Adsorption of Dye by Waste Black Tea Powder: Parameters, Kinetic, Equilibrium, and Thermodynamic Studies

Table 2

Isotherm fittings for MB adsorption onto waste black tea powder.

Temperature (K)	Langmuir				Freundlich			Temkin			D–R
	Qexp (mg·g^−1)	Qmax (mg·g^−1)	RL (L·mg^−1)	R^2	n	Kf (mg·g^−1)	R^2	AT (L·g^−1)	BT (KJ·mol^−1)	R^2	QD-R (mg·g^−1)	R^2
298	302.63	312.50	0.01–0.25	0.99	3.69	51.29	0.99	10.98	82.91	0.91	194.40	0.71