Layered Rare-Earth Hydroxide Unilameller Nanosheets: Synthesis, Characterization, and Adsorption

Figure 9

Schematic diagram representing the fluoride sorption process using layered rare-Earth hydroxides unilameller flocs as sorbents: (a) flocculation, (b) self-assembly, (c) fluoride adsorption, (d) calcination, (e) fluoride adsorption, (f) chloride adsorption, and (g) calcination.