Adsorption of Cd (II) Using Chemically Modified Rice Husk: Characterization, Equilibrium, and Kinetic Studies

Table 6

Comparison of maximum adsorption capacity of other adsorbents with chemically modified rice husk.

Adsorbent	(mg/g)	References
Treated rice husk	11.06	Present work
Rice husk	5.13	Present work
Lignin/chitin film	0.28	[68])
Olive cake	10.5	[83])
Hazelnut shell	5.42	[84])
Almond shell	3.18	[84])
Crab shell	3.43	[85])
Corbicula fluminea shell	4.03	[85])
Oyster shell	3.42	[86])
Chemically modified wheat straw	3.83	[65])
Black gram husk; Lentil husk	38.76; 107.31	[65]); [65])
Areca waste	1.32	[66])
L. Cylindrica	6.71	[66])
Deoiled palm kernel waste	1.09	[87]