The water TDS is less than 10% of seawater, so RO should work fine, and they should get at least 80+% recovery of permeate with a good RO system. If they need to recover the reject water then the suggestion to use EDR might be reasonable, but it really adds to cost.
Published by Joseph Cotruvo, President at Joseph Cotruvo & Associates, Water , Environment and Public Health
The water TDS is less than 10% of seawater, so RO should work fine, and they should get at least 80+% recovery of permeate with a good RO system. If they need to recover the reject water then the suggestion to use EDR might be reasonable, but it really adds to cost.