Operational Condition research for a reverse osmosis water treatment

The purpose of this study was to present a method for determining the optimum operating pressure and discharge for the treatment of high soluble solids in reverse osmosis pilot. For the purpose of technical studies of purification and determination of pressure and discharge, the effluent of resuspended ion exchange resins with high soluble salts of about 8000 mg / l was used. The results showed that increasing the pressure increased the permeability of salt and flux, but it was not possible to select the optimum pressure and discharge based on the highest amount of salt and flux. Therefore, considering the factors such as the probability of clogging and the permissible operating limits of the membrane used, the effluent characteristics, the quality and quantity required of the treated effluent, the optimum pressure, and inlet flow were determined. Accordingly, from 3 and 50 litres per minute, 15 and 18 times and 40 inlet discharge, respectively, between three pressure ranges of 12 pressures, 15 times, and 45 litres per minute were selected as optimum effluent discharge pressure and discharge.

Keywords:

Reverse osmosis , waste-water treatment , Hydrodynamics , Water management