Water at 70°C is to be passed through a porous polyethylene membrane of 25% porosity with an…

Water at 70°C is to be passed through a porous polyethylene membrane of 25% porosity with an average pore diameter of 0.3 micron and an average tortuosity of 1.3. The pressures on the downstream and upstream sides of the membrane are 125 and 500 kPa, respectively. Estimate the flow rate of water through the membrane in m3/m2-day

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