From: Removal of fluoride from water using a novel sorbent lanthanum-impregnated bauxite
Pore characteristics | Bauxite | LIB | Activated alumina |
---|---|---|---|
BET surface area | 7 m2/g | 14 m2/g | 242 m2/g |
BJH adsorption cumulative volume of pores between 17.000 and 3000.000 Å diameter | 0.09 cm3/g | 0.17 cm3/g | 0.29 cm3/g |
BJH Desorption cumulative volume of pores between 17.000 and 3000.000 Å diameter | 0.13 cm3/g | 0.17 cm3/g | 0.30 cm3/g |
Adsorption average pore width (4 V/A by BET) | 79 nm | 49 nm | 5 nm |
BJH Adsorption average pore diameter (4 V/A) | 63 nm | 54 nm | 5 nm |
BJH Desorption average pore diameter (4 V/A) | 48 nm | 43 nm | 5 nm |