Valorization of Agroindustrial Wastes as Biosorbent for the Removal of Textile Dyes from Aqueous Solutions

Table 4

Freundlich model parameters.

Dye	Brewer’s spent grains				Orange peel
	𝑘𝐹 (mg g^−1)(mg L^−1)^−1/n	𝑁	𝑅^2	∑𝑒^2	𝑘𝐹 (mg g^−1)(mg L^−1)^−1/n	𝑛	𝑅^2	∑𝑒^2
BB41	5.54±0.70	3.51±0.28	0.962	11.4	15.72±3.06	2.50±0.25	0.951	625.9
RB5	1.46±0.26	2.42±0.19	0.967	4.6	0.21±0.06	1.31±0.09	0.980	7.0
AB1	3.67±0.43	3.77±0.30	0.962	3.4	3.08±1.39	2.42±0.48	0.822	130.3