Abstract

Abstract In this work, a one-dimensional model of a low-pressure reverse osmosis (LPRO) membrane process has been developed using an augmented model previously developed by the same authors to analyse the rejection of N-nitrosamine from wastewater. The model, based on the principles of the solution-diffusion coupled with the concentration polarization theory, is validated using experimental data of N-nitrosamine rejection from the literature for three different types of membranes in an RO process. Finally, detailed simulation of the LPRO process is carried out for variety of operating conditions such as inlet feed flow rate, pressure, feed concentration, and temperature.

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