Removal of Congo Red by Silver Carp (Hypophthalmichthys molitrix) Fish Bone Powder: Kinetics, Equilibrium, and Thermodynamic Study

Table 1

Kinetic parameters for the adsorption of CR onto FBP surface.

Cin (mg·L^−1)	Pseudo-second-order model					Intraparticle diffusion model		Bangham’s model
	qe.cal (mg·g^−1)	qe.exp (mg·g^−1)	k2 (mg·g^−1·min^−1)	R^2	SSE	kid2 (mg·g^−1·min^−1/2)	I	k0	σ	R^2
50	85.47	82.43	0.0253	0.9999	0.1490	4.04	52.82	0.3994	0.0314	0.9644
100	185.13	181.02	0.0456	1	0.0091	8.41	118.10	0.4562	0.0411	0.8565
200	384.61	383.42	0.0112	1	0.2369	17.56	242.09	0.4895	0.0419	0.7802
300	588.23	583.71	0.3612	1	0.0061	26.76	373.75	0.5671	0.0116	0.7588