Research Article
Optimal Catalyst and Cocatalyst Precontacting in Industrial Ethylene Copolymerization Processes
Table 1
Operating conditions and main physical, thermodynamic, and transport properties.
| Parameter/property | Value |
| Temperature, T | 25°C | Overall pressure, P | 1 bar | Catalyst density, | 1.8 Kg/m3 | Mean catalyst diameter, | 10 μm | Catalyst porosity, | 0.2 | External mass transfer coefficient, | 0.018 1/ | Overall TEAL diffusion coefficient in catalyst particle, [26, 27] | cm2/s | Cocatalyst thermodynamic concentration in the solid phase, | 0.0185 gr/ | Cocatalyst thermodynamic concentration in the liquid phase, | 0.0240 gr/ |
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: equivalent value of = 0.00225 m/s.
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