In Situ Synthesis of Structural Hierarchy Flowerlike Zeolite and Its Application for Fluoride Removal in Aqueous Solution

Table 1

Previous studies for fluoride removal from water.

Adsorbent	Type of water	Adsorption capacity (mg g^-1)	Contact time	References
Al(III)-Zr(III) binary oxide	Aqueous solutions	114.5	4 h	[48]
Regenerated aluminum oxide-coated media	Aqueous solutions	34.24	5 days	[49]
3D hierarchical amorphous aluminum oxide microspheres	Aqueous solutions	126.9	600 min	[50]
Synthetic Fe-Mg-La trimetal nanocomposite	Aqueous solutions	47.2	—	[51]
TiO2-ZrO2	Groundwater/synthetic water system	13.1	1.5 h	[52]
Zeolite NaA	Aqueous solutions	161	30 min	In this study