The rate constants of pseudo-first-order kinetic

Dye	qe,exp. (mg/g)	Pseudo-first-order kinetic model			Pseudo-second-order kinetic model
Dye	qe,exp. (mg/g)	k₁ (min^-1)	q_e,cal. (mg/g)	R²	k₂ (g/mg/min)	q_e,cal. (mg/g)	R²
RR-2	2.33	0.0009	2.14	0.9914	0.0009	2.45	0.9769
RB-4	3.27	0.0021	3.26	0.9731	0.0006	3.95	0.9926

Table 4: The rate constants of pseudo-first-order kinetic model and pseudosecond- order kinetic model and correlation constants for RR-2 and RB-4 (C₀= 100 mg/L; C_A= 20 g/L; particle size: 355-500 µm; initial pH∼7; N= 100 rpm; T= 25^°C, contact time: 48 h).

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