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. 2019 Aug 14;4(9):13922–13935. doi: 10.1021/acsomega.9b01603

Figure 9.

Figure 9

(a) Effect of initial concentrations of Pb(II) and Cd(II) in the solution on the adsorption behavior of MoS2/SH-MWCNT nanocomposite as an adsorbent in terms of % removal of heavy-metal ions. (b) Langmuir and (c) Freundlich adsorption isotherms for the adsorption of [Pb(II) and Cd(II)] from mine water using MoS2/SH-MWCNT nanocomposite as adsorbent. (d) Comparison of adsorption capacity of O-MWCNT and MoS2/SH-MWCNT nanocomposite for Pb(II) and Cd(II). Adsorption conditions: time = 60 min; temperature = 25 °C; and adsorbent dosage = 2 mg mL–1.