Table 5.

the parameter of Langmuir, Freundlich, Pseudo-1st-Order Model and Pseudo-2nd-Order Model.

Langmuir	qmax (mg/g)	KL	RL	R2
Amoxicillin	704.22	0.013	0.939	0.992
Ciprofloxacin	598.80	0.013	0.937	0.996
Carbamazepine	606.06	0.019	0.915	0.995
Diclofenac	704.21	0.017	0.923	0.992
Freundlich	1/n	Kf	R2
Amoxicillin	0.78	12.38	0.984
Ciprofloxacin	0.78	10.93	0.991
Carbamazepine	0.80	13.20	0.975
Diclofenac	0.79	14.58	0.988

Pseudo-1st-order model	qe (mg/g)	K1	R2
Amoxicillin	13.08	1.8E−05	0.995
Ciprofloxacin	4.59	1.2E−05	0.995
Carbamazepine	2.91	1.3E−05	0.984
Diclofenac	6.69	1.2E−05	0.991

Pseudo-2nd-order model	qe (mg/g)	qe2	K2	R2
Amoxicillin	1.7E+02	3.0E+04	2.8E−04	0.899
Ciprofloxacin	2.0E+02	4.0E+04	3.7E−04	0.913
Carbamazepine	1.6E+02	2.5E+04	1.0E−03	0.918
Diclofenac	2.5E+02	6.2E+04	5.5E−04	0.982