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. 2020 Feb 19;27(13):15488–15497. doi: 10.1007/s11356-020-08021-x

Fig. 7.

Fig. 7

a Performance tests in terms of oil rejection and water flux under different salt concentrations and b oil concentrations in the permeates under different salt concentrations, which indicate that the TNFS membranes can effectively separate oil under different salty environments