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An RO facility is being designed to treat groundwater containing the ions given below. Calculate the allowable...

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Civil Engineering

An RO facility is being designed to treat groundwatercontaining
the ions given below. Calculate the allowable recovery beforescaling
occurs and identify the limiting salt. Assume 100 percentrejection, a
concentration polarization factor of 1.08, and T = 25â—¦C, andignore
the impact of ionic strength. The water contains calcium =105
mg/L, strontium = 2.5 mg/L, barium = 0.0018 mg/L, sulfate =128
mg/L, fluoride = 1.3 mg/L, and silica = 9.1 mg/L as Si.

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