Removal of Azo Dyes (Violet B and Violet 5R) from Aqueous Solution Using New Activated Carbon Developed from Orange Peel

Table 4

Comparison of maximum adsorption capacities of orange peel with different dyes.

Name of pollutant	Maximum adsorption (mg L^−1)	Reference	Name of pollutant	Maximum adsorption (mg L^−1)	Reference
Direct blue-86	33.78	[24]	Methyl violet	11.5	[28]
Methylene blue	18.6	[28]	Amido black	7.9	[28]
Rhodamine B	14.3, 3.23	[29, 30]	Direct red 80	21.05	[31, 32]
Congo red 14.0	14.0, 22.4	[29, 30]	Direct red 23	10.72	[31, 32]
Acid violet 17	19.88	[28, 30]	Violet B	49.2	This study
			Violet 5R	87.26	This study