Abstract
Background: Nanoporous filtration membranes are important for ultimate purification. An optimized cylindrical-shaped nanoporous filtration membrane with two different pores across the membrane thickness registered in the patent is introduced. It has significantly improved performances in purification.
Objective: To introduce an optimized cylindrical-shaped nanoporous filtration membrane with improved performances.
Methods: An analysis was carried out for the minimum flow resistance of the proposed membrane by using the flow equation for a nanoscale fluid flow. The optimal parameters of the membrane were found.
Results: The analytical results show that there exists an optimal ratio between the radii of the two nanopores across the membrane thickness for yielding the highest flux of the membrane.
Conclusion: The invented membrane is advantageous over conventional membranes with single cylindrical pores across the membrane thickness in the overall performances including the flux and the mechanical strength of the membrane.
Keywords: Design, filtration, flow resistance, flux, mechanical strength, membrane, nanopore, optimization.
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