volume | 0.0215 m3 |
| Initial bed height (m) | 1.5 |
| Initial void fraction | 0.431 |
| Gas density (kg/m3) | 23.45 |
| Catalyst diameter | 3.0 × 10−4 m |
| Gas viscosity (Pa·s) | 1.14 × 10−4 |
| Mole fraction of hydrogen | 2000 ppm |
| Cocatalyst concentration (mol/L) | 0.01 |
| Solid density (kg/m3) | 1039 m3 |
| Coefficient of restitution | 0.8 |
| Angle of internal fraction | 30 |
| Maximum solid packing volume fraction | 0.75 |
| Time step (s) | 0.001 |
| Activation energy, E (J·mol−1) | 7.04 × 104 |
| Active site of catalyst (mol·m−3) | 1.88 × 10−4 |
| Feed monomer concentration (mol·m−3) | 1.0 |
| Hydrogen concentration (mol·m−3) | 0.02 |
| Inner diameter (Reaction zone) | 0.1016 m |
| Cross sectional area | 0.00785 m2 |
| Height | 1.5 m |
| Volume | 0.011775 m3 |
| Inner diameter (Disengagement zone) | 0.25 m |
| Cross sectional area | 0.0490625 m2 |
| Height | 0.25 m |
| Volume | 0.0097 m3 |