Research Article

Optimal Catalyst and Cocatalyst Precontacting in Industrial Ethylene Copolymerization Processes

Table 1

Operating conditions and main physical, thermodynamic, and transport properties.

Parameter/propertyValue

Temperature, T25°C
Overall pressure, P1 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/

: equivalent value of = 0.00225 m/s.