The porosity of the membrane was calculated using the equation: porosity=(mb/ρb)/(mb/ρb + mp/ρp) × 100%, where mb and mp are the mass of n-butanol and the separator
The porosity of the membrane wascalculated using the equation: porosity=(mb/ρb)/(mb/ρb + mp/ρp) ×100%, where mb and mp are the mass of n-butanol and the separator