Problem 3 A three stage RO system is designed using the following module data of the Osmonics permeator Module Data Membrane recovery ratio: 7% Salt rejection: 99.5% Maximum applied pressure: 5500 kPa Minimum brine flow rate: 1.584 m3/ Maximum brine flow rate: 14.256 m3/d Permeate flow rate: 1.43 m3/d Design Data Feed salinity is 34,000 ppm Plant capacity: 24000 m/ Problems 437 Permeate pressure: 101 kPa Calculate the number of modules in each stage for the following configuration, flow rates and salinity of all stream, and the specific power consumption. Product Feed Brine