E1. We are doing RO of dilute aqueous sucrose solutions at 25°C. A feed that is 2.2 wt % sucrose is separated in a very well-stirred system (M = 1.0) with pr = 60.0 atm and pp = 1.1 atm. We measure the flux as when xp = 0.00032 and xr,out = 0.056.
a. Calculate the cut θ′, the inherent rejection R°, and the sucrose flux .
b. Calculate the selectivity , , and .
c. If we now repeat the experiment with less mixing so that M = ...