Agricultural soils in California are high in salt content (assume NaCl). Irrigation water used in growing row crops in CA must be filtered before discharge in rivers and streams, and is typically performed by using reverse osmosis (RO). The water quality standard in CA for salt in ag runoff water is 2.00 parts per thousand (ppt). If irrigation runoff is 68.37 ppt, what applied (hydrostatic) pressure must be used to filter runoff by RO to meet the CA water quality standard at 20.00 °C? (Note: the density of the NaCl(aq) solution is 1.0031 g/mL at 20.00 °C).
Agricultural soils in California are high in salt content (assume NaCl). Irrigation water used in growing row crops in CA must be filtered before discharge in rivers and streams, and is typically performed by using reverse osmosis (RO). The water quality standard in CA for salt in ag runoff water is 2.00 parts per thousand (ppt). If irrigation runoff is 68.37 ppt, what applied (hydrostatic) pressure must be used to filter runoff by RO to meet the CA water quality standard at 20.00 °C? (Note: the density of the NaCl(aq) solution is 1.0031 g/mL at 20.00 °C).
Given
water quality standard in CA for salt in runoff water = 2.00 parts per thousand (ppt)
irrigation runoff=68.37 ppt
temperature =20o C
density of NaCl solution=1.0031 g/mL
To find
the applied (hydrostatic) pressure to carry out the RO process
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