Table 5.

Pseudo-first-order and pseudo-second-order kinetic parameters for the adsorption of Acid Red 27 (50 mg L⁻¹) on hybrid PAni-ACC composites synthesized at different electropolymerization times. (t: min; q_e: mg·g⁻¹; .k₁: min⁻¹; k₂: g·mg⁻¹·min⁻¹; r₀: mg·g⁻¹·min⁻¹).

t	qe,exp	PFO				PSO
		k1 × 103	qe,cal	R 2	ARE	k2 × 105	qe,cal	r 0	R 2	ARE
0	63.9	1.05	60.5	0.991	0.27	2.24	71.2	0.113	0.997	0.07
10	57.6	2.20	48.3	0.994	0.17	6.53	63.1	0.260	0.999	0.05
20	58.1	2.29	47.3	0.990	0.18	7.96	62.6	0.312	0.999	0.06
40	57.5	3.29	52.7	0.996	0.13	8.89	61.9	0.340	0.999	0.07
120	24.5	1.05	16.8	0.919	0.23	1.53	25.8	0.102	0.995	0.08