The parameters for the kinetic models of TC and LEV adsorbed to modified biochars.

Model	Parameters	IP–LEV	IP–TC	PI–LEV	PI–TC
Pseudo-first-order	q e (mmol g−1)	0.0964	0.1572	0.5451	0.2494
	k 1 (h−1)	0.2081	0.1613	5.576	2.822
	R 2	0.8991	0.9865	0.9492	0.9050
Pseudo-second-order	q e (mmol g−1)	0.1119	0.1948	0.5686	0.2620
	k 2 (g (mmol h)−1)	2.439	0.870	15.878	15.50
	R 2	0.90417	0.9909	0.9577	0.9175
Intra-particle diffusion	k i (mmol h0.5 g−1)	0.01957	0.03382	0.04312	0.02992
	C	0.01230	7.102 × 10−4	0.4010	0.1405
	R 2	0.9871	0.9926	0.5687	0.8254