Fig. 9 | Scientific Reports

Fig. 9

From: Green clay engineering via dimethyl sulfoxide, dimethylformamide, and urea-assisted exfoliation of serpentinite for efficient azithromycin adsorption as emerging pharmaceutical pollutant

Fig. 9

Effect of initial AZT concentration on the adsorption capacity of DMSO/SP (A), DMF/SP (B), and U/SP (C). Nonlinear equilibrium fitting of AZT adsorption using the Langmuir model for DMSO/SP (D), DMF/SP (E), and U/SP (F); Freundlich model for DMSO/SP (G), DMF/SP (H), and U/SP (I); and Dubinin–Radushkevich (D–R) model for DMSO/SP (J), DMF/SP (K), and U/SP (L).

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