Sorbent qmax (mg g-1)
Degreased coffee bean 55.3
Treated sawdust 65.8
Arundo donax root carbon 8.69
Activated charcoal 0.179
Waste apricot 116.27
Activated carbons commercial grade 8.27
Laboratory grade activated carbons 42.18
Bentonite 7.72
Sugarcane dust 4.88
Hen feathers 26.1
Iron humate 19.2
Rubber wood sawdust 36.45
Cellulose 2.422
Neem leaf powder 133.6
Ricinus communis 27.78
Lemon peel 51.73
Caulerpa racemosa var. cylindracea 26.57
Rattan sawdust 62.7
Maize cob powder 37.037
Sea shell powder 42.33
Salix Leafs powder 62.35
activated sunflowers seeds shell carbon, (present work) 39.4
Table 5: Comparison between adsorption capacity of low-cost adsorbents.