Fig. 5: Effect of pore size of microporous membranes on the separation performance for differentiating monovalent and divalent anions. | Nature Communications

Fig. 5: Effect of pore size of microporous membranes on the separation performance for differentiating monovalent and divalent anions.

From: Microporous membrane with ionized sub-nanochannels enabling highly selective monovalent and divalent anion separation

Fig. 5

a Free volume pore sizes of the TB and QA-TB membranes obtained via PALS. b Schematic illustration of the separation mechanisms for monovalent (Cl-) and divalent (CO3²⁻, SO4²⁻) anions, considering the influence of hydration energy.

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