Figure 4

Effect of pH on fluoride adsorption by LiAl-LDH@201 and LaLiAl-LDH@201 at 298 K. [F−]0 = 20 mg/L, adsorbent dosage = 0.50 g/L, contact time = 24 h.
Effect of pH on fluoride adsorption by LiAl-LDH@201 and LaLiAl-LDH@201 at 298 K. [F−]0 = 20 mg/L, adsorbent dosage = 0.50 g/L, contact time = 24 h.