Pseudo-first-order and pseudo-second-order parameters for the adsorption of tetracycline on biochar.

Biochar	Pseudo-first-order			Pseudo-second-order
	k 1 (h−1)	q e (mg g−1)	R 2	k 2 (g mg−1 h−1)	q e (mg g−1)	R 2
R400	0.081	3.266	0.877	0.069	7.001	0.998
R600	0.069	4.441	0.847	0.049	9.898	0.998
M400	0.110	3.507	0.789	0.065	4.930	0.995
M600	0.092	3.485	0.959	0.080	6.077	0.998