Adsorbents

q_m (µmol/g)

Reference

2,2’-(butane-1,4-diylbis(oxy))dibenzaldehyde cross-linked magnetic chitosan nanoparticles

176.01

[17]

Chitosan 8B

163.93

This study

Hexamethylenediamine (HMDA)-modified zeolite

25.14

[45]

Formaldehyde treated carra sawdust

13.29

[16]

Hexadecyltrimethylammonium bromide (HTAB)-modified zeolite

9.78

[46]

Hexadecyltrimethylammonium bromide (HTAB)-modified sepiolite

9.58

[46]

Cetyltrimethylammonium bromide (CTAB)-modified zeolite

8.01

[47]