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Table 6 Adsorption capacities (AC) and other parameters for the removal of fluoride by Bio adsorbents

From: A critical study on efficiency of different materials for fluoride removal from aqueous media

Adsorbent

AC (mg/g)

CR (mg/L)

pH

Ref.

Neodymium-modified chitosan

22.4

10-100

7.0

[81]

PANi/Ch, PPy/Ch

5.9, 6.7

2-10

7.0

[82]

Lanthanum incorporated chitosan beads

4.7

5.34

5.0

[83]

Chitin

3.4

1-100

4.8

[85]

Rice husk ash (RHA) by coating Al(OH)3

9-10

10-60

5

[86]