The following module data is used to design a two pass RO system that have a total feed to the first pass is 125,000 m'/

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The Following Module Data Is Used To Design A Two Pass Ro System That Have A Total Feed To The First Pass Is 125 000 M 1 (278.74 KiB) Viewed 22 times

The following module data is used to design a two pass RO system that have a total feed to the first pass is 125,000 m'/day: Module Data Membrane recovery ratio 12% Salt rejection 99.2% Module pressure drop (Pr-Pb) 75 kPa Permeate pressure 101 KPa Maximum permeate flow rate 1.5 m³/d Temperature 25 °C Minimum brine flow rate 6.0 m³/d Average molecular weight of salt in permeate, brine and feed 33 gm/gmole First Pass Data 1 2 3 qr (m³/day) 12.5 11 9.6800 qb (m³/day) 11.0 9.6800 8.5184 qp (m³/day) 1.5 1.32 1.1616 Xp 288 327.0 371.2 X₁ 36000 40869.8 46398.4 Xb 40869.8 46398.4 52674.8 Pr (KPA) 4800 4725 4650 Pb (kPa) 4725 4650 4575 Perform the following: 1) Draw the system showing all the given data 2) Perform the following for the first pass a. Calculate number of pressure vessels in the first pass? b. Determine total permeate flowrate and salinity from the first pass? 3) If number of vessels for the second pass is N2-5000, what will be the feed flow rate (qr) and salinity (X).