Aspartic Acid- and Glycine-Functionalized Mesoporous Silica as an Effective Adsorbent to Remove Methylene Blue from Contaminated Water

Figure 10

Adsorption efficiency of the fresh Asp-MSNs and Gly-MSNs (1st use) and that of the regenerated nanoadsorbents after two, three, and four uses in the removal of MB from contaminated water at  = 50 mg·L,  =10 mL,  =298 K, and pH =7.