Table 5 Adsorption capacities (AC) and other parameters for the removal of fluoride by metal oxides/hydroxides/oxyhydroxides, mixed metal oxides, metal- impregnated oxides as adsorbents

Magnesia-amended silicon dioxide

12.6

-

3.0

[64]

Superparamagnetic sorbent(ZrO₂/SiO₂/Fe₃O₄)

14.7

10-105

4

[65]

Calcined meixnerite

16.0

12.4-248

6.5

[66]

Al-Ce hybrid adsorbent

91.4

2-15

6.0

[67]

Aluminium titanate, Bismuth aluminate

3.01, 7.09

2-10

7.0

[69]

Magnesia, Magnesia/chitosan composite

2.2, 4.4

10-23

10-10

[70]

Magnesium Titanate

0.03

2-10

3-11

[73]

Bauxite

5.16

4-26

6

[74]

Mn-Ce oxide adsorbent powdered & granular

79.5 & 45.5

10-100

6-8

[76]

Manganese dioxide with earthenware

9.02

3-6

7.15

[77]