Skip to main content
. 2022 Mar 8;12(3):302. doi: 10.3390/membranes12030302

Figure 4.

Figure 4

Figure 4

The conductivity of the lactic acid solution thought different membranes: (a) NF270, (b) SelRO® MPF-36, (c) Toray NF, and (d) Alfa Laval NF. P1 and R1, P2 and R2, P3 and R3, and P4 and R4 belong to experiments 1, 2, 3, and 4 listed in Table 3. P is permeate and R is retentate.