[Retracted] Adsorption of Crystal Violet Dye from Aqueous Solution using Industrial Pepper Seed Spent: Equilibrium, Thermodynamic, and Kinetic Studies

Table 1

The adsorption capacity of different materials derived from agricultural biomass.

Crystal violet	(mg g^-1)	References
Coir pith	2.56	[30]
Sepiolite	2.69	[31]
Sugarcane sawdust	3.80	[32]
Neem wood sawdust	3.80	[32]
Calotropis procera leaves	4.14	[33]
Sagun sawdust powder	4.25	[34]
Sugarcane fiber strands	10.44	[35]
Citrullus lanatus rind	10.54	[36]
Jalshakti polymer material	12.90	[37]
Orange fruit peelings	14.30	[38]
Apple wood	19.80	[39]
Bagasse fly ash	26.25	[40]
Carbon jute fiber	27.99	[41]
Powder of coniferous pinus bark	32.78	[42]
Sawdust powder	37.83	[35]
Bran of rice	42.25	[43]
Powder of jackfruit leaf	43.39	[44]
Treated ginger waste	64.90	[45]
Bran of wheat	80.37	[46]
Skin almond waste	85.47	[47]
Male flower activated carbon of coconut tree	85.84	[18]
Pepper seed spent	87.26	This study