A membrane module is available for the purification of a brine that contains 30,000 ppm of NaCl.

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A membrane module is available for the purification of a brine that contains 30,000 ppm of NaCl. We need to process 1000 kg/h, and the permeate represents 75% of the initial flow. The concentration of the permeate must be 200 ppm of NaCl. Determine the average pressure applied to the feed side. The discharge occurs at atmospheric pressure.

Water permeability is 2.0531026 kg/m2 s kPa.

Salt permeability is 4.033l025 kg/m2 s.

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