878279.fig.001a
(a)
878279.fig.001b
(b)
878279.fig.001c
(c)
Figure 1: Ions and lactose rejection of UF whey versus volumetric flux for NF 200 membrane. Experimental results and ESK model by using GA method simulations. (a) Cl, Na+, P O 4 3 , and S O 4 2 ; (b) Mg2+, K+, and Ca2+; (c) lactose.