Adsorption of Azo Dye Acid Red 73 onto Rice Wine Lees: Adsorption Kinetics and Isotherms

Table 3

Kinetic parameters for the adsorption of acid red 73 on the rice wine lees.

Rice wine lees (g·L^−1)	qe (mg·g^−1)	Pseudo-first-order model		Pseudo-second-order model		Intraparticle diffusion model
		R^2	K1 (g·mg^−1·min^−1)	R^2	K2 (g·mg^−1·min^−1)	R^2	Kid (g·mg^−1·min^−1)
10	0.927	0.997	−0.010	0.994	0.795	0.981	0.057
13	1.096	0.984	−0.019	0.940	1.018	0.888	0.064
16	1.032	0.977	−0.021	0.964	0.846	0.928	0.076
18	1.068	0.997	−0.027	0.971	1.041	0.920	0.083