A reverse osmosis plant desalinates 5x106 lday of feedwater, Ask an Expert

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A groundwater sample , at 25 degrees C, has Eh= 1.00 and the pH=6.800. When the system is at equilibrium, calculate the amount ofdissolved oxygen (in ppm) in the ground water sample.

A reverse osmosis plant desalinates 5x10^6 L/day of feedwater containing 1500mg/L of salts yielding 3x10^6 L/day of product water with 75 mg/L of salt. What would the salt concentration be in the brine?

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