Adsorption of Crystal Violet onto an Agricultural Waste Residue: Kinetics, Isotherm, Thermodynamics, and Mechanism of Adsorption

Table 1

Adsorption capacities of some natural adsorbents for dye removal.

Adsorbents	Dye	Adsorption capacities (mg g^−1)	References
Neem bark	Malachite green	0.36	[12]
Tamarind shell	Congo red	10.48	[13]
Grape fruit peel	Reactive blue 19	12.53	[14]
Peanut hull	Sunset yellow	13.99	[15]
Coir pith	Acid violet	1.6	[16]
Banana pith	Acid brilliant blue	4.42	[17]
Orange peel	Acid violet 17	19.88	[18]
Banana peel	Congo red	18.2	[19]
Corncob	Dye mixture	4.6	[20]
Potato peel	Methylene blue	33.55	[21]
Yellow passion fruit	Methylene blue	16.00	[22]