Numerical Simulation and Analysis of CO₂ Removal in a Polypropylene Hollow Fiber Membrane Contactor

Table 1

Dimensions and properties of the membrane contactor module.

Parameter	Value	Reference
Inner tube radius (mm)	0.15	Membrane manufacture
Outer tube radius (mm)	0.2	Membrane manufacture
Inner shell radius (mm)	0.3	Calculated
Module length (mm)	900	Membrane manufacture
Number of fibers	3000	Membrane manufacture
Membrane porosity/tortuosity	0.7/2	Membrane manufacture
𝐷CO2-tube (m^2 s^−1)	1.51×10^−9	[23]
𝐷CO2-shell (m^2 s^−1)	1.8×10^−5	[24]
𝐷CO2-membrane (m^2 s^−1)	6.34×10^−6	Calculated
𝐷MEA-tube (m^2 s^−1)	7.55×10^−10	Calculated
𝐷MEA-membrane (m^2 s^−1)	2.64×10^−10	Calculated
𝑚	0.8314	[23]
𝑘𝑟 (m^3 mol^−1 s^−1)	5.868	Calculated