Table 2.

The calculated kinetic parameters for pseudo-first-order and pseudo-second-order models on atrazine with sulfite/iodide/UV process at different concentrations.

Atrazine concentration (mg/L)	Pseudo-first-order model			EEO (kWh/m3)	Pseudo- second order model
	Equation	${\text{k}}_{\text{obs}}({\text{min}}^{-1})$	${\text{R}}^2$		Equation	$\text{K}$ $(\text{L}/{\text{mg}}^{-1}{\text{min}}^{-1})$	${\text{R}}^2$
2	y = 0.0647x + 0.4119	0.0647	0.9631	47.48068	y = 0.0691x + 0.1866	0.5485	0.9818
5	$\text{y=0.0648x+0.0273}$	0.0648	0.9355	47.4074	$\text{y=0.0557x+0.6388}$	$\text{0.14}$	$\text{0.8929}$
10	y = 0.0961x + 0.1866	0.0961	0.9818	31.9667	y = 0.5485x-5.2159	0.1311	0.8337