Adsorbent

(mg/g)

Reference

Bottom ash

12.10

[49]

TS, NaOH-TS

118, 195

[50]

‚ÄČAnanas comosus (pineapple) leaf powder (PLP)

158.73

[51]

Phosphoric acid activated carbons (PAAC)

60.42

[32]

Sulphuric acid activated carbons (SAAC)

85.84

[32]

Cocoa (theobroma cacao) shell (CSAC)

43.50

[52]

Activated carbon

15.7 - 19.8

[53]

ZFA

19.6

[22]

ZBA

17.6

[22]

Different natural materials

60.8 - 65.8

[48]

TTC

58.8

present study