From: A critical study on efficiency of different materials for fluoride removal from aqueous media
Adsorbent
AC (mg/g)
CR (mg/L)
pH
Ref.
Acidic alumina
8.4
5-15
3.6-11.6
[23]
Activated alumina (α- Al2O3)
88
15-100
5-6
[26]
Activated alumina (Grade OA-25)
2
2.5-14
7
[27]
Metallurgical grade alumina
13
-
[28]
Al(OH)3 (Al2O3.xH2O) (THA and UHA)
24 and 7
5-30
7 ± 0.3
[30]