Table 2.

Membrane module specifications and operating conditions.

Parameter	Value
Membrane Contactor
Membrane material	Polypropylene
Fiber inner diameter, di (m)	2.20 × 10−4
Fiber outer diameter, do (m)	3.00 × 10−4
Membrane thickness, δ (m)	0.4 × 10−4
Effective length of the fiber, L (m)	0.1132
Number of fibers, N	7400
Membrane pore diameter, dp (m)	4.00 × 10−8
Effective inner membrane area, Ai (m2)	0.58
Effective outer membrane area, Ao (m2)	0.79
Lumen side volume, Vl (mL)	53
Shell side volume, Vg (mL)	78
Porosity, ε	40
Packing factor, ϕ	0.36
Tortuosity, τ a	6.4
Operating conditions
Operating configuration	Countercurrent
Operating temperature T (°C)	25
Liquid flowrate, Ql (mL min−1)	100–400
Liquid velocity, Vl (m s−1)	5.93 × 10−3–2.37 × 10−2
Liquid Reynold number, Rel (-)	1.29–5.19
Gas flowrate, Qg (mL min−1)	50–200
Gas velocity, Vg (m s−1)	1.11 × 10−3–4.43 × 10 −3
Gas Reynold number, Reg (-)	3.70 × 10−2–1.48 × 10−1

^a τ $=\frac{{\left(2-\mathsf{\epsilon }\right)}^2}{\mathsf{\epsilon }}$ [41].