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. 2020 Nov 27;6(11):e05610. doi: 10.1016/j.heliyon.2020.e05610

Table 7.

FFD solution for optimization setting.

Lower limit Upper limit Goal setting Solution
X1: Pebax concentration (wt %) 1 3 In range 3
X2: GO dispersed in Pebax (wt %) 0 0.5 In range 0.4
X3: GO dispersed in PSF (wt %) 0 0.4 In range 0.4
X4: Pebax–GO coating layer 1 3 In range 1
Y: Permeate flux kg/m2h 0.738569 1.03689 Maximize 1.03689 Desirability (1)