CE 530 Reverse Osmosis
Process diagram: 1 membrane module,  2 retentate,  3 permeate,  4 “separation” pressure maintaining valve,  5 “flushing” pressure maintaining valve,  6 distilled water,  7 salt solution,  8 pump,  9 bypass valve,  10 pulsation damper;  sensors: P pressure,  F flow,  T temperature,  E conductivity