Salt Passage - Reverse Osmosis Systems Print E-mail

Salt Passage - The salt passage describes the quantity of salt, as a percentage, which passes through the reverse osmosis membrane into to the permeate stream. Salt passage is a function of temperature, velocity and concentration gradient (i.e. concentration of salt in the brine versus the permeate).

Salt passage = (TDS-product) / (TDS-Feed) x 100

Note: Salt Passage = 1 - Salt Rejection

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